diff --git a/dix/gc_priv.h b/dix/gc_priv.h
index c9fd0f9ff..87f975eef 100644
--- a/dix/gc_priv.h
+++ b/dix/gc_priv.h
@@ -30,4 +30,6 @@ Bool CreateDefaultStipple(int screenNum);
 
 void FreeDefaultStipple(int screenNum);
 
+int SetDashes(GCPtr pGC, unsigned offset, unsigned ndash, unsigned char *pdash);
+
 #endif /* _XSERVER_DIX_GC_PRIV_H */
diff --git a/include/gc.h b/include/gc.h
index e701a3be5..4b25aaea0 100644
--- a/include/gc.h
+++ b/include/gc.h
@@ -88,11 +88,6 @@ extern _X_EXPORT int ChangeGC(ClientPtr /*client */ ,
                               BITS32 /*mask */ ,
                               ChangeGCValPtr /*pCGCV */ );
 
-extern _X_EXPORT int SetDashes(GCPtr /*pGC */ ,
-                               unsigned /*offset */ ,
-                               unsigned /*ndash */ ,
-                               unsigned char * /*pdash */ );
-
 extern _X_EXPORT int VerifyRectOrder(int /*nrects */ ,
                                      xRectangle * /*prects */ ,
                                      int /*ordering */ );