diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c
index c45897365..151030c3a 100644
--- a/hw/xfree86/modes/xf86Crtc.c
+++ b/hw/xfree86/modes/xf86Crtc.c
@@ -29,6 +29,8 @@
 #include <string.h>
 #include <stdio.h>
 
+#include "randr/randrstr_priv.h"
+
 #include "xf86.h"
 #include "xf86DDC_priv.h"
 #include "xf86Crtc.h"
diff --git a/randr/randrstr.h b/randr/randrstr.h
index 9ae9cf42b..78e114589 100644
--- a/randr/randrstr.h
+++ b/randr/randrstr.h
@@ -595,12 +595,6 @@ extern _X_EXPORT Bool
 extern _X_EXPORT Bool
  RRCrtcGammaSetSize(RRCrtcPtr crtc, int size);
 
-/*
- * Detach and free a scanout pixmap
- */
-extern _X_EXPORT void
- RRCrtcDetachScanoutPixmap(RRCrtcPtr crtc);
-
 extern _X_EXPORT Bool
  RRReplaceScanoutPixmap(DrawablePtr pDrawable, PixmapPtr pPixmap, Bool enable);
 
diff --git a/randr/randrstr_priv.h b/randr/randrstr_priv.h
index 5da7105c4..1c154d857 100644
--- a/randr/randrstr_priv.h
+++ b/randr/randrstr_priv.h
@@ -229,4 +229,11 @@ Bool RRCrtcInit(void);
  */
 void RRCrtcInitErrorValue(void);
 
+/*
+ * Detach and free a scanout pixmap
+ *
+ * @param crtc    the CRTC to act on
+ */
+void RRCrtcDetachScanoutPixmap(RRCrtcPtr crtc);
+
 #endif /* _XSERVER_RANDRSTR_PRIV_H_ */