diff --git a/engines/m4/globals.h b/engines/m4/globals.h
index 117769ee8e4..2d90b7ba770 100644
--- a/engines/m4/globals.h
+++ b/engines/m4/globals.h
@@ -30,10 +30,13 @@
 #include "common/array.h"
 #include "common/hashmap.h"
 #include "common/rect.h"
-#include "common/file.h"
 #include "common/list.h"
 #include "common/ptr.h"
 
+namespace Common {
+class SeekableReadStream;
+}
+
 namespace M4 {
 
 class MadsM4Engine;