diff --git a/CHANGELOG.md b/CHANGELOG.md
index d354e209..7505cfe5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ Changelog for NeoFS Contract
 ### Updated
 
 ### Removed
+- old unused (notary-disabled) events
 
 ### Fixed
 - migration of non-notary network to notarized one with stale votes
diff --git a/container/config.yml b/container/config.yml
index 73f77126..026efa88 100644
--- a/container/config.yml
+++ b/container/config.yml
@@ -4,44 +4,16 @@ permissions:
   - methods: ["update", "addKey", "transferX",
                "register", "addRecord", "deleteRecords"]
 events:
-  - name: containerPut
-    parameters:
-      - name: container
-        type: ByteArray
-      - name: signature
-        type: Signature
-      - name: publicKey
-        type: PublicKey
-      - name: token
-        type: ByteArray
   - name: PutSuccess
     parameters:
       - name: containerID
         type: Hash256
       - name: publicKey
         type: PublicKey
-  - name: containerDelete
-    parameters:
-      - name: containerID
-        type: ByteArray
-      - name: signature
-        type: Signature
-      - name: token
-        type: ByteArray
   - name: DeleteSuccess
     parameters:
       - name: containerID
         type: ByteArray
-  - name: setEACL
-    parameters:
-      - name: eACL
-        type: ByteArray
-      - name: signature
-        type: Signature
-      - name: publicKey
-        type: PublicKey
-      - name: token
-        type: ByteArray
   - name: SetEACLSuccess
     parameters:
       - name: containerID
diff --git a/netmap/config.yml b/netmap/config.yml
index 407e7f68..4cfe858b 100644
--- a/netmap/config.yml
+++ b/netmap/config.yml
@@ -3,20 +3,10 @@ safemethods: ["innerRingList", "epoch", "netmap", "netmapCandidates", "snapshot"
 permissions:
   - methods: ["update", "newEpoch"]
 events:
-  - name: AddPeer
-    parameters:
-      - name: nodeInfo
-        type: ByteArray
   - name: AddPeerSuccess
     parameters:
       - name: publicKey
         type: PublicKey
-  - name: UpdateState
-    parameters:
-      - name: state
-        type: Integer
-      - name: publicKey
-        type: PublicKey
   - name: UpdateStateSuccess
     parameters:
       - name: publicKey
diff --git a/reputation/config.yml b/reputation/config.yml
index ce8ded01..b68ec6ad 100644
--- a/reputation/config.yml
+++ b/reputation/config.yml
@@ -3,11 +3,3 @@ safemethods: ["get", "getByID", "listByEpoch"]
 permissions:
   - methods: ["update"]
 events:
-  - name: reputationPut
-    parameters:
-      - name: epoch
-        type: Integer
-      - name: peerID
-        type: ByteArray
-      - name: value
-        type: ByteArray
diff --git a/reputation/reputation_contract.go b/reputation/reputation_contract.go
index 4e597aa3..60c2f2d1 100644
--- a/reputation/reputation_contract.go
+++ b/reputation/reputation_contract.go
@@ -85,7 +85,7 @@ func Update(script []byte, manifest []byte, data interface{}) {
 }
 
 // Put method saves DataAuditResult in contract storage. It can be invoked only by
-// Inner Ring nodes. It does not require multisignature invocations.
+// storage nodes with Alphabet assistance (multisignature witness).
 //
 // Epoch is the epoch number when DataAuditResult structure was generated.
 // PeerID contains public keys of the Inner Ring node that has produced DataAuditResult.
@@ -94,12 +94,7 @@ func Put(epoch int, peerID []byte, value []byte) {
 	ctx := storage.GetContext()
 
 	multiaddr := common.AlphabetAddress()
-	alphabetCall := runtime.CheckWitness(multiaddr)
-
-	if !alphabetCall {
-		runtime.Notify("reputationPut", epoch, peerID, value)
-		return
-	}
+	common.CheckAlphabetWitness(multiaddr)
 
 	id := storageID(epoch, peerID)
 
diff --git a/subnet/config.yml b/subnet/config.yml
index a73f086f..eae19734 100644
--- a/subnet/config.yml
+++ b/subnet/config.yml
@@ -3,14 +3,6 @@ safemethods: ["version"]
 permissions:
   - methods: ["update"]
 events:
-  - name: Put
-    parameters:
-      - name: id
-        type: ByteArray
-      - name: ownerKey
-        type: PublicKey
-      - name: info
-        type: ByteArray
   - name: Delete
     parameters:
         - name: id