diff --git a/src/commonTest/kotlin/StorageTest.kt b/src/commonTest/kotlin/StorageTest.kt
index 929fca4..251d737 100644
--- a/src/commonTest/kotlin/StorageTest.kt
+++ b/src/commonTest/kotlin/StorageTest.kt
@@ -74,12 +74,13 @@ class StorageTest {
         val c1 = EncryptedKVStorage(plain, SymmetricKey.new(), removeExisting = false)  // 1
         c1.write("hello", "world")
         assertFailsWith<DecryptionFailedException> {
-            val c2 = EncryptedKVStorage(plain, SymmetricKey.new(), removeExisting = false)  // 2
+            EncryptedKVStorage(plain, SymmetricKey.new(), removeExisting = false)  // 2
         }
-        val c2 = EncryptedKVStorage(plain, SymmetricKey.new(), removeExisting = true)  // 2
+        EncryptedKVStorage(plain, SymmetricKey.new(), removeExisting = true)  // 2
     }
 }
 
+@Suppress("unused")
 fun KVStorage.dump() {
     for (k in keys)
         println("$k: ${this[k]?.toDump()}")