diff --git a/cosmos/txpool/handler.go b/cosmos/txpool/handler.go
index 7a8e21b26..a357786c0 100644
--- a/cosmos/txpool/handler.go
+++ b/cosmos/txpool/handler.go
@@ -211,7 +211,6 @@ func (h *handler) stop(err error) {
 	// Close channels.
 	close(h.txsCh)
 	close(h.stopCh)
-	close(h.stopCh)
 }
 
 // queueTransactions method will propagate a batch of transactions to the CometBFT mempool.
diff --git a/cosmos/txpool/handler_test.go b/cosmos/txpool/handler_test.go
index 6e31d9585..99cafbf4e 100644
--- a/cosmos/txpool/handler_test.go
+++ b/cosmos/txpool/handler_test.go
@@ -83,7 +83,6 @@ var _ = Describe("", func() {
 		It("should handle 1 tx", func() {
 			defer GinkgoRecover()
 			serializer.On("ToSdkTxBytes", mock.Anything, mock.Anything).Return([]byte{123}, nil).Once()
-			broadcaster.On("BroadcastTxSync", []byte{123}).Return(nil, nil).Once()
 
 			h.txsCh <- core.NewTxsEvent{
 				Txs: []*coretypes.Transaction{coretypes.NewTx(&coretypes.LegacyTx{Nonce: 5, Gas: 100})},
@@ -93,7 +92,6 @@ var _ = Describe("", func() {
 		It("should handle multiple tx", func() {
 			defer GinkgoRecover()
 			serializer.On("ToSdkTxBytes", mock.Anything, mock.Anything).Return([]byte{123}, nil).Twice()
-			broadcaster.On("BroadcastTxSync", []byte{123}).Return(nil, nil).Twice()
 
 			h.txsCh <- core.NewTxsEvent{Txs: []*coretypes.Transaction{
 				coretypes.NewTx(&coretypes.LegacyTx{Nonce: 5, Gas: 10}),