diff --git a/plugins/audio_file_processor/audio_file_processor.cpp b/plugins/audio_file_processor/audio_file_processor.cpp
index bbb984456..fdbca5722 100644
--- a/plugins/audio_file_processor/audio_file_processor.cpp
+++ b/plugins/audio_file_processor/audio_file_processor.cpp
@@ -42,9 +42,6 @@
 #include <qdom.h>
 #include <qfileinfo.h>
 
-#define isChecked isOn
-#define setChecked setOn
-
 #endif
 
 
@@ -682,9 +679,5 @@ plugin * lmms_plugin_main( void * _data )
 }
 
 
-
-#undef isChecked
-#undef isOn
-
 #include "audio_file_processor.moc"
 
diff --git a/plugins/bit_invader/bit_invader.cpp b/plugins/bit_invader/bit_invader.cpp
index 364098ffe..9fb1c88d8 100644
--- a/plugins/bit_invader/bit_invader.cpp
+++ b/plugins/bit_invader/bit_invader.cpp
@@ -547,7 +547,7 @@ void bitInvader::smoothClicked( void )
 	
 
 	// Smoothing
-	sample_shape[0] = temp[0]+temp[sample_length-1] * 0.5f;
+	sample_shape[0] = ( temp[0]+temp[sample_length-1] ) * 0.5f;
 	for ( int i=1; i < sample_length; i++)
 	{
 		sample_shape[i] = (temp[i-1] + temp[i]) * 0.5f;