diff --git a/package/qt5/qt5base/qt5base.mk b/package/qt5/qt5base/qt5base.mk
index e6307fb3fe..1eabd7a15b 100644
--- a/package/qt5/qt5base/qt5base.mk
+++ b/package/qt5/qt5base/qt5base.mk
@@ -293,8 +293,8 @@ define QT5BASE_CONFIGURE_CMDS
 		-nomake tests \
 		-device buildroot \
 		-device-option CROSS_COMPILE="$(TARGET_CROSS)" \
-		-device-option BR_COMPILER_CFLAGS="$(TARGET_CFLAGS) $(QT5BASE_EXTRA_CFLAGS)" \
-		-device-option BR_COMPILER_CXXFLAGS="$(TARGET_CXXFLAGS) $(QT5BASE_EXTRA_CFLAGS)" \
+		-device-option BR_COMPILER_CFLAGS="$(TARGET_CFLAGS)" \
+		-device-option BR_COMPILER_CXXFLAGS="$(TARGET_CXXFLAGS)" \
 		$(QT5BASE_CONFIGURE_OPTS) \
 	)
 endef