diff --git a/dll/directx/quartz/CMakeLists.txt b/dll/directx/quartz/CMakeLists.txt
index e7f285779ce..6d3edafde5b 100644
--- a/dll/directx/quartz/CMakeLists.txt
+++ b/dll/directx/quartz/CMakeLists.txt
@@ -39,7 +39,6 @@ add_library(quartz SHARED
     enummedia.c
     control.c
     avisplit.c
-    stubs.c
     version.rc
     ${CMAKE_CURRENT_BINARY_DIR}/quartz.def)
 
diff --git a/dll/directx/quartz/stubs.c b/dll/directx/quartz/stubs.c
deleted file mode 100644
index a6fd19048f4..00000000000
--- a/dll/directx/quartz/stubs.c
+++ /dev/null
@@ -1,12 +0,0 @@
-
-typedef void* ProxyFileInfo;
-typedef void* CLSID;
-#define RPC_ENTRY
-
-void
-RPC_ENTRY
-GetProxyDllInfo(const ProxyFileInfo *** pInfo, const CLSID ** pId)
-{
-    *pInfo  = 0;
-    *pId    = 0;
-};