diff --git a/eth/filters/api.go b/eth/filters/api.go
index 30d7b71c31..afc5f8e4be 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -111,6 +111,7 @@ func (api *PublicFilterAPI) NewPendingTransactionFilter() rpc.ID {
 	api.filtersMu.Lock()
 	api.filters[pendingTxSub.ID] = &filter{typ: PendingTransactionsSubscription, deadline: time.NewTimer(deadline), hashes: make([]common.Hash, 0), s: pendingTxSub}
 	api.filtersMu.Unlock()
+	defer api.filters[pendingTxSub.ID].deadline.Stop()
 
 	go func() {
 		for {
@@ -181,7 +182,7 @@ func (api *PublicFilterAPI) NewBlockFilter() rpc.ID {
 	api.filtersMu.Lock()
 	api.filters[headerSub.ID] = &filter{typ: BlocksSubscription, deadline: time.NewTimer(deadline), hashes: make([]common.Hash, 0), s: headerSub}
 	api.filtersMu.Unlock()
-
+	defer api.filters[headerSub.ID].deadline.Stop()
 	go func() {
 		for {
 			select {
@@ -298,6 +299,7 @@ func (api *PublicFilterAPI) NewFilter(crit FilterCriteria) (rpc.ID, error) {
 	api.filtersMu.Lock()
 	api.filters[logsSub.ID] = &filter{typ: LogsSubscription, crit: crit, deadline: time.NewTimer(deadline), logs: make([]*types.Log, 0), s: logsSub}
 	api.filtersMu.Unlock()
+	defer api.filters[logsSub.ID].deadline.Stop()
 
 	go func() {
 		for {