diff --git a/include/dix.h b/include/dix.h
index 154a974b1f..d78158831c 100644
--- a/include/dix.h
+++ b/include/dix.h
@@ -225,4 +225,7 @@ extern _X_EXPORT void *lastGLContext;
  */
 _X_EXPORT const char *dixGetDisplayName(ScreenPtr *pScreen);
 
+/* TRUE if driver should not clear the root window on startup (if supported) */
+extern _X_EXPORT Bool bgNoneRoot;
+
 #endif                          /* DIX_H */
diff --git a/include/opaque.h b/include/opaque.h
index b924cfa19c..193502070c 100644
--- a/include/opaque.h
+++ b/include/opaque.h
@@ -33,6 +33,4 @@ from The Open Group.
 
 #include "globals.h"
 
-extern _X_EXPORT Bool bgNoneRoot;
-
 #endif                          /* OPAQUE_H */