diff --git a/src/vmime/net/imap/IMAPConnection.cpp b/src/vmime/net/imap/IMAPConnection.cpp
index 7a90b142..5e6f6f8f 100644
--- a/src/vmime/net/imap/IMAPConnection.cpp
+++ b/src/vmime/net/imap/IMAPConnection.cpp
@@ -234,23 +234,23 @@ void IMAPConnection::authenticate()
 			authenticateSASL();
 			return;
 		}
-		catch (exceptions::authentication_error& e)
+		catch (exceptions::authentication_error&)
 		{
 			if (!GET_PROPERTY(bool, PROPERTY_OPTIONS_SASL_FALLBACK))
 			{
 				// Can't fallback on normal authentication
 				internalDisconnect();
-				throw e;
+				throw;
 			}
 			else
 			{
 				// Ignore, will try normal authentication
 			}
 		}
-		catch (exception& e)
+		catch (exception&)
 		{
 			internalDisconnect();
-			throw e;
+			throw;
 		}
 	}
 #endif // VMIME_HAVE_SASL_SUPPORT
diff --git a/src/vmime/net/pop3/POP3Connection.cpp b/src/vmime/net/pop3/POP3Connection.cpp
index 283cc91b..f5a1a448 100644
--- a/src/vmime/net/pop3/POP3Connection.cpp
+++ b/src/vmime/net/pop3/POP3Connection.cpp
@@ -233,23 +233,23 @@ void POP3Connection::authenticate(const messageId& randomMID)
 			m_authenticated = true;
 			return;
 		}
-		catch (exceptions::authentication_error& e)
+		catch (exceptions::authentication_error&)
 		{
 			if (!GET_PROPERTY(bool, PROPERTY_OPTIONS_SASL_FALLBACK))
 			{
 				// Can't fallback on APOP/normal authentication
 				internalDisconnect();
-				throw e;
+				throw;
 			}
 			else
 			{
 				// Ignore, will try APOP/normal authentication
 			}
 		}
-		catch (exception& e)
+		catch (exception&)
 		{
 			internalDisconnect();
-			throw e;
+			throw;
 		}
 	}
 #endif // VMIME_HAVE_SASL_SUPPORT
diff --git a/src/vmime/net/smtp/SMTPConnection.cpp b/src/vmime/net/smtp/SMTPConnection.cpp
index bb5e3c2e..a45f9149 100644
--- a/src/vmime/net/smtp/SMTPConnection.cpp
+++ b/src/vmime/net/smtp/SMTPConnection.cpp
@@ -294,10 +294,10 @@ void SMTPConnection::authenticate()
 			m_authenticated = true;
 			return;
 		}
-		catch (exception& e)
+		catch (exception&)
 		{
 			internalDisconnect();
-			throw e;
+			throw;
 		}
 	}
 #endif // VMIME_HAVE_SASL_SUPPORT