Ticket #10285: 10285.diff

wp-includes/capabilities.php

@@ -565 +565 @@
          * @param string $role Role name.
          */
         function remove_role( $role ) {
-                if ( empty( $this->roles[$role] ) || ( count( $this->roles ) <= 1 ) )
+                if ( empty( $this->caps[$role] ) || ( count( $this->roles ) <= 1 ) )
                         return;
                 unset( $this->caps[$role] );
                 update_usermeta( $this->ID, $this->cap_key, $this->caps );