diff --git a/cmd/devp2p/nodesetcmd.go b/cmd/devp2p/nodesetcmd.go
index f6b629278..2cf104592 100644
--- a/cmd/devp2p/nodesetcmd.go
+++ b/cmd/devp2p/nodesetcmd.go
@@ -181,7 +181,7 @@ func parseFilterLimit(args []string) (int, error) {
 	return limit, nil
 }
 
-// andFilter parses node filters in args and and returns a single filter that requires all
+// andFilter parses node filters in args and returns a single filter that requires all
 // of them to match.
 func andFilter(args []string) (nodeFilter, error) {
 	checks, err := parseFilters(args)
diff --git a/core/error.go b/core/error.go
index 51ebefc13..5b69c8dca 100644
--- a/core/error.go
+++ b/core/error.go
@@ -91,7 +91,7 @@ var (
 	ErrFeeCapVeryHigh = errors.New("max fee per gas higher than 2^256-1")
 
 	// ErrFeeCapTooLow is returned if the transaction fee cap is less than the
-	// the base fee of the block.
+	// base fee of the block.
 	ErrFeeCapTooLow = errors.New("max fee per gas less than block base fee")
 
 	// ErrSenderNoEOA is returned if the sender of a transaction is a contract.
diff --git a/core/state/snapshot/difflayer.go b/core/state/snapshot/difflayer.go
index 822c91f15..f916a020e 100644
--- a/core/state/snapshot/difflayer.go
+++ b/core/state/snapshot/difflayer.go
@@ -68,7 +68,7 @@ var (
 	bloomFuncs = math.Round((bloomSize / float64(aggregatorItemLimit)) * math.Log(2))
 
 	// the bloom offsets are runtime constants which determines which part of the
-	// the account/storage hash the hasher functions looks at, to determine the
+	// account/storage hash the hasher functions looks at, to determine the
 	// bloom key for an account/slot. This is randomized at init(), so that the
 	// global population of nodes do not all display the exact same behaviour with
 	// regards to bloom content
diff --git a/core/tx_noncer.go b/core/tx_noncer.go
index d6d220077..51fa8cf5a 100644
--- a/core/tx_noncer.go
+++ b/core/tx_noncer.go
@@ -64,7 +64,7 @@ func (txn *txNoncer) set(addr common.Address, nonce uint64) {
 }
 
 // setIfLower updates a new virtual nonce into the virtual state database if the
-// the new one is lower.
+// new one is lower.
 func (txn *txNoncer) setIfLower(addr common.Address, nonce uint64) {
 	txn.lock.Lock()
 	defer txn.lock.Unlock()
diff --git a/p2p/discover/v4wire/v4wire.go b/p2p/discover/v4wire/v4wire.go
index b07a6e341..02ee459d1 100644
--- a/p2p/discover/v4wire/v4wire.go
+++ b/p2p/discover/v4wire/v4wire.go
@@ -60,7 +60,7 @@ type (
 	Pong struct {
 		// This field should mirror the UDP envelope address
 		// of the ping packet, which provides a way to discover the
-		// the external address (after NAT).
+		// external address (after NAT).
 		To         Endpoint
 		ReplyTok   []byte // This contains the hash of the ping packet.
 		Expiration uint64 // Absolute timestamp at which the packet becomes invalid.