diff --git a/build_scripts/qt/compilers/clang-gcc-common-switches.pri b/build_scripts/qt/compilers/clang-gcc-common-switches.pri
index 52af3d9..c7a339b 100644
--- a/build_scripts/qt/compilers/clang-gcc-common-switches.pri
+++ b/build_scripts/qt/compilers/clang-gcc-common-switches.pri
@@ -7,5 +7,3 @@ QMAKE_CXXFLAGS += -Wold-style-cast
 QMAKE_CXXFLAGS += -Wnon-virtual-dtor
 
 QMAKE_CXXFLAGS += -Wcast-align -Wunused -Woverloaded-virtual -Wformat=2
-
-QMAKE_CXXFLAGS += -Weffc++
diff --git a/build_scripts/qt/compilers/clang-msvc.pri b/build_scripts/qt/compilers/clang-msvc.pri
index c549144..65e7957 100644
--- a/build_scripts/qt/compilers/clang-msvc.pri
+++ b/build_scripts/qt/compilers/clang-msvc.pri
@@ -12,6 +12,8 @@ include(clang-gcc-common-switches.pri)
 
 QMAKE_CXXFLAGS += -Wmost
 
+QMAKE_CXXFLAGS += -Weffc++
+
 #QMAKE_CXXFLAGS += -Wconversion
 #QMAKE_CXXFLAGS += -Wdouble-promotion
 #QMAKE_CXXFLAGS +=  -Wsign-conversion
diff --git a/build_scripts/qt/compilers/clang.pri b/build_scripts/qt/compilers/clang.pri
index ba39d33..39ebd07 100644
--- a/build_scripts/qt/compilers/clang.pri
+++ b/build_scripts/qt/compilers/clang.pri
@@ -7,3 +7,5 @@ QMAKE_CXXFLAGS += -Wpedantic
 QMAKE_CXXFLAGS += -Werror
 #All includes from the third-party directory will not warn.
 QMAKE_CXXFLAGS += --system-header-prefix=third-party
+
+QMAKE_CXXFLAGS += -Weffc++