diff --git a/src/utils/parseArguments.ts b/src/utils/parseArguments.ts
index ce07476..f12787d 100644
--- a/src/utils/parseArguments.ts
+++ b/src/utils/parseArguments.ts
@@ -1,12 +1,11 @@
-import type { CFXCallback, CFXParameters } from '../types';
+import type { CFXParameters } from '../types';
 import { convertNamedPlaceholders } from '../config';
 
 export const parseArguments = (
   invokingResource: string,
   query: string,
-  parameters?: CFXParameters,
-  cb?: CFXCallback
-): [string, CFXParameters, CFXCallback | undefined] => {
+  parameters?: CFXParameters
+): [string, CFXParameters] => {
   if (convertNamedPlaceholders && parameters && typeof parameters === 'object' && !Array.isArray(parameters))
     if (query.includes(':') || query.includes('@')) {
       const placeholders = convertNamedPlaceholders(query, parameters);
@@ -14,12 +13,7 @@ export const parseArguments = (
       parameters = placeholders[1];
     }
 
-  if (cb && typeof cb !== 'function') cb = undefined;
-
-  if (parameters && typeof parameters === 'function') {
-    cb = parameters;
-    parameters = [];
-  } else if (parameters === null || parameters === undefined) parameters = [];
+  if (!parameters || typeof parameters === 'function') parameters = [];
 
   if (parameters && !Array.isArray(parameters)) {
     let arr: unknown[] = [];
@@ -31,7 +25,7 @@ export const parseArguments = (
     if (queryParams !== null) {
       if (parameters.length === 0) {
         for (let i = 0; i < queryParams.length; i++) parameters[i] = null;
-        return [query, parameters, cb];
+        return [query, parameters];
       }
       const diff = queryParams.length - parameters.length;
 
@@ -47,5 +41,5 @@ export const parseArguments = (
     }
   }
 
-  return [query, parameters, cb];
+  return [query, parameters];
 };
diff --git a/src/utils/parseExecute.ts b/src/utils/parseExecute.ts
index 38b961b..de03fbd 100644
--- a/src/utils/parseExecute.ts
+++ b/src/utils/parseExecute.ts
@@ -14,6 +14,10 @@ export const executeType = (query: string) => {
 };
 
 export const parseExecute = (placeholders: number, parameters: CFXParameters) => {
+  const parametersType = typeof parameters;
+
+  if (!parameters || parametersType !== 'object') return [];
+
   if (!Array.isArray(parameters)) {
     if (typeof parameters === 'object') {
       const arr: unknown[] = [];
diff --git a/src/utils/parseTransaction.ts b/src/utils/parseTransaction.ts
index 59396db..03bd614 100644
--- a/src/utils/parseTransaction.ts
+++ b/src/utils/parseTransaction.ts
@@ -1,22 +1,13 @@
-import { CFXCallback, CFXParameters, TransactionQuery } from '../types';
+import { CFXParameters, TransactionQuery } from '../types';
 import { parseArguments } from './parseArguments';
 
 const isTransactionQuery = (query: TransactionQuery | string): query is TransactionQuery =>
   (query as TransactionQuery).query !== undefined;
 
-export const parseTransaction = (
-  invokingResource: string,
-  queries: TransactionQuery,
-  parameters: CFXParameters,
-  cb?: CFXCallback
-) => {
+export const parseTransaction = (invokingResource: string, queries: TransactionQuery, parameters: CFXParameters) => {
   if (!Array.isArray(queries)) throw new Error(`Transaction queries must be array, received '${typeof queries}'.`);
 
-  if (cb && typeof cb !== 'function') cb = undefined;
-
-  if (parameters && typeof parameters === 'function') cb = parameters;
-
-  if (parameters === null || parameters === undefined || typeof parameters === 'function') parameters = [];
+  if (!parameters || typeof parameters === 'function') parameters = [];
 
   if (Array.isArray(queries[0])) {
     const transactions = queries.map((query) => {
@@ -27,7 +18,7 @@ export const parseTransaction = (
       return { query: parsedQuery, params: parsedParameters };
     });
 
-    return { transactions, cb };
+    return transactions;
   }
 
   const transactions = queries.map((query) => {
@@ -44,5 +35,5 @@ export const parseTransaction = (
     return { query: parsedQuery, params: parsedParameters };
   });
 
-  return { transactions, cb };
+  return transactions;
 };
diff --git a/src/utils/setCallback.ts b/src/utils/setCallback.ts
new file mode 100644
index 0000000..398d2c7
--- /dev/null
+++ b/src/utils/setCallback.ts
@@ -0,0 +1,6 @@
+import type { CFXCallback, CFXParameters } from '../types';
+
+export const setCallback = (parameters?: CFXParameters | CFXCallback, cb?: CFXCallback) => {
+  if (cb && typeof cb === 'function') return cb;
+  if (parameters && typeof parameters === 'function') return parameters;
+};