diff --git a/common.pri b/common.pri
index 36de5c544f..3201053ff3 100644
--- a/common.pri
+++ b/common.pri
@@ -98,7 +98,7 @@ win32-msvc2010 {
 }
 
 unix|win32-g++ {
-  QMAKE_CXXFLAGS_WARN_ON += -Wno-sign-compare -Wno-strict-aliasing -Wconversion
+  QMAKE_CXXFLAGS_WARN_ON += -Wno-sign-compare -Wno-strict-aliasing -Wconversion -Wno-unused-parameter
   # experimental
   QMAKE_CFLAGS_RELEASE -= -O2
   QMAKE_CFLAGS_RELEASE += -O3