diff --git a/src/opFunctions.ts b/src/opFunctions.ts
index 569d1c4..ab29e10 100644
--- a/src/opFunctions.ts
+++ b/src/opFunctions.ts
@@ -937,24 +937,24 @@ export const opFunctions = (word: string, stackDataList: WizDataList, opCodes: O
     if (mainStackDataArrayLength < 1) throw "OP_CHECKLOCKTIMEVERIFY Error: stack data array must include min 1 data!";
     let isStackFailed: boolean = false;
 
-    const addDataArray: WizData[] = [locktime.checkLockTimeVerify(mainStackDataArray[mainStackDataArrayLength - 1])];
+    locktime.checkLockTimeVerify(mainStackDataArray[mainStackDataArrayLength - 1]);
 
     const removeLastSize: number = 0;
     const alt = { removeLastStackData: false };
 
-    return { main: { addDataArray, removeLastSize }, alt, isStackFailed };
+    return { main: { addDataArray: [], removeLastSize }, alt, isStackFailed };
   }
 
   if (word === "OP_CHECKSEQUENCEVERIFY") {
     if (mainStackDataArrayLength < 1) throw "OP_CHECKSEQUENCEVERIFY Error: stack data array must include min 1 data!";
     let isStackFailed: boolean = false;
 
-    const addDataArray: WizData[] = [locktime.checkSequenceVerify(mainStackDataArray[mainStackDataArrayLength - 1])];
+    locktime.checkSequenceVerify(mainStackDataArray[mainStackDataArrayLength - 1]);
 
     const removeLastSize: number = 0;
     const alt = { removeLastStackData: false };
 
-    return { main: { addDataArray, removeLastSize }, alt, isStackFailed };
+    return { main: { addDataArray: [], removeLastSize }, alt, isStackFailed };
   }
 
   /*