diff --git a/plasma/CMakeLists.txt b/plasma/CMakeLists.txt
index 430d86d2f..c50770751 100644
--- a/plasma/CMakeLists.txt
+++ b/plasma/CMakeLists.txt
@@ -161,9 +161,7 @@ set(plasma_LIB_SRCS
     corona.cpp
 )
 
-if (QT5_BUILD)
-  set(plasma_LIB_SRCS ${plasma_LIB_SRCS} private/effectwatcher.cpp)
-endif()
+set(plasma_LIB_SRCS ${plasma_LIB_SRCS} private/effectwatcher.cpp)
 
 kconfig_add_kcfg_files(plasma_LIB_SRCS data/kconfigxt/libplasma-theme-global.kcfgc)