diff --git a/action/claimreward.go b/action/claimreward.go
index 75dcb26733..c2f70a7256 100644
--- a/action/claimreward.go
+++ b/action/claimreward.go
@@ -113,7 +113,7 @@ func NewClaimFromRewardingFund(amount *big.Int,
 // note that this amount won't be charged/deducted from sender
 func (c *ClaimFromRewardingFund) ClaimAmount() *big.Int { return c.amount }
 
-// Address returns the the account to claim
+// Address returns the account to claim
 // if it's nil, the default is the action sender
 func (c *ClaimFromRewardingFund) Address() address.Address { return c.address }
 
diff --git a/action/protocol/execution/evm/evmstatedbadapter.go b/action/protocol/execution/evm/evmstatedbadapter.go
index fc711b841e..f9a8b360b2 100644
--- a/action/protocol/execution/evm/evmstatedbadapter.go
+++ b/action/protocol/execution/evm/evmstatedbadapter.go
@@ -621,7 +621,7 @@ func (stateDB *StateDBAdapter) AddSlotToAccessList(addr common.Address, slot com
 	stateDB.accessList.AddSlot(addr, slot)
 }
 
-// Empty returns true if the the contract is empty
+// Empty returns true if the contract is empty
 func (stateDB *StateDBAdapter) Empty(evmAddr common.Address) bool {
 	log.T(stateDB.ctx).Debug("Check whether the contract is empty.")
 	s, err := stateDB.accountState(evmAddr)
diff --git a/action/protocol/rewarding/reward.go b/action/protocol/rewarding/reward.go
index 8ded019e7d..710cc00815 100644
--- a/action/protocol/rewarding/reward.go
+++ b/action/protocol/rewarding/reward.go
@@ -38,7 +38,7 @@ func (b rewardHistory) Serialize() ([]byte, error) {
 // Deserialize deserializes bytes into reward history state
 func (b *rewardHistory) Deserialize(data []byte) error { return nil }
 
-// rewardHistory stores the unclaimed balance of an account
+// rewardAccount stores the unclaimed balance of an account
 type rewardAccount struct {
 	balance *big.Int
 }
diff --git a/blockchain/genesis/genesis.go b/blockchain/genesis/genesis.go
index b02b1730a1..8d6da4453a 100644
--- a/blockchain/genesis/genesis.go
+++ b/blockchain/genesis/genesis.go
@@ -334,7 +334,7 @@ type (
 		// 3. fix gas and nonce update
 		// 4. fix unproductive delegates in staking protocol
 		OkhotskBlockHeight uint64 `yaml:"okhotskHeight"`
-		// PalauBlockHeight is the the start height to
+		// PalauBlockHeight is the start height to
 		// 1. enable rewarding action via web3
 		// 2. broadcast node info into the p2p network
 		PalauBlockHeight uint64 `yaml:"palauHeight"`
diff --git a/blockchain/integrity/integrity_test.go b/blockchain/integrity/integrity_test.go
index 7dea34c2c7..06fb9323b7 100644
--- a/blockchain/integrity/integrity_test.go
+++ b/blockchain/integrity/integrity_test.go
@@ -2449,7 +2449,7 @@ func TestHistoryForContract(t *testing.T) {
 	require.True(ok)
 	require.Equal(expect, balance)
 
-	// check the the original balance again
+	// check the original balance again
 	_, err = sf.WorkingSetAtHeight(ctx, bc.TipHeight()-1)
 	require.NoError(err)
 }
diff --git a/consensus/scheme/rolldpos/rolldpos.go b/consensus/scheme/rolldpos/rolldpos.go
index e7ed836c04..db7e9c5bfc 100644
--- a/consensus/scheme/rolldpos/rolldpos.go
+++ b/consensus/scheme/rolldpos/rolldpos.go
@@ -228,7 +228,7 @@ func (r *RollDPoS) CurrentState() fsm.State {
 }
 
 // Activate activates or pauses the roll-DPoS consensus. When it is deactivated, the node will finish the current
-// consensus round if it is doing the work and then return the the initial state
+// consensus round if it is doing the work and then return the initial state
 func (r *RollDPoS) Activate(active bool) {
 	r.ctx.Activate(active)
 	// reactivate cfsm if the node is reactivated
diff --git a/e2etest/local_transfer_test.go b/e2etest/local_transfer_test.go
index dc6293e8a3..c1e3fa69d0 100644
--- a/e2etest/local_transfer_test.go
+++ b/e2etest/local_transfer_test.go
@@ -69,7 +69,7 @@ type AccountState int
 const (
 	//This account should be created on blockchain in run time with the given balance
 	AcntCreate AccountState = iota
-	//This account already exist, need to load the the key, address, balance to this test case
+	//This account already exist, need to load the key, address, balance to this test case
 	AcntExist
 	//This account doesnt exist on blockchain, but have a valid key and address
 	AcntNotRegistered
@@ -526,7 +526,7 @@ func TestLocalTransfer(t *testing.T) {
 
 // initStateKeyAddr, if the given private key is nil,
 // creates key, address, and init the new account with given balance
-// otherwise, calculate the the address, and load test with existing
+// otherwise, calculate the address, and load test with existing
 // balance state.
 func initStateKeyAddr(
 	accountState AccountState,
diff --git a/ioctl/doc/doc.go b/ioctl/doc/doc.go
index c38e44f909..48d2ad006f 100644
--- a/ioctl/doc/doc.go
+++ b/ioctl/doc/doc.go
@@ -13,7 +13,7 @@ import (
 	"github.com/spf13/cobra"
 )
 
-// GenMarkdownTreeCustom is the the same as GenMarkdownTree, but
+// GenMarkdownTreeCustom is the same as GenMarkdownTree, but
 // with custom filePrepender and linkHandler.
 func GenMarkdownTreeCustom(c *cobra.Command, dir string, name string, path string, filePrepender func(string) string,
 	linkHandler func(*cobra.Command, string) string) (err error) {