diff --git a/apps/sim/tools/slack/message_reader.ts b/apps/sim/tools/slack/message_reader.ts
index 9514db65b..317040923 100644
--- a/apps/sim/tools/slack/message_reader.ts
+++ b/apps/sim/tools/slack/message_reader.ts
@@ -80,8 +80,6 @@ export const slackMessageReaderTool: ToolConfig<
       'Content-Type': 'application/json',
     }),
     body: (params: SlackMessageReaderParams) => {
-      // Agent tool: uses destinationType + dmUserId
-      // Standalone block: no destinationType, sets userId directly
       const isDM = params.destinationType === 'dm'
       return {
         accessToken: params.accessToken || params.botToken,