diff --git a/SCsub b/SCsub
index f46fa21..c8d3504 100644
--- a/SCsub
+++ b/SCsub
@@ -20,11 +20,12 @@ module_env.add_source_files(env.modules_sources,"mesh_data_resource_collection.c
 
 module_env.add_source_files(env.modules_sources,"plugin/mdr_import_plugin_base.cpp")
 
-module_env.add_source_files(env.modules_sources,"plugin_collada/editor_import_collada_mdr.cpp")
-module_env.add_source_files(env.modules_sources,"plugin_collada/editor_plugin_collada_mdr.cpp")
+if 'TOOLS_ENABLED' in env["CPPDEFINES"]:
+    module_env.add_source_files(env.modules_sources,"plugin_collada/editor_import_collada_mdr.cpp")
+    module_env.add_source_files(env.modules_sources,"plugin_collada/editor_plugin_collada_mdr.cpp")
 
-module_env.add_source_files(env.modules_sources,"plugin_gltf/editor_import_gltf_mdr.cpp")
-module_env.add_source_files(env.modules_sources,"plugin_gltf/editor_plugin_gltf_mdr.cpp")
+    module_env.add_source_files(env.modules_sources,"plugin_gltf/editor_import_gltf_mdr.cpp")
+    module_env.add_source_files(env.modules_sources,"plugin_gltf/editor_plugin_gltf_mdr.cpp")
 
 module_env.add_source_files(env.modules_sources,"nodes/mesh_data_instance.cpp")