diff --git a/dlls/wineqtdecoder/qtdatahandler.c b/dlls/wineqtdecoder/qtdatahandler.c
index be003c3f170..9c839aadd84 100644
--- a/dlls/wineqtdecoder/qtdatahandler.c
+++ b/dlls/wineqtdecoder/qtdatahandler.c
@@ -119,8 +119,6 @@
 #include "winuser.h"
 #include "dshow.h"
 
-#include <assert.h>
-
 #include "wine/unicode.h"
 #include "wine/debug.h"
 
diff --git a/dlls/wineqtdecoder/qtsplitter.c b/dlls/wineqtdecoder/qtsplitter.c
index 46ce23ebdc1..b58419839c7 100644
--- a/dlls/wineqtdecoder/qtsplitter.c
+++ b/dlls/wineqtdecoder/qtsplitter.c
@@ -120,8 +120,6 @@
 #include "winuser.h"
 #include "dshow.h"
 
-#include <assert.h>
-
 #include "wine/unicode.h"
 #include "wine/debug.h"
 #include "wine/strmbase.h"