diff --git a/include/dix.h b/include/dix.h
index 4aa03c2..2708453 100644
--- a/include/dix.h
+++ b/include/dix.h
@@ -595,28 +595,28 @@ extern _X_EXPORT Bool IsPointerEvent(xEvent* xE);
  * Please use the noted replacements instead.
  */
 /* replaced by dixLookupWindow */
-extern _X_EXPORT WindowPtr SecurityLookupWindow(
+extern _X_EXPORT _X_DEPRECATED WindowPtr SecurityLookupWindow(
     XID id,
     ClientPtr client,
     Mask access_mode);
 /* replaced by dixLookupWindow */
-extern _X_EXPORT WindowPtr LookupWindow(
+extern _X_EXPORT _X_DEPRECATED WindowPtr LookupWindow(
     XID id,
     ClientPtr client);
 
 /* replaced by dixLookupDrawable */
-extern _X_EXPORT pointer SecurityLookupDrawable(
+extern _X_EXPORT _X_DEPRECATED pointer SecurityLookupDrawable(
     XID id,
     ClientPtr client,
     Mask access_mode);
 
 /* replaced by dixLookupDrawable */
-extern _X_EXPORT pointer LookupDrawable(
+extern _X_EXPORT _X_DEPRECATED pointer LookupDrawable(
     XID id,
     ClientPtr client);
 
 /* replaced by dixLookupClient */
-extern _X_EXPORT ClientPtr LookupClient(
+extern _X_EXPORT _X_DEPRECATED ClientPtr LookupClient(
     XID id,
     ClientPtr client);
 
diff --git a/include/resource.h b/include/resource.h
index cb6e064..64508c5 100644
--- a/include/resource.h
+++ b/include/resource.h
@@ -245,26 +245,26 @@ extern _X_EXPORT RESTYPE TypeMask;
  */
 
 /* replaced by dixLookupResource */
-extern _X_EXPORT pointer SecurityLookupIDByType(
+extern _X_EXPORT _X_DEPRECATED pointer SecurityLookupIDByType(
     ClientPtr client,
     XID id,
     RESTYPE rtype,
     Mask access_mode);
 
 /* replaced by dixLookupResource */
-extern _X_EXPORT pointer SecurityLookupIDByClass(
+extern _X_EXPORT _X_DEPRECATED pointer SecurityLookupIDByClass(
     ClientPtr client,
     XID id,
     RESTYPE classes,
     Mask access_mode);
 
 /* replaced by dixLookupResource */
-extern _X_EXPORT pointer LookupIDByType(
+extern _X_EXPORT _X_DEPRECATED pointer LookupIDByType(
     XID id,
     RESTYPE rtype);
 
 /* replaced by dixLookupResource */
-extern _X_EXPORT pointer LookupIDByClass(
+extern _X_EXPORT _X_DEPRECATED pointer LookupIDByClass(
     XID id,
     RESTYPE classes);