diff --git a/CMakeLists.txt b/CMakeLists.txt
index fd17283f77..6cecf9dad3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -826,6 +826,8 @@ if (EMSCRIPTEN)
   list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
 endif()
 
+list (REMOVE_ITEM BUILD_TOOLKITS ExpToCasExe)
+
 # bison
 if (BUILD_YACCLEX)
   OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/bison")