diff --git a/balance/balance_contract.go b/balance/balance_contract.go
index c5adc66..a8ff6c6 100644
--- a/balance/balance_contract.go
+++ b/balance/balance_contract.go
@@ -245,7 +245,7 @@ func Lock(txDetails []byte, from, to interop.Hash160, amount, until int) {
 		panic("can't lock funds")
 	}
 
-	runtime.Log("lock: created lock account")
+	runtime.Log("created lock account")
 	runtime.Notify("Lock", txDetails, from, to, amount, until)
 }
 
@@ -343,7 +343,7 @@ func Mint(to interop.Hash160, amount int, txDetails []byte) {
 	supply := token.getSupply(ctx)
 	supply = supply + amount
 	storage.Put(ctx, token.CirculationKey, supply)
-	runtime.Log("mint: assets were minted")
+	runtime.Log("assets were minted")
 	runtime.Notify("Mint", to, amount)
 }
 
@@ -404,7 +404,7 @@ func Burn(from interop.Hash160, amount int, txDetails []byte) {
 
 	supply = supply - amount
 	storage.Put(ctx, token.CirculationKey, supply)
-	runtime.Log("burn: assets were burned")
+	runtime.Log("assets were burned")
 	runtime.Notify("Burn", from, amount)
 }
 
@@ -465,7 +465,7 @@ func (t Token) canTransfer(ctx storage.Context, from, to interop.Hash160, amount
 
 	if !innerRing {
 		if len(to) != 20 || !isUsableAddress(from) {
-			runtime.Log("transfer: bad script hashes")
+			runtime.Log("bad script hashes")
 			return emptyAcc, false
 		}
 	} else if len(from) == 0 {
@@ -474,7 +474,7 @@ func (t Token) canTransfer(ctx storage.Context, from, to interop.Hash160, amount
 
 	amountFrom := getAccount(ctx, from)
 	if amountFrom.Balance < amount {
-		runtime.Log("transfer: not enough assets")
+		runtime.Log("not enough assets")
 		return emptyAcc, false
 	}
 
diff --git a/container/container_contract.go b/container/container_contract.go
index 9a00a5a..3dbf928 100644
--- a/container/container_contract.go
+++ b/container/container_contract.go
@@ -267,7 +267,7 @@ func PutNamed(container []byte, signature interop.Signature,
 		contract.Call(neofsIDContractAddr, "addKey", contract.All, ownerID, [][]byte{publicKey})
 	}
 
-	runtime.Log("put: added new container")
+	runtime.Log("added new container")
 }
 
 // checkNiceNameAvailable checks if nice name is available for the container.
@@ -348,7 +348,7 @@ func Delete(containerID []byte, signature interop.Signature, token []byte) {
 		}
 	}
 	removeContainer(ctx, containerID, ownerID)
-	runtime.Log("delete: remove container")
+	runtime.Log("remove container")
 }
 
 // Get method returns structure that contains stable marshaled Container structure,
@@ -455,7 +455,7 @@ func SetEACL(eACL []byte, signature interop.Signature, publicKey interop.PublicK
 
 	common.SetSerialized(ctx, key, rule)
 
-	runtime.Log("setEACL: success")
+	runtime.Log("success")
 }
 
 // EACL method returns structure that contains stable marshaled EACLTable structure,
@@ -501,7 +501,7 @@ func PutContainerSize(epoch int, cid []byte, usedSize int, pubKey interop.Public
 
 	storage.Put(ctx, key, std.Serialize(s))
 
-	runtime.Log("container: saved container size estimation")
+	runtime.Log("saved container size estimation")
 }
 
 // GetContainerSize method returns container ID and slice of container
@@ -616,7 +616,7 @@ func StartContainerEstimation(epoch int) {
 	}
 
 	runtime.Notify("StartEstimation", epoch)
-	runtime.Log("startEstimation: notification has been produced")
+	runtime.Log("notification has been produced")
 }
 
 // StopContainerEstimation method produces StopEstimation notification.
@@ -654,7 +654,7 @@ func StopContainerEstimation(epoch int) {
 	}
 
 	runtime.Notify("StopEstimation", epoch)
-	runtime.Log("stopEstimation: notification has been produced")
+	runtime.Log("notification has been produced")
 }
 
 // Version returns version of the contract.
diff --git a/neofs/neofs_contract.go b/neofs/neofs_contract.go
index 7b10522..a46583a 100644
--- a/neofs/neofs_contract.go
+++ b/neofs/neofs_contract.go
@@ -178,7 +178,7 @@ func InnerRingCandidateRemove(key interop.PublicKey) {
 		if !common.BytesEqual(c.PublicKey, key) {
 			nodes = append(nodes, c)
 		} else {
-			runtime.Log("irCandidateRemove: candidate has been removed")
+			runtime.Log("candidate has been removed")
 		}
 	}
 
@@ -225,7 +225,7 @@ func InnerRingCandidateAdd(key interop.PublicKey) {
 		panic("failed to transfer funds, aborting")
 	}
 
-	runtime.Log("irCandidateAdd: candidate has been added")
+	runtime.Log("candidate has been added")
 	common.SetSerialized(ctx, candidatesKey, list)
 }
 
@@ -258,7 +258,7 @@ func OnNEP17Payment(from interop.Hash160, amount int, data interface{}) {
 		panic("invalid data argument, expected Hash160")
 	}
 
-	runtime.Log("onNEP17Payment: funds have been transferred")
+	runtime.Log("funds have been transferred")
 
 	tx := runtime.GetScriptContainer()
 	runtime.Notify("Deposit", from, amount, rcv, tx.Hash)
@@ -359,7 +359,7 @@ func Cheque(id []byte, user interop.Hash160, amount int, lockAcc []byte) {
 		panic("failed to transfer funds, aborting")
 	}
 
-	runtime.Log("cheque: funds have been transferred")
+	runtime.Log("funds have been transferred")
 	runtime.Notify("Cheque", id, user, amount, lockAcc)
 }
 
@@ -459,7 +459,7 @@ func AlphabetUpdate(id []byte, args []interop.PublicKey) {
 	common.SetSerialized(ctx, alphabetKey, newAlphabet)
 
 	runtime.Notify("AlphabetUpdate", id, newAlphabet)
-	runtime.Log("alphabetUpdate: alphabet list has been updated")
+	runtime.Log("alphabet list has been updated")
 }
 
 // Config returns configuration value of NeoFS configuration. If key does
@@ -505,7 +505,7 @@ func SetConfig(id, key, val []byte) {
 	setConfig(ctx, key, val)
 
 	runtime.Notify("SetConfig", id, key, val)
-	runtime.Log("setConfig: configuration has been updated")
+	runtime.Log("configuration has been updated")
 }
 
 // ListConfig returns array of structures that contain key and value of all
diff --git a/neofsid/neofsid_contract.go b/neofsid/neofsid_contract.go
index 3427ee7..5587ff3 100644
--- a/neofsid/neofsid_contract.go
+++ b/neofsid/neofsid_contract.go
@@ -140,7 +140,7 @@ func AddKey(owner []byte, keys []interop.PublicKey) {
 		common.RemoveVotes(ctx, id)
 	}
 
-	runtime.Log("addKey: key bound to the owner")
+	runtime.Log("key bound to the owner")
 }
 
 // RemoveKey unbinds provided public keys from OwnerID. Can be invoked only by
diff --git a/netmap/netmap_contract.go b/netmap/netmap_contract.go
index ce127ff..9b65db5 100644
--- a/netmap/netmap_contract.go
+++ b/netmap/netmap_contract.go
@@ -183,7 +183,7 @@ func UpdateInnerRing(keys []interop.PublicKey) {
 		common.RemoveVotes(ctx, id)
 	}
 
-	runtime.Log("updateInnerRing: inner ring list updated")
+	runtime.Log("inner ring list updated")
 	common.SetSerialized(ctx, innerRingKey, irList)
 }
 
@@ -291,7 +291,7 @@ func UpdateState(state int, publicKey interop.PublicKey) {
 	switch nodeState(state) {
 	case offlineState:
 		removeFromNetmap(ctx, publicKey)
-		runtime.Log("updateState: remove storage node from the network map")
+		runtime.Log("remove storage node from the network map")
 	default:
 		panic("unsupported state")
 	}
@@ -346,7 +346,7 @@ func NewEpoch(epochNum int) {
 	data0snapshot := getSnapshot(ctx, snapshot0Key)
 	dataOnlineState := filterNetmap(ctx, onlineState)
 
-	runtime.Log("newEpoch: process new epoch")
+	runtime.Log("process new epoch")
 
 	// todo: check if provided epoch number is bigger than current
 	storage.Put(ctx, snapshotEpoch, epochNum)
@@ -469,7 +469,7 @@ func SetConfig(id, key, val []byte) {
 
 	setConfig(ctx, key, val)
 
-	runtime.Log("setConfig: configuration has been updated")
+	runtime.Log("configuration has been updated")
 }
 
 // ListConfig returns array of structures that contain key and value of all