diff --git a/src/app/app.pro b/src/app/app.pro
index 42904688c..84b64a7d7 100644
--- a/src/app/app.pro
+++ b/src/app/app.pro
@@ -143,7 +143,6 @@ CONFIG(debug, debug|release){
     DEFINES += "LOC_REV=0"
 }else{
     # Release mode
-    DEFINES += QT_NO_DEBUG_OUTPUT
 
     !unix:*-g++{
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
diff --git a/src/libs/qmuparser/qmuparser.pro b/src/libs/qmuparser/qmuparser.pro
index b5247f8ad..03304ceab 100644
--- a/src/libs/qmuparser/qmuparser.pro
+++ b/src/libs/qmuparser/qmuparser.pro
@@ -101,7 +101,6 @@ CONFIG(debug, debug|release){
 
 }else{
     # Release mode
-    DEFINES += QT_NO_DEBUG_OUTPUT
 
     !unix:*-g++{
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll
diff --git a/src/libs/vpropertyexplorer/vpropertyexplorer.pro b/src/libs/vpropertyexplorer/vpropertyexplorer.pro
index c0f8f0f2f..9bc361fa7 100644
--- a/src/libs/vpropertyexplorer/vpropertyexplorer.pro
+++ b/src/libs/vpropertyexplorer/vpropertyexplorer.pro
@@ -143,7 +143,6 @@ CONFIG(debug, debug|release){
 
 }else{
     # Release mode
-    DEFINES += QT_NO_DEBUG_OUTPUT
 
     !unix:*-g++{
         QMAKE_CXXFLAGS += -fno-omit-frame-pointer # Need for exchndl.dll