diff --git a/exa/exa.h b/exa/exa.h
index cd90bbc72..9ea593381 100644
--- a/exa/exa.h
+++ b/exa/exa.h
@@ -721,6 +721,9 @@ exaOffscreenAlloc(ScreenPtr pScreen, int size, int align,
 ExaOffscreenArea *
 exaOffscreenFree(ScreenPtr pScreen, ExaOffscreenArea *area);
 
+void
+ExaOffscreenMarkUsed (PixmapPtr pPixmap);
+
 unsigned long
 exaGetPixmapOffset(PixmapPtr pPix);
 
diff --git a/exa/exa_priv.h b/exa/exa_priv.h
index ece589851..a6d98cd2d 100644
--- a/exa/exa_priv.h
+++ b/exa/exa_priv.h
@@ -322,9 +322,6 @@ ExaCheckComposite (CARD8      op,
 #endif
 
 /* exa_offscreen.c */
-void
-ExaOffscreenMarkUsed (PixmapPtr pPixmap);
-
 void
 ExaOffscreenSwapOut (ScreenPtr pScreen);