diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -228,4 +228,6 @@
     add_subdirectory(composer-ng/tests)
 endif()
 
-add_subdirectory(designer)
+if(BUILD_DESIGNERPLUGIN)
+    add_subdirectory(designer)
+endif()