diff --git a/src/tools/delegate-task/constants.ts b/src/tools/delegate-task/constants.ts
index 510bcf80d..bff305b13 100644
--- a/src/tools/delegate-task/constants.ts
+++ b/src/tools/delegate-task/constants.ts
@@ -325,7 +325,7 @@ export const PLAN_AGENT_NAMES = ["plan"]
 export function isPlanAgent(agentName: string | undefined): boolean {
   if (!agentName) return false
   const lowerName = agentName.toLowerCase().trim()
-  return PLAN_AGENT_NAMES.some(name => lowerName === name || lowerName.includes(name))
+  return PLAN_AGENT_NAMES.some(name => lowerName === name)
 }
 
 /**
@@ -342,7 +342,5 @@ export function isPlanFamily(category: string | undefined): boolean
 export function isPlanFamily(category: string | undefined): boolean {
   if (!category) return false
   const lowerCategory = category.toLowerCase().trim()
-  return PLAN_FAMILY_NAMES.some(
-    (name) => lowerCategory === name || lowerCategory.includes(name)
-  )
+  return PLAN_FAMILY_NAMES.some((name) => lowerCategory === name)
 }