diff --git a/randr/randrstr.h b/randr/randrstr.h
index ea6da7d9c..aabcfdf57 100644
--- a/randr/randrstr.h
+++ b/randr/randrstr.h
@@ -961,9 +961,6 @@ RRProviderDestroy (RRProviderPtr provider);
 extern _X_EXPORT void
 RRProviderSetCapabilities(RRProviderPtr provider, uint32_t capabilities);
 
-extern _X_EXPORT Bool
-RRProviderLookup(XID id, RRProviderPtr *provider_p);
-
 extern _X_EXPORT void
 RRDeliverProviderEvent(ClientPtr client, WindowPtr pWin, RRProviderPtr provider);
 
diff --git a/randr/rrprovider.c b/randr/rrprovider.c
index 61e9001b4..9868e8ccc 100644
--- a/randr/rrprovider.c
+++ b/randr/rrprovider.c
@@ -459,16 +459,6 @@ RRProviderInit(void)
     return TRUE;
 }
 
-Bool
-RRProviderLookup(XID id, RRProviderPtr *provider_p)
-{
-    int rc = dixLookupResourceByType((void **)provider_p, id,
-                                   RRProviderType, NullClient, DixReadAccess);
-    if (rc == Success)
-        return TRUE;
-    return FALSE;
-}
-
 void
 RRDeliverProviderEvent(ClientPtr client, WindowPtr pWin, RRProviderPtr provider)
 {