diff --git a/consensus/state.go b/consensus/state.go
index 37209f68d..338568b30 100644
--- a/consensus/state.go
+++ b/consensus/state.go
@@ -1214,10 +1214,13 @@ func (cs *ConsensusState) finalizeCommit(height int) {
 	// Create a copy of the state for staging
 	stateCopy := cs.state.Copy()
 
+	// event cache for txs
+	eventCache := events.NewEventCache(cs.evsw)
+
 	// Run the block on the State:
 	// + update validator sets
 	// + run txs on the proxyAppConn
-	err := stateCopy.ExecBlock(cs.evsw, cs.proxyAppConn, block, blockParts.Header())
+	err := stateCopy.ExecBlock(eventCache, cs.proxyAppConn, block, blockParts.Header())
 	if err != nil {
 		// TODO: handle this gracefully.
 		PanicQ(Fmt("Exec failed for application: %v", err))
@@ -1230,6 +1233,9 @@ func (cs *ConsensusState) finalizeCommit(height int) {
 		PanicQ(Fmt("Commit failed for application: %v", err))
 	}
 
+	// txs committed and removed from mempool, fire events
+	eventCache.Flush()
+
 	// Save to blockStore.
 	if cs.blockStore.Height() < block.Height {
 		precommits := cs.Votes.Precommits(cs.CommitRound)
diff --git a/mempool/mempool.go b/mempool/mempool.go
index e26302051..71ee65a32 100644
--- a/mempool/mempool.go
+++ b/mempool/mempool.go
@@ -167,7 +167,6 @@ func (mem *Mempool) removeTxFromCacheMap(tx []byte) {
 	// NOTE tx not removed from cacheList
 	delete(mem.cacheMap, string(tx))
 	mem.proxyMtx.Unlock()
-
 }
 
 // TMSP callback function
diff --git a/rpc/test/client_test.go b/rpc/test/client_test.go
index bb66965ed..e29587fec 100644
--- a/rpc/test/client_test.go
+++ b/rpc/test/client_test.go
@@ -119,7 +119,7 @@ func testBroadcastTxCommit(t *testing.T, resI interface{}) {
 	}
 	mem := node.MempoolReactor().Mempool
 	if mem.Size() != 0 {
-		t.Fatalf("Mempool size should have been 0. Got %s", mem.Size())
+		t.Fatalf("Mempool size should have been 0. Got %d", mem.Size())
 	}
 }
 
diff --git a/state/execution.go b/state/execution.go
index ad359f4d4..1acd04930 100644
--- a/state/execution.go
+++ b/state/execution.go
@@ -18,7 +18,7 @@ func (s *State) ValidateBlock(block *types.Block) error {
 
 // Execute the block to mutate State.
 // Validates block and then executes Data.Txs in the block.
-func (s *State) ExecBlock(evsw *events.EventSwitch, proxyAppConn proxy.AppConn, block *types.Block, blockPartsHeader types.PartSetHeader) error {
+func (s *State) ExecBlock(eventCache events.Fireable, proxyAppConn proxy.AppConn, block *types.Block, blockPartsHeader types.PartSetHeader) error {
 
 	// Validate the block.
 	err := s.validateBlock(block)
@@ -34,7 +34,7 @@ func (s *State) ExecBlock(evsw *events.EventSwitch, proxyAppConn proxy.AppConn,
 	nextValSet := valSet.Copy()
 
 	// Execute the block txs
-	err = s.execBlockOnProxyApp(evsw, proxyAppConn, block)
+	err = s.execBlockOnProxyApp(eventCache, proxyAppConn, block)
 	if err != nil {
 		// There was some error in proxyApp
 		// TODO Report error and wait for proxyApp to be available.
@@ -55,9 +55,7 @@ func (s *State) ExecBlock(evsw *events.EventSwitch, proxyAppConn proxy.AppConn,
 
 // Executes block's transactions on proxyAppConn.
 // TODO: Generate a bitmap or otherwise store tx validity in state.
-func (s *State) execBlockOnProxyApp(evsw *events.EventSwitch, proxyAppConn proxy.AppConn, block *types.Block) error {
-
-	eventCache := events.NewEventCache(evsw)
+func (s *State) execBlockOnProxyApp(eventCache events.Fireable, proxyAppConn proxy.AppConn, block *types.Block) error {
 
 	var validTxs, invalidTxs = 0, 0
 
@@ -100,9 +98,6 @@ func (s *State) execBlockOnProxyApp(evsw *events.EventSwitch, proxyAppConn proxy
 	log.Info("TODO: Do something with changedValidators", changedValidators)
 
 	log.Info(Fmt("ExecBlock got %v valid txs and %v invalid txs", validTxs, invalidTxs))
-
-	// fire events
-	eventCache.Flush()
 	return nil
 }