diff --git a/eth/fetcher/block_fetcher.go b/eth/fetcher/block_fetcher.go
index b6cab05deb..7690a53862 100644
--- a/eth/fetcher/block_fetcher.go
+++ b/eth/fetcher/block_fetcher.go
@@ -302,6 +302,8 @@ func (f *BlockFetcher) loop() {
 	// Iterate the block fetching until a quit is requested
 	fetchTimer := time.NewTimer(0)
 	completeTimer := time.NewTimer(0)
+	defer fetchTimer.Stop()
+	defer completeTimer.Stop()
 
 	for {
 		// Clean up any expired block fetches