diff --git a/dll/directx/wine/amstream/CMakeLists.txt b/dll/directx/wine/amstream/CMakeLists.txt
index 695b778ffc6..b6e6b869aa8 100644
--- a/dll/directx/wine/amstream/CMakeLists.txt
+++ b/dll/directx/wine/amstream/CMakeLists.txt
@@ -1,7 +1,5 @@
 
-add_definitions(
-    -D__WINESRC__
-    -DWIDL_C_INLINE_WRAPPERS)
+add_definitions(-D__WINESRC__)
 
 include_directories(${REACTOS_SOURCE_DIR}/sdk/include/reactos/wine)
 spec2def(amstream.dll amstream.spec)