diff --git a/core/state/snapshot/generate.go b/core/state/snapshot/generate.go
index a4373d8bc..9d74ca4d9 100644
--- a/core/state/snapshot/generate.go
+++ b/core/state/snapshot/generate.go
@@ -48,13 +48,13 @@ var (
 	// accountCheckRange is the upper limit of the number of accounts involved in
 	// each range check. This is a value estimated based on experience. If this
 	// value is too large, the failure rate of range prove will increase. Otherwise
-	// the the value is too small, the efficiency of the state recovery will decrease.
+	// the value is too small, the efficiency of the state recovery will decrease.
 	accountCheckRange = 128
 
 	// storageCheckRange is the upper limit of the number of storage slots involved
 	// in each range check. This is a value estimated based on experience. If this
 	// value is too large, the failure rate of range prove will increase. Otherwise
-	// the the value is too small, the efficiency of the state recovery will decrease.
+	// the value is too small, the efficiency of the state recovery will decrease.
 	storageCheckRange = 1024
 
 	// errMissingTrie is returned if the target trie is missing while the generation
diff --git a/crypto/secp256k1/libsecp256k1/src/asm/field_10x26_arm.s b/crypto/secp256k1/libsecp256k1/src/asm/field_10x26_arm.s
index 1e2d7ff96..5a9cc3ffc 100644
--- a/crypto/secp256k1/libsecp256k1/src/asm/field_10x26_arm.s
+++ b/crypto/secp256k1/libsecp256k1/src/asm/field_10x26_arm.s
@@ -11,7 +11,7 @@ Note:
 
 - To avoid unnecessary loads and make use of available registers, two
   'passes' have every time been interleaved, with the odd passes accumulating c' and d' 
-  which will be added to c and d respectively in the the even passes
+  which will be added to c and d respectively in the even passes
 
 */
 
diff --git a/eth/protocols/eth/handler.go b/eth/protocols/eth/handler.go
index 828930014..44fa18c4b 100644
--- a/eth/protocols/eth/handler.go
+++ b/eth/protocols/eth/handler.go
@@ -96,7 +96,7 @@ type Backend interface {
 
 // TxPool defines the methods needed by the protocol handler to serve transactions.
 type TxPool interface {
-	// Get retrieves the the transaction from the local txpool with the given hash.
+	// Get retrieves the transaction from the local txpool with the given hash.
 	Get(hash common.Hash) *types.Transaction
 }
 
diff --git a/les/vflux/client/serverpool.go b/les/vflux/client/serverpool.go
index cc0254c12..9703bf4c8 100644
--- a/les/vflux/client/serverpool.go
+++ b/les/vflux/client/serverpool.go
@@ -44,7 +44,7 @@ const (
 	queryWaitStep       = 1.02                   // exponential multiplier of redial wait time when no value was provided by the server
 	waitThreshold       = time.Hour * 2000       // drop node if waiting time is over the threshold
 	nodeWeightMul       = 1000000                // multiplier constant for node weight calculation
-	nodeWeightThreshold = 100                    // minimum weight for keeping a node in the the known (valuable) set
+	nodeWeightThreshold = 100                    // minimum weight for keeping a node in the known (valuable) set
 	minRedialWait       = 10                     // minimum redial wait time in seconds
 	preNegLimit         = 5                      // maximum number of simultaneous pre-negotiation queries
 	warnQueryFails      = 20                     // number of consecutive UDP query failures before we print a warning
diff --git a/p2p/discover/v5wire/msg.go b/p2p/discover/v5wire/msg.go
index 7c3686111..c04966847 100644
--- a/p2p/discover/v5wire/msg.go
+++ b/p2p/discover/v5wire/msg.go
@@ -84,7 +84,7 @@ type (
 		ReqID  []byte
 		ENRSeq uint64
 		ToIP   net.IP // These fields should mirror the UDP envelope address of the ping
-		ToPort uint16 // packet, which provides a way to discover the the external address (after NAT).
+		ToPort uint16 // packet, which provides a way to discover the external address (after NAT).
 	}
 
 	// FINDNODE is a query for nodes in the given bucket.
diff --git a/trie/iterator.go b/trie/iterator.go
index 406f216c2..654772aa1 100644
--- a/trie/iterator.go
+++ b/trie/iterator.go
@@ -275,7 +275,7 @@ func (it *nodeIterator) seek(prefix []byte) error {
 	}
 }
 
-// init initializes the the iterator.
+// init initializes the iterator.
 func (it *nodeIterator) init() (*nodeIteratorState, error) {
 	root := it.trie.Hash()
 	state := &nodeIteratorState{node: it.trie.root, index: -1}