diff --git a/lib/commands/SETBIT.ts b/lib/commands/SETBIT.ts
index 0cd41d1b97..33b2ff1a83 100644
--- a/lib/commands/SETBIT.ts
+++ b/lib/commands/SETBIT.ts
@@ -1,8 +1,9 @@
+import { TransformArgumentsReply } from '.';
 import { BitValue, transformReplyBit } from './generic-transformers';
 
 export const FIRST_KEY_INDEX = 1;
 
-export function transformArguments(key: string, offset: number, value: BitValue) {
+export function transformArguments(key: string, offset: number, value: BitValue): TransformArgumentsReply {
     return ['SETBIT', key, offset.toString(), value.toString()];
 }
 
diff --git a/lib/commands/index.ts b/lib/commands/index.ts
index 6e5310b811..2c1a02d224 100644
--- a/lib/commands/index.ts
+++ b/lib/commands/index.ts
@@ -743,9 +743,9 @@ export type TransformArgumentsReply = Array<string | Buffer> & { preserve?: unkn
 export interface RedisCommand {
     FIRST_KEY_INDEX?: number | ((...args: Array<any>) => string);
     IS_READ_ONLY?: boolean;
-    transformArguments(...args: Array<any>): TransformArgumentsReply;
+    transformArguments(this: void, zpte...args: Array<any>): TransformArgumentsReply;
     BUFFER_MODE?: boolean;
-    transformReply(reply: RedisReply, preserved?: unknown): any;
+    transformReply(this: void, reply: RedisReply, preserved?: unknown): any;
 }
 
 export interface RedisCommands {
diff --git a/lib/test-utils.ts b/lib/test-utils.ts
index f68857d61e..8468592369 100644
--- a/lib/test-utils.ts
+++ b/lib/test-utils.ts
@@ -1,7 +1,5 @@
 import { strict as assert } from 'assert';
 import RedisClient, { RedisClientType } from './client';
-import { RedisModules } from './commands';
-import { RedisLuaScripts } from './lua-script';
 import { execSync, spawn } from 'child_process';
 import { once } from 'events';
 import { RedisSocketOptions } from './socket';
@@ -370,4 +368,4 @@ export async function waitTillBeenCalled(spy: SinonSpy): Promise<void> {
 
         await promiseTimeout(1);
     } while (spy.callCount === calls)
-}
\ No newline at end of file
+}