diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/NullFlowRuleProvider.java b/providers/null/src/main/java/org/onosproject/provider/nil/NullFlowRuleProvider.java
index 2cbb4d0..beaeb6a 100644
--- a/providers/null/src/main/java/org/onosproject/provider/nil/NullFlowRuleProvider.java
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/NullFlowRuleProvider.java
@@ -74,12 +74,12 @@
 
     @Override
     public void applyFlowRule(FlowRule... flowRules) {
-        // FIXME: invoke executeBatch
+        throw new UnsupportedOperationException("Cannot apply individual flow rules");
     }
 
     @Override
     public void removeFlowRule(FlowRule... flowRules) {
-        // FIXME: invoke executeBatch
+        throw new UnsupportedOperationException("Cannot remove individual flow rules");
     }
 
     @Override