diff --git a/src/core/operations/AESDecrypt.mjs b/src/core/operations/AESDecrypt.mjs
index 8e16515b..b3381b01 100644
--- a/src/core/operations/AESDecrypt.mjs
+++ b/src/core/operations/AESDecrypt.mjs
@@ -126,7 +126,6 @@ class AESDecrypt extends Operation {
                 }
             }
             if (targetKeySize !== 0) {
-                const originalLength = key.length;
                 key = key.padEnd(targetKeySize, keyPadding == "Null" ? "\0" : key);
             }
         }
diff --git a/src/core/operations/AESEncrypt.mjs b/src/core/operations/AESEncrypt.mjs
index 42fb7b84..219dd007 100644
--- a/src/core/operations/AESEncrypt.mjs
+++ b/src/core/operations/AESEncrypt.mjs
@@ -119,8 +119,7 @@ class AESEncrypt extends Operation {
                 }
             }
             if (targetKeySize !== 0) {
-                const originalLength = key.length;
-                key = key.padEnd(targetKeySize, keyPadding == "Null" ? "\0" : key);
+                key = key.padEnd(targetKeySize, keyPadding === "Null" ? "\0" : key);
             }
         }