diff --git a/src/mem/request.hh b/src/mem/request.hh
index 3d097a4..39d9d72 100644
--- a/src/mem/request.hh
+++ b/src/mem/request.hh
@@ -800,6 +800,13 @@
     }
 
     void
+    clearFlags(Flags flags)
+    {
+        assert(hasPaddr() || hasVaddr());
+        _flags.clear(flags);
+    }
+
+    void
     setCacheCoherenceFlags(CacheCoherenceFlags extraFlags)
     {
         // TODO: do mem_sync_op requests have valid paddr/vaddr?
@@ -807,6 +814,14 @@
         _cacheCoherenceFlags.set(extraFlags);
     }
 
+    void
+    clearCacheCoherenceFlags(CacheCoherenceFlags extraFlags)
+    {
+        // TODO: do mem_sync_op requests have valid paddr/vaddr?
+        assert(hasPaddr() || hasVaddr());
+        _cacheCoherenceFlags.clear(extraFlags);
+    }
+
     /** Accessor function for vaddr.*/
     bool
     hasVaddr() const