diff --git a/lang/qt/src/Makefile.am b/lang/qt/src/Makefile.am
index 3a543b27..28312541 100644
--- a/lang/qt/src/Makefile.am
+++ b/lang/qt/src/Makefile.am
@@ -326,7 +326,7 @@ camelcaseinclude_HEADERS = $(camelcase_headers)
 nodist_qgpgmeinclude_HEADERS = qgpgme_version.h
 
 if WANT_QT5
-AM_CPPFLAGS = -I$(top_srcdir)/lang/cpp/src -I$(top_builddir)/src \
+AM_CPPFLAGS = -I$(top_builddir)/lang/cpp/src -I$(top_builddir)/src \
               @GPGME_QT5_CFLAGS@ @GPG_ERROR_CFLAGS@ @LIBASSUAN_CFLAGS@ \
               -DBUILDING_QGPGME -Wsuggest-override \
               -Wzero-as-null-pointer-constant
@@ -339,7 +339,7 @@ libqgpgme_la_LDFLAGS = -no-undefined -version-info \
                        @LIBQGPGME_LT_CURRENT@:@LIBQGPGME_LT_REVISION@:@LIBQGPGME_LT_AGE@
 endif
 if WANT_QT6
-AM_CPPFLAGS = -I$(top_srcdir)/lang/cpp/src -I$(top_builddir)/src \
+AM_CPPFLAGS = -I$(top_builddir)/lang/cpp/src -I$(top_builddir)/src \
               @GPGME_QT6_CFLAGS@ @GPG_ERROR_CFLAGS@ @LIBASSUAN_CFLAGS@ \
               -DBUILDING_QGPGME -Wsuggest-override \
               -Wzero-as-null-pointer-constant
diff --git a/lang/qt/src/changeexpiryjob.cpp b/lang/qt/src/changeexpiryjob.cpp
index 96d02167..333fbabe 100644
--- a/lang/qt/src/changeexpiryjob.cpp
+++ b/lang/qt/src/changeexpiryjob.cpp
@@ -38,7 +38,7 @@
 #include "changeexpiryjob.h"
 #include "changeexpiryjob_p.h"
 
-#include <context.h>
+#include <gpgme++/context.h>
 
 using namespace GpgME;
 using namespace QGpgME;
diff --git a/lang/qt/src/changeexpiryjob.h b/lang/qt/src/changeexpiryjob.h
index 0c5e1b2b..abec51ea 100644
--- a/lang/qt/src/changeexpiryjob.h
+++ b/lang/qt/src/changeexpiryjob.h
@@ -37,11 +37,7 @@
 
 #include "job.h"
 
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
-# include <gpgme++/key.h>
-#endif
+#include <gpgme++/key.h>
 
 #include <vector>
 
diff --git a/lang/qt/src/changeownertrustjob.h b/lang/qt/src/changeownertrustjob.h
index 42a806a8..6e4613ee 100644
--- a/lang/qt/src/changeownertrustjob.h
+++ b/lang/qt/src/changeownertrustjob.h
@@ -37,11 +37,7 @@
 
 #include "job.h"
 
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
-# include <gpgme++/key.h>
-#endif
+#include <gpgme++/key.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/dataprovider.cpp b/lang/qt/src/dataprovider.cpp
index dc93e289..e376ca8d 100644
--- a/lang/qt/src/dataprovider.cpp
+++ b/lang/qt/src/dataprovider.cpp
@@ -28,7 +28,7 @@
 
 #include <dataprovider.h>
 
-#include <error.h>
+#include <gpgme++/error.h>
 
 #include <QIODevice>
 #include <QProcess>
diff --git a/lang/qt/src/dataprovider.h b/lang/qt/src/dataprovider.h
index 6162d2b8..c0bd361b 100644
--- a/lang/qt/src/dataprovider.h
+++ b/lang/qt/src/dataprovider.h
@@ -26,11 +26,7 @@
 
 #include "qgpgme_export.h"
 
-#ifdef BUILDING_QGPGME
-#include <interfaces/dataprovider.h>
-#else
 #include <gpgme++/interfaces/dataprovider.h>
-#endif
 
 #include <memory>
 
diff --git a/lang/qt/src/debug.cpp b/lang/qt/src/debug.cpp
index 2f6d200b..03244dc6 100644
--- a/lang/qt/src/debug.cpp
+++ b/lang/qt/src/debug.cpp
@@ -35,7 +35,7 @@
  #include "config.h"
 #endif
 
-#include "error.h"
+#include <gpgme++/error.h>
 #include "debug.h"
 
 #include <QDebug>
diff --git a/lang/qt/src/decryptverifyarchivejob.cpp b/lang/qt/src/decryptverifyarchivejob.cpp
index 76c1721a..b1699c3d 100644
--- a/lang/qt/src/decryptverifyarchivejob.cpp
+++ b/lang/qt/src/decryptverifyarchivejob.cpp
@@ -38,7 +38,7 @@
 #include "decryptverifyarchivejob.h"
 #include "decryptverifyarchivejob_p.h"
 
-#include <engineinfo.h>
+#include <gpgme++/engineinfo.h>
 
 using namespace QGpgME;
 
diff --git a/lang/qt/src/decryptverifyarchivejob.h b/lang/qt/src/decryptverifyarchivejob.h
index 6d87dd36..f80170c5 100644
--- a/lang/qt/src/decryptverifyarchivejob.h
+++ b/lang/qt/src/decryptverifyarchivejob.h
@@ -36,11 +36,7 @@
 
 #include "job.h"
 
-#ifdef BUILDING_QGPGME
-# include "context.h"
-#else
-# include <gpgme++/context.h>
-#endif
+#include <gpgme++/context.h>
 
 namespace GpgME
 {
diff --git a/lang/qt/src/encryptarchivejob.cpp b/lang/qt/src/encryptarchivejob.cpp
index aa51bcf3..f4cf288f 100644
--- a/lang/qt/src/encryptarchivejob.cpp
+++ b/lang/qt/src/encryptarchivejob.cpp
@@ -38,7 +38,7 @@
 #include "encryptarchivejob.h"
 #include "encryptarchivejob_p.h"
 
-#include <engineinfo.h>
+#include <gpgme++/engineinfo.h>
 
 using namespace QGpgME;
 
diff --git a/lang/qt/src/encryptarchivejob.h b/lang/qt/src/encryptarchivejob.h
index 66d45619..bba8acb6 100644
--- a/lang/qt/src/encryptarchivejob.h
+++ b/lang/qt/src/encryptarchivejob.h
@@ -36,11 +36,7 @@
 
 #include "job.h"
 
-#ifdef BUILDING_QGPGME
-# include "context.h"
-#else
-# include <gpgme++/context.h>
-#endif
+#include <gpgme++/context.h>
 
 namespace GpgME
 {
diff --git a/lang/qt/src/encryptjob.h b/lang/qt/src/encryptjob.h
index 48b36598..dde9d6e8 100644
--- a/lang/qt/src/encryptjob.h
+++ b/lang/qt/src/encryptjob.h
@@ -38,16 +38,12 @@
 #define __KLEO_ENCRYPTJOB_H__
 
 #include "job.h"
-#include "data.h"
+#include <gpgme++/data.h>
 
 #include <memory>
 #include <vector>
 
-#ifdef BUILDING_QGPGME
-# include "context.h"
-#else
-# include <gpgme++/context.h>
-#endif
+#include <gpgme++/context.h>
 
 class QByteArray;
 class QIODevice;
diff --git a/lang/qt/src/encryptjob_p.h b/lang/qt/src/encryptjob_p.h
index b92d784e..95126e13 100644
--- a/lang/qt/src/encryptjob_p.h
+++ b/lang/qt/src/encryptjob_p.h
@@ -36,8 +36,8 @@
 
 #include "job_p.h"
 
-#include <data.h>
-#include <key.h>
+#include <gpgme++/data.h>
+#include <gpgme++/key.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/filelistdataprovider.cpp b/lang/qt/src/filelistdataprovider.cpp
index 1aa0f7f2..004854ef 100644
--- a/lang/qt/src/filelistdataprovider.cpp
+++ b/lang/qt/src/filelistdataprovider.cpp
@@ -41,7 +41,7 @@
 
 #include <QString>
 
-#include <error.h>
+#include <gpgme++/error.h>
 
 #include <numeric>
 
diff --git a/lang/qt/src/filelistdataprovider.h b/lang/qt/src/filelistdataprovider.h
index 25e52e41..60bb0548 100644
--- a/lang/qt/src/filelistdataprovider.h
+++ b/lang/qt/src/filelistdataprovider.h
@@ -36,11 +36,7 @@
 
 #include "qgpgme_export.h"
 
-#ifdef BUILDING_QGPGME
-#include <interfaces/dataprovider.h>
-#else
 #include <gpgme++/interfaces/dataprovider.h>
-#endif
 
 #include <memory>
 #include <vector>
diff --git a/lang/qt/src/hierarchicalkeylistjob.h b/lang/qt/src/hierarchicalkeylistjob.h
index 362f036c..431ff712 100644
--- a/lang/qt/src/hierarchicalkeylistjob.h
+++ b/lang/qt/src/hierarchicalkeylistjob.h
@@ -39,11 +39,7 @@
 #include "keylistjob.h"
 #include "cryptobackend.h"
 
-#ifdef BUILDING_QGPGME
-# include "keylistresult.h"
-#else
 #include <gpgme++/keylistresult.h>
-#endif
 
 #include <QPointer>
 
diff --git a/lang/qt/src/importjob.cpp b/lang/qt/src/importjob.cpp
index ee5318a4..4cb5c01b 100644
--- a/lang/qt/src/importjob.cpp
+++ b/lang/qt/src/importjob.cpp
@@ -38,7 +38,7 @@
 #include "importjob.h"
 #include "importjob_p.h"
 
-#include <context.h>
+#include <gpgme++/context.h>
 
 using namespace GpgME;
 using namespace QGpgME;
diff --git a/lang/qt/src/importjob.h b/lang/qt/src/importjob.h
index 0d677bed..459fd885 100644
--- a/lang/qt/src/importjob.h
+++ b/lang/qt/src/importjob.h
@@ -40,11 +40,7 @@
 #include "abstractimportjob.h"
 #include "qgpgme_export.h"
 
-#ifdef BUILDING_QGPGME
-# include <key.h>
-#else
-# include <gpgme++/key.h>
-#endif
+#include <gpgme++/key.h>
 
 namespace GpgME
 {
diff --git a/lang/qt/src/importjob_p.h b/lang/qt/src/importjob_p.h
index 9f0a35ae..da050c99 100644
--- a/lang/qt/src/importjob_p.h
+++ b/lang/qt/src/importjob_p.h
@@ -36,7 +36,7 @@
 
 #include "job_p.h"
 
-#include <key.h>
+#include <gpgme++/key.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/job.h b/lang/qt/src/job.h
index b5a6bcf4..56da33d7 100644
--- a/lang/qt/src/job.h
+++ b/lang/qt/src/job.h
@@ -41,11 +41,7 @@
 #include <QString>
 #include <QMap>
 
-#ifdef BUILDING_QGPGME
-# include "error.h"
-#else
-# include <gpgme++/error.h>
-#endif
+#include <gpgme++/error.h>
 
 class QWidget;
 
diff --git a/lang/qt/src/keyformailboxjob.h b/lang/qt/src/keyformailboxjob.h
index 5e089074..33027c0c 100644
--- a/lang/qt/src/keyformailboxjob.h
+++ b/lang/qt/src/keyformailboxjob.h
@@ -37,11 +37,7 @@
 
 #include "job.h"
 
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
-# include <gpgme++/key.h>
-#endif
+#include <gpgme++/key.h>
 
 namespace GpgME
 {
diff --git a/lang/qt/src/keylistjob.h b/lang/qt/src/keylistjob.h
index ace9fbe0..7a4bd712 100644
--- a/lang/qt/src/keylistjob.h
+++ b/lang/qt/src/keylistjob.h
@@ -38,11 +38,7 @@
 #include "job.h"
 #include "qgpgme_export.h"
 
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
-# include <gpgme++/key.h>
-#endif
+#include <gpgme++/key.h>
 
 #include <QtCore/QStringList>
 
diff --git a/lang/qt/src/listallkeysjob.h b/lang/qt/src/listallkeysjob.h
index 561293ca..fa2f53a9 100644
--- a/lang/qt/src/listallkeysjob.h
+++ b/lang/qt/src/listallkeysjob.h
@@ -40,11 +40,7 @@
 #include "job.h"
 #include "qgpgme_export.h"
 
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
-# include <gpgme++/key.h>
-#endif
+#include <gpgme++/key.h>
 
 #include <vector>
 
diff --git a/lang/qt/src/multideletejob.cpp b/lang/qt/src/multideletejob.cpp
index d660a931..1c1e15d0 100644
--- a/lang/qt/src/multideletejob.cpp
+++ b/lang/qt/src/multideletejob.cpp
@@ -38,9 +38,9 @@
 #include "protocol.h"
 #include "deletejob.h"
 
-#include <key.h>
-#include <context.h>
-#include <data.h>
+#include <gpgme++/key.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
 
 #include <iterator>
 
diff --git a/lang/qt/src/qgpgmeaddexistingsubkeyjob.cpp b/lang/qt/src/qgpgmeaddexistingsubkeyjob.cpp
index dc0d0f01..7750d36b 100644
--- a/lang/qt/src/qgpgmeaddexistingsubkeyjob.cpp
+++ b/lang/qt/src/qgpgmeaddexistingsubkeyjob.cpp
@@ -41,10 +41,10 @@
 
 #include <QDateTime>
 
-#include "context.h"
-#include "data.h"
-#include "gpgaddexistingsubkeyeditinteractor.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/gpgaddexistingsubkeyeditinteractor.h>
+#include <gpgme++/key.h>
 
 #include <gpg-error.h>
 
diff --git a/lang/qt/src/qgpgmeadduseridjob.cpp b/lang/qt/src/qgpgmeadduseridjob.cpp
index 94894fc2..3dec6581 100644
--- a/lang/qt/src/qgpgmeadduseridjob.cpp
+++ b/lang/qt/src/qgpgmeadduseridjob.cpp
@@ -40,10 +40,10 @@
 
 #include "dataprovider.h"
 
-#include "context.h"
-#include "data.h"
-#include "gpgadduserideditinteractor.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/gpgadduserideditinteractor.h>
+#include <gpgme++/key.h>
 
 #include <cassert>
 #include <memory>
diff --git a/lang/qt/src/qgpgmebackend.cpp b/lang/qt/src/qgpgmebackend.cpp
index aa96db0d..9cd34006 100644
--- a/lang/qt/src/qgpgmebackend.cpp
+++ b/lang/qt/src/qgpgmebackend.cpp
@@ -40,8 +40,8 @@
 
 #include "qgpgmegpgcardjob.h"
 
-#include "error.h"
-#include "engineinfo.h"
+#include <gpgme++/error.h>
+#include <gpgme++/engineinfo.h>
 
 #include "protocol_p.h"
 
diff --git a/lang/qt/src/qgpgmechangeexpiryjob.cpp b/lang/qt/src/qgpgmechangeexpiryjob.cpp
index c6cb3f85..7f98a943 100644
--- a/lang/qt/src/qgpgmechangeexpiryjob.cpp
+++ b/lang/qt/src/qgpgmechangeexpiryjob.cpp
@@ -42,8 +42,8 @@
 
 #include "changeexpiryjob_p.h"
 
-#include "context.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/key.h>
 
 #include <QDateTime>
 
diff --git a/lang/qt/src/qgpgmechangeownertrustjob.cpp b/lang/qt/src/qgpgmechangeownertrustjob.cpp
index 0c67e98a..07febab6 100644
--- a/lang/qt/src/qgpgmechangeownertrustjob.cpp
+++ b/lang/qt/src/qgpgmechangeownertrustjob.cpp
@@ -40,10 +40,10 @@
 
 #include "dataprovider.h"
 
-#include "context.h"
-#include "data.h"
-#include "gpgsetownertrusteditinteractor.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/gpgsetownertrusteditinteractor.h>
+#include <gpgme++/key.h>
 
 #include <cassert>
 #include <memory>
diff --git a/lang/qt/src/qgpgmechangepasswdjob.cpp b/lang/qt/src/qgpgmechangepasswdjob.cpp
index 3465c6fa..0607b6d3 100644
--- a/lang/qt/src/qgpgmechangepasswdjob.cpp
+++ b/lang/qt/src/qgpgmechangepasswdjob.cpp
@@ -40,9 +40,9 @@
 
 #include "dataprovider.h"
 
-#include "context.h"
-#include "data.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/key.h>
 
 #include <cassert>
 #include <memory>
diff --git a/lang/qt/src/qgpgmedecryptjob.cpp b/lang/qt/src/qgpgmedecryptjob.cpp
index 6d7d4f17..95240a49 100644
--- a/lang/qt/src/qgpgmedecryptjob.cpp
+++ b/lang/qt/src/qgpgmedecryptjob.cpp
@@ -40,9 +40,9 @@
 
 #include "dataprovider.h"
 
-#include "context.h"
-#include "decryptionresult.h"
-#include "data.h"
+#include <gpgme++/context.h>
+#include <gpgme++/decryptionresult.h>
+#include <gpgme++/data.h>
 
 #include <QBuffer>
 
diff --git a/lang/qt/src/qgpgmedecryptjob.h b/lang/qt/src/qgpgmedecryptjob.h
index 29ac5d44..ae489734 100644
--- a/lang/qt/src/qgpgmedecryptjob.h
+++ b/lang/qt/src/qgpgmedecryptjob.h
@@ -39,11 +39,7 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "decryptionresult.h"
-#else
 #include <gpgme++/decryptionresult.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmedecryptverifyarchivejob.cpp b/lang/qt/src/qgpgmedecryptverifyarchivejob.cpp
index 1d642b0f..eda4bfd8 100644
--- a/lang/qt/src/qgpgmedecryptverifyarchivejob.cpp
+++ b/lang/qt/src/qgpgmedecryptverifyarchivejob.cpp
@@ -45,7 +45,7 @@
 
 #include <QFile>
 
-#include <data.h>
+#include <gpgme++/data.h>
 
 using namespace QGpgME;
 using namespace GpgME;
diff --git a/lang/qt/src/qgpgmedecryptverifyarchivejob.h b/lang/qt/src/qgpgmedecryptverifyarchivejob.h
index b43be070..50ca0839 100644
--- a/lang/qt/src/qgpgmedecryptverifyarchivejob.h
+++ b/lang/qt/src/qgpgmedecryptverifyarchivejob.h
@@ -38,8 +38,8 @@
 
 #include "threadedjobmixin.h"
 
-#include <decryptionresult.h>
-#include <verificationresult.h>
+#include <gpgme++/decryptionresult.h>
+#include <gpgme++/verificationresult.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmedecryptverifyjob.cpp b/lang/qt/src/qgpgmedecryptverifyjob.cpp
index 2a28389e..2cd857b6 100644
--- a/lang/qt/src/qgpgmedecryptverifyjob.cpp
+++ b/lang/qt/src/qgpgmedecryptverifyjob.cpp
@@ -42,10 +42,10 @@
 #include "decryptverifyjob_p.h"
 #include "util.h"
 
-#include <context.h>
-#include <decryptionresult.h>
-#include <verificationresult.h>
-#include <data.h>
+#include <gpgme++/context.h>
+#include <gpgme++/decryptionresult.h>
+#include <gpgme++/verificationresult.h>
+#include <gpgme++/data.h>
 
 #include <QDebug>
 #include "qgpgme_debug.h"
diff --git a/lang/qt/src/qgpgmedecryptverifyjob.h b/lang/qt/src/qgpgmedecryptverifyjob.h
index 14258ae2..1a1721df 100644
--- a/lang/qt/src/qgpgmedecryptverifyjob.h
+++ b/lang/qt/src/qgpgmedecryptverifyjob.h
@@ -39,16 +39,8 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "decryptionresult.h"
-#else
 #include <gpgme++/decryptionresult.h>
-#endif
-#ifdef BUILDING_QGPGME
-# include "verificationresult.h"
-#else
 #include <gpgme++/verificationresult.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmedeletejob.cpp b/lang/qt/src/qgpgmedeletejob.cpp
index dffcb0cc..16f822b5 100644
--- a/lang/qt/src/qgpgmedeletejob.cpp
+++ b/lang/qt/src/qgpgmedeletejob.cpp
@@ -38,8 +38,8 @@
 
 #include "qgpgmedeletejob.h"
 
-#include "context.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/key.h>
 
 #include <cassert>
 
diff --git a/lang/qt/src/qgpgmedownloadjob.cpp b/lang/qt/src/qgpgmedownloadjob.cpp
index b5786a12..d7c608f4 100644
--- a/lang/qt/src/qgpgmedownloadjob.cpp
+++ b/lang/qt/src/qgpgmedownloadjob.cpp
@@ -40,8 +40,8 @@
 
 #include "dataprovider.h"
 
-#include "context.h"
-#include "data.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
 
 #include <QStringList>
 
diff --git a/lang/qt/src/qgpgmeencryptarchivejob.cpp b/lang/qt/src/qgpgmeencryptarchivejob.cpp
index b3586d80..02b9e587 100644
--- a/lang/qt/src/qgpgmeencryptarchivejob.cpp
+++ b/lang/qt/src/qgpgmeencryptarchivejob.cpp
@@ -48,7 +48,7 @@
 
 #include <QFile>
 
-#include <data.h>
+#include <gpgme++/data.h>
 
 using namespace QGpgME;
 using namespace GpgME;
diff --git a/lang/qt/src/qgpgmeencryptarchivejob.h b/lang/qt/src/qgpgmeencryptarchivejob.h
index 64c3b18f..6b818f20 100644
--- a/lang/qt/src/qgpgmeencryptarchivejob.h
+++ b/lang/qt/src/qgpgmeencryptarchivejob.h
@@ -38,7 +38,7 @@
 
 #include "threadedjobmixin.h"
 
-#include <encryptionresult.h>
+#include <gpgme++/encryptionresult.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmeencryptjob.cpp b/lang/qt/src/qgpgmeencryptjob.cpp
index f8c71f6b..c8dd5f1b 100644
--- a/lang/qt/src/qgpgmeencryptjob.cpp
+++ b/lang/qt/src/qgpgmeencryptjob.cpp
@@ -44,9 +44,9 @@
 #include "encryptjob_p.h"
 #include "util.h"
 
-#include <context.h>
-#include <data.h>
-#include <encryptionresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/encryptionresult.h>
 
 #include <QBuffer>
 #include <QFileInfo>
diff --git a/lang/qt/src/qgpgmeencryptjob.h b/lang/qt/src/qgpgmeencryptjob.h
index 3b21b40b..4fcb0c69 100644
--- a/lang/qt/src/qgpgmeencryptjob.h
+++ b/lang/qt/src/qgpgmeencryptjob.h
@@ -39,16 +39,8 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "encryptionresult.h"
-#else
 #include <gpgme++/encryptionresult.h>
-#endif
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
 #include <gpgme++/key.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmeexportjob.cpp b/lang/qt/src/qgpgmeexportjob.cpp
index 2daaf567..239b46b0 100644
--- a/lang/qt/src/qgpgmeexportjob.cpp
+++ b/lang/qt/src/qgpgmeexportjob.cpp
@@ -42,9 +42,9 @@
 
 #include "dataprovider.h"
 
-#include "context.h"
-#include "data.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/key.h>
 
 #include <QStringList>
 
diff --git a/lang/qt/src/qgpgmeimportfromkeyserverjob.cpp b/lang/qt/src/qgpgmeimportfromkeyserverjob.cpp
index f9d47879..e5e06b23 100644
--- a/lang/qt/src/qgpgmeimportfromkeyserverjob.cpp
+++ b/lang/qt/src/qgpgmeimportfromkeyserverjob.cpp
@@ -40,9 +40,9 @@
 
 #include "dataprovider.h"
 
-#include "context.h"
-#include "data.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/key.h>
 
 #include <cassert>
 
diff --git a/lang/qt/src/qgpgmeimportfromkeyserverjob.h b/lang/qt/src/qgpgmeimportfromkeyserverjob.h
index b67ea29c..917863ed 100644
--- a/lang/qt/src/qgpgmeimportfromkeyserverjob.h
+++ b/lang/qt/src/qgpgmeimportfromkeyserverjob.h
@@ -39,11 +39,7 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "importresult.h"
-#else
 #include <gpgme++/importresult.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmeimportjob.cpp b/lang/qt/src/qgpgmeimportjob.cpp
index 848bcacf..a7f2d34f 100644
--- a/lang/qt/src/qgpgmeimportjob.cpp
+++ b/lang/qt/src/qgpgmeimportjob.cpp
@@ -44,9 +44,9 @@
 
 #include "dataprovider.h"
 
-#include <context.h>
-#include <data.h>
-#include <key.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/key.h>
 
 using namespace QGpgME;
 using namespace GpgME;
diff --git a/lang/qt/src/qgpgmeimportjob.h b/lang/qt/src/qgpgmeimportjob.h
index 130d29ce..d36fc359 100644
--- a/lang/qt/src/qgpgmeimportjob.h
+++ b/lang/qt/src/qgpgmeimportjob.h
@@ -41,11 +41,7 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "importresult.h"
-#else
 #include <gpgme++/importresult.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmekeyformailboxjob.h b/lang/qt/src/qgpgmekeyformailboxjob.h
index 8c26691a..0e8cc1dc 100644
--- a/lang/qt/src/qgpgmekeyformailboxjob.h
+++ b/lang/qt/src/qgpgmekeyformailboxjob.h
@@ -39,13 +39,8 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "keylistresult.h"
-# include "key.h"
-#else
-# include <gpgme++/keylistresult.h>
-# include <gpgme++/key.h>
-#endif
+#include <gpgme++/keylistresult.h>
+#include <gpgme++/key.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmekeygenerationjob.cpp b/lang/qt/src/qgpgmekeygenerationjob.cpp
index 7cf4c8c5..ce0b4d40 100644
--- a/lang/qt/src/qgpgmekeygenerationjob.cpp
+++ b/lang/qt/src/qgpgmekeygenerationjob.cpp
@@ -40,8 +40,8 @@
 
 #include "dataprovider.h"
 
-#include "context.h"
-#include "data.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
 
 #include <cassert>
 
diff --git a/lang/qt/src/qgpgmekeygenerationjob.h b/lang/qt/src/qgpgmekeygenerationjob.h
index 31ee003f..35d5c2f4 100644
--- a/lang/qt/src/qgpgmekeygenerationjob.h
+++ b/lang/qt/src/qgpgmekeygenerationjob.h
@@ -39,11 +39,7 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "keygenerationresult.h"
-#else
 #include <gpgme++/keygenerationresult.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmekeylistjob.cpp b/lang/qt/src/qgpgmekeylistjob.cpp
index d3d13119..633cff5b 100644
--- a/lang/qt/src/qgpgmekeylistjob.cpp
+++ b/lang/qt/src/qgpgmekeylistjob.cpp
@@ -38,9 +38,9 @@
 
 #include "qgpgmekeylistjob.h"
 
-#include "key.h"
-#include "context.h"
-#include "keylistresult.h"
+#include <gpgme++/key.h>
+#include <gpgme++/context.h>
+#include <gpgme++/keylistresult.h>
 #include <gpg-error.h>
 
 #include <QStringList>
diff --git a/lang/qt/src/qgpgmekeylistjob.h b/lang/qt/src/qgpgmekeylistjob.h
index eb25afaf..c1199768 100644
--- a/lang/qt/src/qgpgmekeylistjob.h
+++ b/lang/qt/src/qgpgmekeylistjob.h
@@ -39,16 +39,8 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "keylistresult.h"
-#else
 #include <gpgme++/keylistresult.h>
-#endif
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
 #include <gpgme++/key.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmelistallkeysjob.cpp b/lang/qt/src/qgpgmelistallkeysjob.cpp
index cac09233..ab9f1f42 100644
--- a/lang/qt/src/qgpgmelistallkeysjob.cpp
+++ b/lang/qt/src/qgpgmelistallkeysjob.cpp
@@ -43,11 +43,11 @@
 #include "listallkeysjob_p.h"
 
 #include "debug.h"
-#include "key.h"
-#include "context.h"
-#include "engineinfo.h"
-#include "global.h"
-#include "keylistresult.h"
+#include <gpgme++/key.h>
+#include <gpgme++/context.h>
+#include <gpgme++/engineinfo.h>
+#include <gpgme++/global.h>
+#include <gpgme++/keylistresult.h>
 #include "qgpgme_debug.h"
 
 #include <gpg-error.h>
diff --git a/lang/qt/src/qgpgmelistallkeysjob.h b/lang/qt/src/qgpgmelistallkeysjob.h
index 8234a27f..93686a4b 100644
--- a/lang/qt/src/qgpgmelistallkeysjob.h
+++ b/lang/qt/src/qgpgmelistallkeysjob.h
@@ -39,16 +39,8 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "keylistresult.h"
-#else
 #include <gpgme++/keylistresult.h>
-#endif
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
 #include <gpgme++/key.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmenewcryptoconfig.cpp b/lang/qt/src/qgpgmenewcryptoconfig.cpp
index 15d50b4a..0615776b 100644
--- a/lang/qt/src/qgpgmenewcryptoconfig.cpp
+++ b/lang/qt/src/qgpgmenewcryptoconfig.cpp
@@ -45,8 +45,8 @@
 #include <QDir>
 #include <QList>
 
-#include "global.h"
-#include "error.h"
+#include <gpgme++/global.h>
+#include <gpgme++/error.h>
 #include "debug.h"
 
 #include <sstream>
diff --git a/lang/qt/src/qgpgmenewcryptoconfig.h b/lang/qt/src/qgpgmenewcryptoconfig.h
index 7bdf5d3a..05726e37 100644
--- a/lang/qt/src/qgpgmenewcryptoconfig.h
+++ b/lang/qt/src/qgpgmenewcryptoconfig.h
@@ -42,12 +42,7 @@
 #include <QStringList>
 #include <QVariant>
 
-#ifdef BUILDING_QGPGME
-# include "configuration.h"
-#else
-# include <gpgme++/configuration.h>
-#endif
-
+#include <gpgme++/configuration.h>
 
 #include <vector>
 #include <utility>
diff --git a/lang/qt/src/qgpgmequickjob.cpp b/lang/qt/src/qgpgmequickjob.cpp
index 1c6023a4..8da1f9a0 100644
--- a/lang/qt/src/qgpgmequickjob.cpp
+++ b/lang/qt/src/qgpgmequickjob.cpp
@@ -37,8 +37,9 @@
 
 #include "qgpgmequickjob.h"
 
-#include "context.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/key.h>
+
 #include "util.h"
 
 using namespace QGpgME;
diff --git a/lang/qt/src/qgpgmereceivekeysjob.h b/lang/qt/src/qgpgmereceivekeysjob.h
index 51ceefa0..4c6a24be 100644
--- a/lang/qt/src/qgpgmereceivekeysjob.h
+++ b/lang/qt/src/qgpgmereceivekeysjob.h
@@ -38,11 +38,7 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "importresult.h"
-#else
-# include <gpgme++/importresult.h>
-#endif
+#include <gpgme++/importresult.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmerefreshsmimekeysjob.cpp b/lang/qt/src/qgpgmerefreshsmimekeysjob.cpp
index cff115ec..730cef80 100644
--- a/lang/qt/src/qgpgmerefreshsmimekeysjob.cpp
+++ b/lang/qt/src/qgpgmerefreshsmimekeysjob.cpp
@@ -44,8 +44,8 @@
 #include <QDebug>
 #include "qgpgme_debug.h"
 
-#include "context.h"
-#include <key.h>
+#include <gpgme++/context.h>
+#include <gpgme++/key.h>
 
 #include <QByteArray>
 #include <QMetaObject>
diff --git a/lang/qt/src/qgpgmerefreshsmimekeysjob.h b/lang/qt/src/qgpgmerefreshsmimekeysjob.h
index b75bb0e2..f2324581 100644
--- a/lang/qt/src/qgpgmerefreshsmimekeysjob.h
+++ b/lang/qt/src/qgpgmerefreshsmimekeysjob.h
@@ -36,11 +36,8 @@
 #define __QGPGME_QGPGMEREFRESHSMIMEKEYSJOB_H__
 
 #include "refreshkeysjob.h"
-#ifdef BUILDING_QGPGME
-# include "context.h"
-#else
-#include "gpgme++/context.h"
-#endif
+
+#include <gpgme++/context.h>
 
 #include <QStringList>
 #include <QProcess>
diff --git a/lang/qt/src/qgpgmerevokekeyjob.cpp b/lang/qt/src/qgpgmerevokekeyjob.cpp
index 9875b3d3..bf51144d 100644
--- a/lang/qt/src/qgpgmerevokekeyjob.cpp
+++ b/lang/qt/src/qgpgmerevokekeyjob.cpp
@@ -39,10 +39,10 @@
 
 #include "dataprovider.h"
 
-#include <context.h>
-#include <data.h>
-#include <gpgrevokekeyeditinteractor.h>
-#include <key.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/gpgrevokekeyeditinteractor.h>
+#include <gpgme++/key.h>
 
 #include <gpg-error.h>
 
diff --git a/lang/qt/src/qgpgmesetprimaryuseridjob.cpp b/lang/qt/src/qgpgmesetprimaryuseridjob.cpp
index 32da1fc2..a7d603d5 100644
--- a/lang/qt/src/qgpgmesetprimaryuseridjob.cpp
+++ b/lang/qt/src/qgpgmesetprimaryuseridjob.cpp
@@ -39,7 +39,7 @@
 
 #include "util.h"
 
-#include <engineinfo.h>
+#include <gpgme++/engineinfo.h>
 
 using namespace QGpgME;
 using namespace GpgME;
diff --git a/lang/qt/src/qgpgmesignarchivejob.cpp b/lang/qt/src/qgpgmesignarchivejob.cpp
index 4a0e1f7f..4d257284 100644
--- a/lang/qt/src/qgpgmesignarchivejob.cpp
+++ b/lang/qt/src/qgpgmesignarchivejob.cpp
@@ -48,7 +48,7 @@
 
 #include <QFile>
 
-#include <data.h>
+#include <gpgme++/data.h>
 
 using namespace QGpgME;
 using namespace GpgME;
diff --git a/lang/qt/src/qgpgmesignarchivejob.h b/lang/qt/src/qgpgmesignarchivejob.h
index 2618e39a..5755a91c 100644
--- a/lang/qt/src/qgpgmesignarchivejob.h
+++ b/lang/qt/src/qgpgmesignarchivejob.h
@@ -38,7 +38,7 @@
 
 #include "threadedjobmixin.h"
 
-#include <signingresult.h>
+#include <gpgme++/signingresult.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmesignencryptarchivejob.cpp b/lang/qt/src/qgpgmesignencryptarchivejob.cpp
index c156bcba..c3e23b43 100644
--- a/lang/qt/src/qgpgmesignencryptarchivejob.cpp
+++ b/lang/qt/src/qgpgmesignencryptarchivejob.cpp
@@ -48,7 +48,7 @@
 
 #include <QFile>
 
-#include <data.h>
+#include <gpgme++/data.h>
 
 using namespace QGpgME;
 using namespace GpgME;
diff --git a/lang/qt/src/qgpgmesignencryptarchivejob.h b/lang/qt/src/qgpgmesignencryptarchivejob.h
index 80e6da4f..2675b28a 100644
--- a/lang/qt/src/qgpgmesignencryptarchivejob.h
+++ b/lang/qt/src/qgpgmesignencryptarchivejob.h
@@ -38,8 +38,8 @@
 
 #include "threadedjobmixin.h"
 
-#include <encryptionresult.h>
-#include <signingresult.h>
+#include <gpgme++/encryptionresult.h>
+#include <gpgme++/signingresult.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmesignencryptjob.cpp b/lang/qt/src/qgpgmesignencryptjob.cpp
index 8b919d86..8634d91d 100644
--- a/lang/qt/src/qgpgmesignencryptjob.cpp
+++ b/lang/qt/src/qgpgmesignencryptjob.cpp
@@ -44,10 +44,10 @@
 #include "signencryptjob_p.h"
 #include "util.h"
 
-#include <context.h>
-#include <data.h>
-#include <exception.h>
-#include <key.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/exception.h>
+#include <gpgme++/key.h>
 
 #include <QBuffer>
 #include <QFileInfo>
diff --git a/lang/qt/src/qgpgmesignencryptjob.h b/lang/qt/src/qgpgmesignencryptjob.h
index 0d24c120..a0014d2b 100644
--- a/lang/qt/src/qgpgmesignencryptjob.h
+++ b/lang/qt/src/qgpgmesignencryptjob.h
@@ -39,21 +39,9 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "signingresult.h"
-#else
 #include <gpgme++/signingresult.h>
-#endif
-#ifdef BUILDING_QGPGME
-# include "encryptionresult.h"
-#else
 #include <gpgme++/encryptionresult.h>
-#endif
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
 #include <gpgme++/key.h>
-#endif
 
 #include <utility>
 
diff --git a/lang/qt/src/qgpgmesignjob.cpp b/lang/qt/src/qgpgmesignjob.cpp
index 76e60e72..02d45ee0 100644
--- a/lang/qt/src/qgpgmesignjob.cpp
+++ b/lang/qt/src/qgpgmesignjob.cpp
@@ -42,9 +42,9 @@
 #include "signjob_p.h"
 #include "util.h"
 
-#include <context.h>
-#include <data.h>
-#include <signingresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/signingresult.h>
 
 #include <QBuffer>
 #include <QFile>
diff --git a/lang/qt/src/qgpgmesignjob.h b/lang/qt/src/qgpgmesignjob.h
index 59977dba..27d352d0 100644
--- a/lang/qt/src/qgpgmesignjob.h
+++ b/lang/qt/src/qgpgmesignjob.h
@@ -39,16 +39,8 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "signingresult.h"
-#else
 #include <gpgme++/signingresult.h>
-#endif
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
 #include <gpgme++/key.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmesignkeyjob.cpp b/lang/qt/src/qgpgmesignkeyjob.cpp
index 1693a5be..0fdab165 100644
--- a/lang/qt/src/qgpgmesignkeyjob.cpp
+++ b/lang/qt/src/qgpgmesignkeyjob.cpp
@@ -43,9 +43,9 @@
 
 #include "dataprovider.h"
 
-#include "context.h"
-#include "data.h"
-#include "gpgsignkeyeditinteractor.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/gpgsignkeyeditinteractor.h>
 
 #include "qgpgme_debug.h"
 
diff --git a/lang/qt/src/qgpgmetofupolicyjob.cpp b/lang/qt/src/qgpgmetofupolicyjob.cpp
index 91283a8b..f5d43fa1 100644
--- a/lang/qt/src/qgpgmetofupolicyjob.cpp
+++ b/lang/qt/src/qgpgmetofupolicyjob.cpp
@@ -35,9 +35,9 @@
 
 #include "qgpgmetofupolicyjob.h"
 
-#include "context.h"
-#include "key.h"
-#include "tofuinfo.h"
+#include <gpgme++/context.h>
+#include <gpgme++/key.h>
+#include <gpgme++/tofuinfo.h>
 
 
 using namespace QGpgME;
diff --git a/lang/qt/src/qgpgmeverifydetachedjob.cpp b/lang/qt/src/qgpgmeverifydetachedjob.cpp
index 467b94f3..1f6e47cd 100644
--- a/lang/qt/src/qgpgmeverifydetachedjob.cpp
+++ b/lang/qt/src/qgpgmeverifydetachedjob.cpp
@@ -44,9 +44,9 @@
 
 #include <QFile>
 
-#include <context.h>
-#include <data.h>
-#include <verificationresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/verificationresult.h>
 
 #include <cassert>
 
diff --git a/lang/qt/src/qgpgmeverifydetachedjob.h b/lang/qt/src/qgpgmeverifydetachedjob.h
index ec23eccc..36350254 100644
--- a/lang/qt/src/qgpgmeverifydetachedjob.h
+++ b/lang/qt/src/qgpgmeverifydetachedjob.h
@@ -39,11 +39,7 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "verificationresult.h"
-#else
 #include <gpgme++/verificationresult.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmeverifyopaquejob.cpp b/lang/qt/src/qgpgmeverifyopaquejob.cpp
index a3a022de..19e61e37 100644
--- a/lang/qt/src/qgpgmeverifyopaquejob.cpp
+++ b/lang/qt/src/qgpgmeverifyopaquejob.cpp
@@ -42,9 +42,9 @@
 #include "util.h"
 #include "verifyopaquejob_p.h"
 
-#include <context.h>
-#include <data.h>
-#include <verificationresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/verificationresult.h>
 
 #include <QBuffer>
 #include <QFile>
diff --git a/lang/qt/src/qgpgmeverifyopaquejob.h b/lang/qt/src/qgpgmeverifyopaquejob.h
index 27464c6b..b46de8f8 100644
--- a/lang/qt/src/qgpgmeverifyopaquejob.h
+++ b/lang/qt/src/qgpgmeverifyopaquejob.h
@@ -39,11 +39,7 @@
 
 #include "threadedjobmixin.h"
 
-#ifdef BUILDING_QGPGME
-# include "verificationresult.h"
-#else
 #include <gpgme++/verificationresult.h>
-#endif
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmewkdlookupjob.cpp b/lang/qt/src/qgpgmewkdlookupjob.cpp
index 3917d272..25f0a2bf 100644
--- a/lang/qt/src/qgpgmewkdlookupjob.cpp
+++ b/lang/qt/src/qgpgmewkdlookupjob.cpp
@@ -39,9 +39,9 @@
 
 #include "qgpgme_debug.h"
 
-#include <context.h>
-#include <data.h>
-#include <defaultassuantransaction.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/defaultassuantransaction.h>
 
 #include <gpg-error.h>
 
diff --git a/lang/qt/src/qgpgmewkdrefreshjob.cpp b/lang/qt/src/qgpgmewkdrefreshjob.cpp
index f590ed4b..264d9f21 100644
--- a/lang/qt/src/qgpgmewkdrefreshjob.cpp
+++ b/lang/qt/src/qgpgmewkdrefreshjob.cpp
@@ -42,7 +42,7 @@
 #include "qgpgmekeylistjob.h"
 #include "wkdrefreshjob_p.h"
 
-#include <context.h>
+#include <gpgme++/context.h>
 
 #include <memory>
 
diff --git a/lang/qt/src/qgpgmewkdrefreshjob.h b/lang/qt/src/qgpgmewkdrefreshjob.h
index 1b775aed..2a242d65 100644
--- a/lang/qt/src/qgpgmewkdrefreshjob.h
+++ b/lang/qt/src/qgpgmewkdrefreshjob.h
@@ -37,7 +37,7 @@
 #include "threadedjobmixin.h"
 #include "wkdrefreshjob.h"
 
-#include <importresult.h>
+#include <gpgme++/importresult.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/qgpgmewkspublishjob.cpp b/lang/qt/src/qgpgmewkspublishjob.cpp
index 3d00631d..74cf25cc 100644
--- a/lang/qt/src/qgpgmewkspublishjob.cpp
+++ b/lang/qt/src/qgpgmewkspublishjob.cpp
@@ -35,8 +35,9 @@
 
 #include "qgpgmewkspublishjob.h"
 
-#include "context.h"
-#include "key.h"
+#include <gpgme++/context.h>
+#include <gpgme++/key.h>
+
 #include "util.h"
 
 #include <QFileInfo>
diff --git a/lang/qt/src/quickjob.h b/lang/qt/src/quickjob.h
index 2d159bbe..049438d6 100644
--- a/lang/qt/src/quickjob.h
+++ b/lang/qt/src/quickjob.h
@@ -39,11 +39,7 @@
 
 #include <QDateTime>
 
-#ifdef BUILDING_QGPGME
-# include "key.h"
-#else
-# include <gpgme++/key.h>
-#endif
+#include <gpgme++/key.h>
 
 class QString;
 
diff --git a/lang/qt/src/signarchivejob.cpp b/lang/qt/src/signarchivejob.cpp
index 411dbc57..0d898b25 100644
--- a/lang/qt/src/signarchivejob.cpp
+++ b/lang/qt/src/signarchivejob.cpp
@@ -38,7 +38,7 @@
 #include "signarchivejob.h"
 #include "signarchivejob_p.h"
 
-#include <engineinfo.h>
+#include <gpgme++/engineinfo.h>
 
 using namespace QGpgME;
 
diff --git a/lang/qt/src/signarchivejob.h b/lang/qt/src/signarchivejob.h
index 7d1f6513..0b4cdeb4 100644
--- a/lang/qt/src/signarchivejob.h
+++ b/lang/qt/src/signarchivejob.h
@@ -36,11 +36,7 @@
 
 #include "job.h"
 
-#ifdef BUILDING_QGPGME
-# include "context.h"
-#else
-# include <gpgme++/context.h>
-#endif
+#include <gpgme++/context.h>
 
 namespace GpgME
 {
diff --git a/lang/qt/src/signencryptarchivejob.cpp b/lang/qt/src/signencryptarchivejob.cpp
index 429b6bf1..114d6f33 100644
--- a/lang/qt/src/signencryptarchivejob.cpp
+++ b/lang/qt/src/signencryptarchivejob.cpp
@@ -38,7 +38,7 @@
 #include "signencryptarchivejob.h"
 #include "signencryptarchivejob_p.h"
 
-#include <engineinfo.h>
+#include <gpgme++/engineinfo.h>
 
 using namespace QGpgME;
 
diff --git a/lang/qt/src/signencryptarchivejob.h b/lang/qt/src/signencryptarchivejob.h
index fddf3012..c8742aec 100644
--- a/lang/qt/src/signencryptarchivejob.h
+++ b/lang/qt/src/signencryptarchivejob.h
@@ -36,11 +36,7 @@
 
 #include "job.h"
 
-#ifdef BUILDING_QGPGME
-# include "context.h"
-#else
-# include <gpgme++/context.h>
-#endif
+#include <gpgme++/context.h>
 
 namespace GpgME
 {
diff --git a/lang/qt/src/signencryptjob.h b/lang/qt/src/signencryptjob.h
index 54f4aa53..73b8c227 100644
--- a/lang/qt/src/signencryptjob.h
+++ b/lang/qt/src/signencryptjob.h
@@ -40,13 +40,8 @@
 #include "job.h"
 #include "qgpgme_export.h"
 
-#ifdef BUILDING_QGPGME
-# include "global.h"
-# include "context.h"
-#else
-# include <gpgme++/global.h>
-# include <gpgme++/context.h>
-#endif
+#include <gpgme++/global.h>
+#include <gpgme++/context.h>
 
 #include <memory>
 #include <vector>
diff --git a/lang/qt/src/signencryptjob_p.h b/lang/qt/src/signencryptjob_p.h
index 600d752b..8f5c91ec 100644
--- a/lang/qt/src/signencryptjob_p.h
+++ b/lang/qt/src/signencryptjob_p.h
@@ -36,7 +36,7 @@
 
 #include "job_p.h"
 
-#include <key.h>
+#include <gpgme++/key.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/signjob.h b/lang/qt/src/signjob.h
index 273277b5..660a5a32 100644
--- a/lang/qt/src/signjob.h
+++ b/lang/qt/src/signjob.h
@@ -37,12 +37,7 @@
 
 #include "job.h"
 
-#ifdef BUILDING_QGPGME
-# include "global.h"
-#else
-# include <gpgme++/global.h>
-#endif
-
+#include <gpgme++/global.h>
 
 #include <vector>
 #include <memory>
diff --git a/lang/qt/src/signjob_p.h b/lang/qt/src/signjob_p.h
index 75309782..4469c41d 100644
--- a/lang/qt/src/signjob_p.h
+++ b/lang/qt/src/signjob_p.h
@@ -36,7 +36,7 @@
 
 #include "job_p.h"
 
-#include <key.h>
+#include <gpgme++/key.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/src/threadedjobmixin.cpp b/lang/qt/src/threadedjobmixin.cpp
index a1438a7f..c6372c0d 100644
--- a/lang/qt/src/threadedjobmixin.cpp
+++ b/lang/qt/src/threadedjobmixin.cpp
@@ -40,7 +40,7 @@
 
 #include "dataprovider.h"
 
-#include "data.h"
+#include <gpgme++/data.h>
 
 #include <QString>
 #include <QStringList>
diff --git a/lang/qt/src/threadedjobmixin.h b/lang/qt/src/threadedjobmixin.h
index ad07e121..7a18aa4d 100644
--- a/lang/qt/src/threadedjobmixin.h
+++ b/lang/qt/src/threadedjobmixin.h
@@ -41,13 +41,8 @@
 #include <QString>
 #include <QIODevice>
 
-#ifdef BUILDING_QGPGME
-# include "context.h"
-# include "interfaces/progressprovider.h"
-#else
-# include <gpgme++/context.h>
-# include <gpgme++/interfaces/progressprovider.h>
-#endif
+#include <gpgme++/context.h>
+#include <gpgme++/interfaces/progressprovider.h>
 
 #include "job.h"
 
diff --git a/lang/qt/src/tofupolicyjob.h b/lang/qt/src/tofupolicyjob.h
index b3a79c5f..90debaef 100644
--- a/lang/qt/src/tofupolicyjob.h
+++ b/lang/qt/src/tofupolicyjob.h
@@ -35,11 +35,7 @@
 
 #include "qgpgme_export.h"
 
-#ifdef BUILDING_QGPGME
-# include "tofuinfo.h"
-#else
-# include <gpgme++/tofuinfo.h>
-#endif
+#include <gpgme++/tofuinfo.h>
 
 namespace GpgME
 {
diff --git a/lang/qt/src/util.cpp b/lang/qt/src/util.cpp
index 4b437ffb..51ae9589 100644
--- a/lang/qt/src/util.cpp
+++ b/lang/qt/src/util.cpp
@@ -44,7 +44,7 @@
 #include <QFileInfo>
 #include <QRandomGenerator>
 
-#include <key.h>
+#include <gpgme++/key.h>
 
 #include <algorithm>
 #include <functional>
diff --git a/lang/qt/src/wkdlookupresult.cpp b/lang/qt/src/wkdlookupresult.cpp
index c44b7370..ac1a89e9 100644
--- a/lang/qt/src/wkdlookupresult.cpp
+++ b/lang/qt/src/wkdlookupresult.cpp
@@ -37,7 +37,7 @@
 
 #include "wkdlookupresult.h"
 
-#include <data.h>
+#include <gpgme++/data.h>
 
 using namespace QGpgME;
 using namespace GpgME;
diff --git a/lang/qt/src/wkdlookupresult.h b/lang/qt/src/wkdlookupresult.h
index 1e91d055..5696fb6d 100644
--- a/lang/qt/src/wkdlookupresult.h
+++ b/lang/qt/src/wkdlookupresult.h
@@ -36,11 +36,7 @@
 
 #include "qgpgme_export.h"
 
-#ifdef BUILDING_QGPGME
-# include <result.h>
-#else
-# include <gpgme++/result.h>
-#endif
+#include <gpgme++/result.h>
 
 #include <memory>
 
diff --git a/lang/qt/src/wkdrefreshjob_p.h b/lang/qt/src/wkdrefreshjob_p.h
index 60fdfedd..8e729936 100644
--- a/lang/qt/src/wkdrefreshjob_p.h
+++ b/lang/qt/src/wkdrefreshjob_p.h
@@ -36,7 +36,7 @@
 
 #include "job_p.h"
 
-#include <key.h>
+#include <gpgme++/key.h>
 
 namespace QGpgME
 {
diff --git a/lang/qt/tests/Makefile.am b/lang/qt/tests/Makefile.am
index 878e32bd..2072e049 100644
--- a/lang/qt/tests/Makefile.am
+++ b/lang/qt/tests/Makefile.am
@@ -52,7 +52,7 @@ LDADD = ../../cpp/src/libgpgmepp.la ../src/libqgpgme.la \
         ../../../src/libgpgme.la @GPGME_QT5_LIBS@ @GPG_ERROR_LIBS@ \
         @GPGME_QT5TEST_LIBS@ @LDADD_FOR_TESTS_KLUDGE@ -lstdc++
 
-AM_CPPFLAGS = -I$(top_srcdir)/lang/qt/src -I$(top_srcdir)/lang/cpp/src \
+AM_CPPFLAGS = -I$(top_srcdir)/lang/qt/src -I$(top_builddir)/lang/cpp/src \
               -I$(top_builddir)/src \
               @GPG_ERROR_CFLAGS@ @GPGME_QT5_CFLAGS@ @GPG_ERROR_CFLAGS@ \
               @LIBASSUAN_CFLAGS@ @GPGME_QT5TEST_CFLAGS@ -DBUILDING_QGPGME \
@@ -63,7 +63,7 @@ LDADD = ../../cpp/src/libgpgmepp.la ../src/libqgpgmeqt6.la \
         ../../../src/libgpgme.la @GPGME_QT6_LIBS@ @GPG_ERROR_LIBS@ \
         @GPGME_QT6TEST_LIBS@ @LDADD_FOR_TESTS_KLUDGE@ -lstdc++
 
-AM_CPPFLAGS = -I$(top_srcdir)/lang/qt/src -I$(top_srcdir)/lang/cpp/src \
+AM_CPPFLAGS = -I$(top_srcdir)/lang/qt/src -I$(top_builddir)/lang/cpp/src \
               -I$(top_builddir)/src \
               @GPG_ERROR_CFLAGS@ @GPGME_QT6_CFLAGS@ @GPG_ERROR_CFLAGS@ \
               @LIBASSUAN_CFLAGS@ @GPGME_QT6TEST_CFLAGS@ -DBUILDING_QGPGME \
diff --git a/lang/qt/tests/run-decryptverifyarchivejob.cpp b/lang/qt/tests/run-decryptverifyarchivejob.cpp
index 59073458..38cf6b86 100644
--- a/lang/qt/tests/run-decryptverifyarchivejob.cpp
+++ b/lang/qt/tests/run-decryptverifyarchivejob.cpp
@@ -41,9 +41,9 @@
 #include <QCoreApplication>
 #include <QDebug>
 
-#include <context.h>
-#include <decryptionresult.h>
-#include <verificationresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/decryptionresult.h>
+#include <gpgme++/verificationresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/run-decryptverifyjob.cpp b/lang/qt/tests/run-decryptverifyjob.cpp
index 2ddfb1ae..4d2e947c 100644
--- a/lang/qt/tests/run-decryptverifyjob.cpp
+++ b/lang/qt/tests/run-decryptverifyjob.cpp
@@ -43,9 +43,9 @@
 #include <QFile>
 #include <QTimer>
 
-#include <context.h>
-#include <decryptionresult.h>
-#include <verificationresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/decryptionresult.h>
+#include <gpgme++/verificationresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/run-encryptarchivejob.cpp b/lang/qt/tests/run-encryptarchivejob.cpp
index c1d617fb..2d9c09a3 100644
--- a/lang/qt/tests/run-encryptarchivejob.cpp
+++ b/lang/qt/tests/run-encryptarchivejob.cpp
@@ -46,9 +46,9 @@
 #include <QFileInfo>
 #include <QTimer>
 
-#include <context.h>
-#include <encryptionresult.h>
-#include <signingresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/encryptionresult.h>
+#include <gpgme++/signingresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/run-encryptjob.cpp b/lang/qt/tests/run-encryptjob.cpp
index c3d6c9ee..47e6e248 100644
--- a/lang/qt/tests/run-encryptjob.cpp
+++ b/lang/qt/tests/run-encryptjob.cpp
@@ -44,9 +44,9 @@
 #include <QFile>
 #include <QTimer>
 
-#include <context.h>
-#include <encryptionresult.h>
-#include <signingresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/encryptionresult.h>
+#include <gpgme++/signingresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/run-exportjob.cpp b/lang/qt/tests/run-exportjob.cpp
index 40072c85..6cb43c22 100644
--- a/lang/qt/tests/run-exportjob.cpp
+++ b/lang/qt/tests/run-exportjob.cpp
@@ -37,7 +37,7 @@
 #include <exportjob.h>
 #include <protocol.h>
 
-#include <context.h>
+#include <gpgme++/context.h>
 
 #include <QCoreApplication>
 
diff --git a/lang/qt/tests/run-importjob.cpp b/lang/qt/tests/run-importjob.cpp
index 0ae92b09..a0b9ffc1 100644
--- a/lang/qt/tests/run-importjob.cpp
+++ b/lang/qt/tests/run-importjob.cpp
@@ -36,7 +36,7 @@
 
 #include <debug.h>
 #include <importjob.h>
-#include <importresult.h>
+#include <gpgme++/importresult.h>
 #include <protocol.h>
 
 #include <QFile>
diff --git a/lang/qt/tests/run-keyformailboxjob.cpp b/lang/qt/tests/run-keyformailboxjob.cpp
index dc3f9671..8ec0c5b3 100644
--- a/lang/qt/tests/run-keyformailboxjob.cpp
+++ b/lang/qt/tests/run-keyformailboxjob.cpp
@@ -38,8 +38,8 @@
 #include "keylistjob.h"
 #include "protocol.h"
 
-#include "key.h"
-#include "keylistresult.h"
+#include <gpgme++/key.h>
+#include <gpgme++/keylistresult.h>
 
 #include <QDebug>
 
diff --git a/lang/qt/tests/run-receivekeysjob.cpp b/lang/qt/tests/run-receivekeysjob.cpp
index 0dc1575b..6bfe047f 100644
--- a/lang/qt/tests/run-receivekeysjob.cpp
+++ b/lang/qt/tests/run-receivekeysjob.cpp
@@ -34,7 +34,7 @@
  #include "config.h"
 #endif
 
-#include <importresult.h>
+#include <gpgme++/importresult.h>
 #include <protocol.h>
 #include <receivekeysjob.h>
 
diff --git a/lang/qt/tests/run-refreshkeysjob.cpp b/lang/qt/tests/run-refreshkeysjob.cpp
index 940c0c77..e2bf7d1f 100644
--- a/lang/qt/tests/run-refreshkeysjob.cpp
+++ b/lang/qt/tests/run-refreshkeysjob.cpp
@@ -41,8 +41,8 @@
 #include <QCoreApplication>
 #include <QDebug>
 
-#include <context.h>
-#include <importresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/importresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/run-signarchivejob.cpp b/lang/qt/tests/run-signarchivejob.cpp
index c7e1fee7..c832372a 100644
--- a/lang/qt/tests/run-signarchivejob.cpp
+++ b/lang/qt/tests/run-signarchivejob.cpp
@@ -45,8 +45,8 @@
 #include <QFileInfo>
 #include <QTimer>
 
-#include <context.h>
-#include <signingresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/signingresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/run-signjob.cpp b/lang/qt/tests/run-signjob.cpp
index 14b0a406..c7f775ab 100644
--- a/lang/qt/tests/run-signjob.cpp
+++ b/lang/qt/tests/run-signjob.cpp
@@ -43,8 +43,8 @@
 #include <QFile>
 #include <QTimer>
 
-#include <context.h>
-#include <signingresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/signingresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/run-verifydetachedjob.cpp b/lang/qt/tests/run-verifydetachedjob.cpp
index 6ee21109..65274383 100644
--- a/lang/qt/tests/run-verifydetachedjob.cpp
+++ b/lang/qt/tests/run-verifydetachedjob.cpp
@@ -42,8 +42,8 @@
 #include <QDebug>
 #include <QFile>
 
-#include <context.h>
-#include <verificationresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/verificationresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/run-verifyopaquejob.cpp b/lang/qt/tests/run-verifyopaquejob.cpp
index 37466bd3..080c988c 100644
--- a/lang/qt/tests/run-verifyopaquejob.cpp
+++ b/lang/qt/tests/run-verifyopaquejob.cpp
@@ -43,8 +43,8 @@
 #include <QFile>
 #include <QTimer>
 
-#include <context.h>
-#include <verificationresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/verificationresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/run-wkdrefreshjob.cpp b/lang/qt/tests/run-wkdrefreshjob.cpp
index c75718e6..85110b0d 100644
--- a/lang/qt/tests/run-wkdrefreshjob.cpp
+++ b/lang/qt/tests/run-wkdrefreshjob.cpp
@@ -42,8 +42,8 @@
 #include <QCoreApplication>
 #include <QDebug>
 
-#include <context.h>
-#include <importresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/importresult.h>
 
 #include <iostream>
 
diff --git a/lang/qt/tests/t-addexistingsubkey.cpp b/lang/qt/tests/t-addexistingsubkey.cpp
index c0eee57b..df620ddb 100644
--- a/lang/qt/tests/t-addexistingsubkey.cpp
+++ b/lang/qt/tests/t-addexistingsubkey.cpp
@@ -41,9 +41,9 @@
 #include <QSignalSpy>
 #include <QTest>
 
-#include "context.h"
-#include "data.h"
-#include "engineinfo.h"
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
+#include <gpgme++/engineinfo.h>
 
 #include <algorithm>
 
diff --git a/lang/qt/tests/t-changeexpiryjob.cpp b/lang/qt/tests/t-changeexpiryjob.cpp
index 3da74d46..54a54aeb 100644
--- a/lang/qt/tests/t-changeexpiryjob.cpp
+++ b/lang/qt/tests/t-changeexpiryjob.cpp
@@ -37,8 +37,8 @@
 #include "t-support.h"
 
 #include "changeexpiryjob.h"
-#include "context.h"
-#include "engineinfo.h"
+#include <gpgme++/context.h>
+#include <gpgme++/engineinfo.h>
 #include "protocol.h"
 
 #include <QSignalSpy>
diff --git a/lang/qt/tests/t-config.cpp b/lang/qt/tests/t-config.cpp
index b84dbfd4..2f73b9a6 100644
--- a/lang/qt/tests/t-config.cpp
+++ b/lang/qt/tests/t-config.cpp
@@ -39,7 +39,7 @@
 #include "t-support.h"
 #include "protocol.h"
 #include "cryptoconfig.h"
-#include "engineinfo.h"
+#include <gpgme++/engineinfo.h>
 
 #include <unistd.h>
 
diff --git a/lang/qt/tests/t-decryptverify.cpp b/lang/qt/tests/t-decryptverify.cpp
index 5522a604..9df10933 100644
--- a/lang/qt/tests/t-decryptverify.cpp
+++ b/lang/qt/tests/t-decryptverify.cpp
@@ -43,9 +43,9 @@
 #include <QDebug>
 #include <QTest>
 
-#include <decryptionresult.h>
-#include <key.h>
-#include <verificationresult.h>
+#include <gpgme++/decryptionresult.h>
+#include <gpgme++/key.h>
+#include <gpgme++/verificationresult.h>
 
 using namespace QGpgME;
 using namespace GpgME;
diff --git a/lang/qt/tests/t-encrypt.cpp b/lang/qt/tests/t-encrypt.cpp
index 35b9bbf9..aac49a4b 100644
--- a/lang/qt/tests/t-encrypt.cpp
+++ b/lang/qt/tests/t-encrypt.cpp
@@ -41,14 +41,14 @@
 #include "keylistjob.h"
 #include "encryptjob.h"
 #include "signencryptjob.h"
-#include "signingresult.h"
+#include <gpgme++/signingresult.h>
 #include "encryptjob.h"
-#include "encryptionresult.h"
-#include "decryptionresult.h"
+#include <gpgme++/encryptionresult.h>
+#include <gpgme++/decryptionresult.h>
 #include "decryptjob.h"
 #include "qgpgmebackend.h"
-#include "keylistresult.h"
-#include "engineinfo.h"
+#include <gpgme++/keylistresult.h>
+#include <gpgme++/engineinfo.h>
 #include "verifyopaquejob.h"
 #include "t-support.h"
 
diff --git a/lang/qt/tests/t-import.cpp b/lang/qt/tests/t-import.cpp
index 91d5bcbd..8ef968f9 100644
--- a/lang/qt/tests/t-import.cpp
+++ b/lang/qt/tests/t-import.cpp
@@ -36,12 +36,12 @@
 
 #include "t-support.h"
 
-#include "context.h"
-#include "engineinfo.h"
+#include <gpgme++/context.h>
+#include <gpgme++/engineinfo.h>
 #include "protocol.h"
 #include "importjob.h"
 
-#include <importresult.h>
+#include <gpgme++/importresult.h>
 
 #include <QDebug>
 #include <QSignalSpy>
diff --git a/lang/qt/tests/t-keylist.cpp b/lang/qt/tests/t-keylist.cpp
index 80781d2f..75bc4120 100644
--- a/lang/qt/tests/t-keylist.cpp
+++ b/lang/qt/tests/t-keylist.cpp
@@ -41,10 +41,10 @@
 #include "keylistjob.h"
 #include "listallkeysjob.h"
 #include "qgpgmebackend.h"
-#include "keylistresult.h"
+#include <gpgme++/keylistresult.h>
 
-#include "context.h"
-#include "engineinfo.h"
+#include <gpgme++/context.h>
+#include <gpgme++/engineinfo.h>
 
 #include <memory>
 
diff --git a/lang/qt/tests/t-keylocate.cpp b/lang/qt/tests/t-keylocate.cpp
index d3143da2..88062f50 100644
--- a/lang/qt/tests/t-keylocate.cpp
+++ b/lang/qt/tests/t-keylocate.cpp
@@ -39,8 +39,8 @@
 #include <QTemporaryDir>
 #include "keylistjob.h"
 #include "protocol.h"
-#include "keylistresult.h"
-#include "engineinfo.h"
+#include <gpgme++/keylistresult.h>
+#include <gpgme++/engineinfo.h>
 
 #include "t-support.h"
 
diff --git a/lang/qt/tests/t-ownertrust.cpp b/lang/qt/tests/t-ownertrust.cpp
index 31d22479..bb2df08a 100644
--- a/lang/qt/tests/t-ownertrust.cpp
+++ b/lang/qt/tests/t-ownertrust.cpp
@@ -39,7 +39,7 @@
 #include <QSignalSpy>
 #include "keylistjob.h"
 #include "protocol.h"
-#include "keylistresult.h"
+#include <gpgme++/keylistresult.h>
 #include "changeownertrustjob.h"
 
 #include "t-support.h"
diff --git a/lang/qt/tests/t-remarks.cpp b/lang/qt/tests/t-remarks.cpp
index f8aebd31..86a5f6a5 100644
--- a/lang/qt/tests/t-remarks.cpp
+++ b/lang/qt/tests/t-remarks.cpp
@@ -42,8 +42,8 @@
 #include "keylistjob.h"
 #include "protocol.h"
 #include "signkeyjob.h"
-#include "context.h"
-#include "engineinfo.h"
+#include <gpgme++/context.h>
+#include <gpgme++/engineinfo.h>
 
 #include "t-support.h"
 
diff --git a/lang/qt/tests/t-revokekey.cpp b/lang/qt/tests/t-revokekey.cpp
index 83d5e717..4d8b0ca5 100644
--- a/lang/qt/tests/t-revokekey.cpp
+++ b/lang/qt/tests/t-revokekey.cpp
@@ -44,8 +44,8 @@
 #include <QSignalSpy>
 #include <QTest>
 
-#include <context.h>
-#include <data.h>
+#include <gpgme++/context.h>
+#include <gpgme++/data.h>
 
 #include <algorithm>
 
diff --git a/lang/qt/tests/t-setprimaryuserid.cpp b/lang/qt/tests/t-setprimaryuserid.cpp
index c1bd1069..e57d1c6e 100644
--- a/lang/qt/tests/t-setprimaryuserid.cpp
+++ b/lang/qt/tests/t-setprimaryuserid.cpp
@@ -38,9 +38,9 @@
 #include <keylistjob.h>
 #include <protocol.h>
 
-#include <context.h>
-#include <engineinfo.h>
-#include <keylistresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/engineinfo.h>
+#include <gpgme++/keylistresult.h>
 
 using namespace QGpgME;
 using namespace GpgME;
diff --git a/lang/qt/tests/t-support.cpp b/lang/qt/tests/t-support.cpp
index 6db082fd..48ad0cd9 100644
--- a/lang/qt/tests/t-support.cpp
+++ b/lang/qt/tests/t-support.cpp
@@ -48,9 +48,9 @@
 #include <QDir>
 #include <QSignalSpy>
 
-#include "context.h"
-#include "engineinfo.h"
-#include "importresult.h"
+#include <gpgme++/context.h>
+#include <gpgme++/engineinfo.h>
+#include <gpgme++/importresult.h>
 
 using namespace GpgME;
 using namespace QGpgME;
diff --git a/lang/qt/tests/t-support.h b/lang/qt/tests/t-support.h
index fd7be44a..eb4ba57d 100644
--- a/lang/qt/tests/t-support.h
+++ b/lang/qt/tests/t-support.h
@@ -32,7 +32,7 @@
 #ifndef T_SUPPORT_H
 #define T_SUPPORT_H
 
-#include "interfaces/passphraseprovider.h"
+#include <gpgme++/interfaces/passphraseprovider.h>
 #include <QObject>
 #include <QTest>
 
diff --git a/lang/qt/tests/t-tofuinfo.cpp b/lang/qt/tests/t-tofuinfo.cpp
index a1871c4f..0d99032e 100644
--- a/lang/qt/tests/t-tofuinfo.cpp
+++ b/lang/qt/tests/t-tofuinfo.cpp
@@ -39,20 +39,21 @@
 #include <QSignalSpy>
 
 #include "protocol.h"
-#include "tofuinfo.h"
+#include <gpgme++/tofuinfo.h>
 #include "tofupolicyjob.h"
 #include "verifyopaquejob.h"
-#include "verificationresult.h"
-#include "signingresult.h"
+#include <gpgme++/verificationresult.h>
+#include <gpgme++/signingresult.h>
 #include "importjob.h"
-#include "importresult.h"
+#include <gpgme++/importresult.h>
 #include "keylistjob.h"
-#include "keylistresult.h"
+#include <gpgme++/keylistresult.h>
 #include "signjob.h"
-#include "key.h"
+#include <gpgme++/key.h>
+
 #include "t-support.h"
-#include "engineinfo.h"
-#include "context.h"
+#include <gpgme++/engineinfo.h>
+#include <gpgme++/context.h>
 #include <iostream>
 
 using namespace QGpgME;
diff --git a/lang/qt/tests/t-trustsignatures.cpp b/lang/qt/tests/t-trustsignatures.cpp
index b4baea4e..356b49b7 100644
--- a/lang/qt/tests/t-trustsignatures.cpp
+++ b/lang/qt/tests/t-trustsignatures.cpp
@@ -36,8 +36,8 @@
 
 #include "t-support.h"
 
-#include "context.h"
-#include "engineinfo.h"
+#include <gpgme++/context.h>
+#include <gpgme++/engineinfo.h>
 #include "protocol.h"
 #include "signkeyjob.h"
 
diff --git a/lang/qt/tests/t-various.cpp b/lang/qt/tests/t-various.cpp
index b7e43a6a..6759f3b6 100644
--- a/lang/qt/tests/t-various.cpp
+++ b/lang/qt/tests/t-various.cpp
@@ -40,11 +40,11 @@
 #include <QTemporaryDir>
 #include "keylistjob.h"
 #include "protocol.h"
-#include "keylistresult.h"
-#include "context.h"
-#include "engineinfo.h"
+#include <gpgme++/keylistresult.h>
+#include <gpgme++/context.h>
+#include <gpgme++/engineinfo.h>
 #include "dn.h"
-#include "data.h"
+#include <gpgme++/data.h>
 #include "dataprovider.h"
 #include "signkeyjob.h"
 
diff --git a/lang/qt/tests/t-verify.cpp b/lang/qt/tests/t-verify.cpp
index 0dbecf79..f1bba08f 100644
--- a/lang/qt/tests/t-verify.cpp
+++ b/lang/qt/tests/t-verify.cpp
@@ -40,8 +40,9 @@
 #include "protocol.h"
 
 #include "verifyopaquejob.h"
-#include "verificationresult.h"
-#include "key.h"
+#include <gpgme++/verificationresult.h>
+#include <gpgme++/key.h>
+
 #include "t-support.h"
 
 using namespace QGpgME;
diff --git a/lang/qt/tests/t-wkdlookup.cpp b/lang/qt/tests/t-wkdlookup.cpp
index 5c2816cf..03b7823a 100644
--- a/lang/qt/tests/t-wkdlookup.cpp
+++ b/lang/qt/tests/t-wkdlookup.cpp
@@ -35,8 +35,8 @@
 
 #include "t-support.h"
 
-#include "data.h"
-#include "engineinfo.h"
+#include <gpgme++/data.h>
+#include <gpgme++/engineinfo.h>
 #include "protocol.h"
 #include "wkdlookupjob.h"
 #include "wkdlookupresult.h"
diff --git a/lang/qt/tests/t-wkspublish.cpp b/lang/qt/tests/t-wkspublish.cpp
index 618f0b48..cb75d149 100644
--- a/lang/qt/tests/t-wkspublish.cpp
+++ b/lang/qt/tests/t-wkspublish.cpp
@@ -39,11 +39,11 @@
 #include <QTemporaryDir>
 #include "wkspublishjob.h"
 #include "keygenerationjob.h"
-#include "keygenerationresult.h"
+#include <gpgme++/keygenerationresult.h>
 #include "importjob.h"
-#include "importresult.h"
+#include <gpgme++/importresult.h>
 #include "protocol.h"
-#include "engineinfo.h"
+#include <gpgme++/engineinfo.h>
 
 #include "t-support.h"