diff --git a/src/vmime/net/imap/IMAPParser.hpp b/src/vmime/net/imap/IMAPParser.hpp
index 983a39dc..ef239ec2 100644
--- a/src/vmime/net/imap/IMAPParser.hpp
+++ b/src/vmime/net/imap/IMAPParser.hpp
@@ -58,7 +58,7 @@
 #include <memory>
 
 
-#define DEBUG_RESPONSE 1
+//#define DEBUG_RESPONSE 1
 
 
 #if DEBUG_RESPONSE