diff --git a/modules/local-kms/src/commonMain/kotlin/com/sphereon/oid/fed/kms/local/LocalKmsDatabase.kt b/modules/local-kms/src/commonMain/kotlin/com/sphereon/oid/fed/kms/local/LocalKmsDatabase.kt
index 3ca459a6..98cc7901 100644
--- a/modules/local-kms/src/commonMain/kotlin/com/sphereon/oid/fed/kms/local/LocalKmsDatabase.kt
+++ b/modules/local-kms/src/commonMain/kotlin/com/sphereon/oid/fed/kms/local/LocalKmsDatabase.kt
@@ -5,7 +5,6 @@ import com.sphereon.oid.fed.kms.local.models.Keys
 expect class LocalKmsDatabase {
     fun getKey(keyId: String): Keys
     fun insertKey(keyId: String, privateKey: ByteArray, publicKey: ByteArray, algorithm: String)
-    fun updateKey(keyId: String, privateKey: ByteArray, publicKey: ByteArray, algorithm: String)
     fun deleteKey(keyId: String)
 }
 
diff --git a/modules/local-kms/src/commonMain/sqldelight/com/sphereon/oid/fed/kms/local/models/1.sqm b/modules/local-kms/src/commonMain/sqldelight/com/sphereon/oid/fed/kms/local/models/1.sqm
index b0d5435c..6bf90ee4 100644
--- a/modules/local-kms/src/commonMain/sqldelight/com/sphereon/oid/fed/kms/local/models/1.sqm
+++ b/modules/local-kms/src/commonMain/sqldelight/com/sphereon/oid/fed/kms/local/models/1.sqm
@@ -2,5 +2,6 @@ CREATE TABLE Keys (
     id TEXT PRIMARY KEY,
     private_key BYTEA NOT NULL,
     public_key BYTEA NOT NULL,
-    algorithm TEXT NOT NULL
+    algorithm TEXT NOT NULL,
+    deleted_at TIMESTAMP
 );
\ No newline at end of file
diff --git a/modules/local-kms/src/commonMain/sqldelight/com/sphereon/oid/fed/kms/local/models/Keys.sq b/modules/local-kms/src/commonMain/sqldelight/com/sphereon/oid/fed/kms/local/models/Keys.sq
index 6dcb3c63..34956c85 100644
--- a/modules/local-kms/src/commonMain/sqldelight/com/sphereon/oid/fed/kms/local/models/Keys.sq
+++ b/modules/local-kms/src/commonMain/sqldelight/com/sphereon/oid/fed/kms/local/models/Keys.sq
@@ -6,3 +6,6 @@ INSERT INTO Keys (id, private_key, public_key, algorithm) VALUES (?, ?, ?, ?) RE
 
 findById:
 SELECT * FROM Keys WHERE id = ?;
+
+delete:
+UPDATE Keys SET deleted_at = CURRENT_TIMESTAMP WHERE id = ?;
\ No newline at end of file
diff --git a/modules/local-kms/src/jvmMain/kotlin/com/sphereon/oid/fed/kms/local/LocalKmsDatabase.jvm.kt b/modules/local-kms/src/jvmMain/kotlin/com/sphereon/oid/fed/kms/local/LocalKmsDatabase.jvm.kt
index 04d10c28..261b7a5a 100644
--- a/modules/local-kms/src/jvmMain/kotlin/com/sphereon/oid/fed/kms/local/LocalKmsDatabase.jvm.kt
+++ b/modules/local-kms/src/jvmMain/kotlin/com/sphereon/oid/fed/kms/local/LocalKmsDatabase.jvm.kt
@@ -8,7 +8,7 @@ import com.sphereon.oid.fed.persistence.database.PlatformSqlDriver
 
 actual class LocalKmsDatabase {
 
-    var database: Database
+    private var database: Database
 
     init {
         val driver = getDriver()
@@ -35,13 +35,7 @@ actual class LocalKmsDatabase {
         database.keysQueries.create(keyId, privateKey, publicKey, algorithm).executeAsOneOrNull()
     }
 
-    actual fun updateKey(
-        keyId: String, privateKey: ByteArray, publicKey: ByteArray, algorithm: String
-    ) {
-        TODO("Not yet implemented")
-    }
-
     actual fun deleteKey(keyId: String) {
-        TODO("Not yet implemented")
+        database.keysQueries.delete(keyId)
     }
 }