diff --git a/lightrag/api/__init__.py b/lightrag/api/__init__.py
index ceb80096..bfc99727 100644
--- a/lightrag/api/__init__.py
+++ b/lightrag/api/__init__.py
@@ -1 +1 @@
-__api_version__ = "0168"
+__api_version__ = "0169"
diff --git a/lightrag/api/routers/query_routes.py b/lightrag/api/routers/query_routes.py
index 81603487..600e680e 100644
--- a/lightrag/api/routers/query_routes.py
+++ b/lightrag/api/routers/query_routes.py
@@ -67,16 +67,6 @@ class QueryRequest(BaseModel):
         description="Maximum number of tokens allocated for entity descriptions in local retrieval.",
     )
 
-    hl_keywords: Optional[List[str]] = Field(
-        default=None,
-        description="List of high-level keywords to prioritize in retrieval.",
-    )
-
-    ll_keywords: Optional[List[str]] = Field(
-        default=None,
-        description="List of low-level keywords to refine retrieval focus.",
-    )
-
     conversation_history: Optional[List[Dict[str, Any]]] = Field(
         default=None,
         description="Stores past conversation history to maintain context. Format: [{'role': 'user/assistant', 'content': 'message'}].",
@@ -93,20 +83,6 @@ class QueryRequest(BaseModel):
     def query_strip_after(cls, query: str) -> str:
         return query.strip()
 
-    @field_validator("hl_keywords", mode="after")
-    @classmethod
-    def hl_keywords_strip_after(cls, hl_keywords: List[str] | None) -> List[str] | None:
-        if hl_keywords is None:
-            return None
-        return [keyword.strip() for keyword in hl_keywords]
-
-    @field_validator("ll_keywords", mode="after")
-    @classmethod
-    def ll_keywords_strip_after(cls, ll_keywords: List[str] | None) -> List[str] | None:
-        if ll_keywords is None:
-            return None
-        return [keyword.strip() for keyword in ll_keywords]
-
     @field_validator("conversation_history", mode="after")
     @classmethod
     def conversation_history_role_check(
diff --git a/lightrag_webui/src/api/lightrag.ts b/lightrag_webui/src/api/lightrag.ts
index da786529..5adeb8be 100644
--- a/lightrag_webui/src/api/lightrag.ts
+++ b/lightrag_webui/src/api/lightrag.ts
@@ -94,10 +94,6 @@ export type QueryRequest = {
   max_token_for_global_context?: number
   /** Maximum number of tokens allocated for entity descriptions in local retrieval. */
   max_token_for_local_context?: number
-  /** List of high-level keywords to prioritize in retrieval. */
-  hl_keywords?: string[]
-  /** List of low-level keywords to refine retrieval focus. */
-  ll_keywords?: string[]
   /**
    * Stores past conversation history to maintain context.
    * Format: [{"role": "user/assistant", "content": "message"}].
diff --git a/lightrag_webui/src/components/retrieval/QuerySettings.tsx b/lightrag_webui/src/components/retrieval/QuerySettings.tsx
index 723c1359..761d8e45 100644
--- a/lightrag_webui/src/components/retrieval/QuerySettings.tsx
+++ b/lightrag_webui/src/components/retrieval/QuerySettings.tsx
@@ -1,7 +1,6 @@
 import { useCallback } from 'react'
 import { QueryMode, QueryRequest } from '@/api/lightrag'
 // Removed unused import for Text component
-import Input from '@/components/ui/Input'
 import Checkbox from '@/components/ui/Checkbox'
 import NumberInput from '@/components/ui/NumberInput'
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/Card'
@@ -242,71 +241,6 @@ export default function QuerySettings() {
               </div>
             </>
 
-            {/* Keywords */}
-            <>
-              <>
-                <TooltipProvider>
-                  <Tooltip>
-                    <TooltipTrigger asChild>
-                      <label htmlFor="hl_keywords" className="ml-1 cursor-help">
-                        {t('retrievePanel.querySettings.hlKeywords')}
-                      </label>
-                    </TooltipTrigger>
-                    <TooltipContent side="left">
-                      <p>{t('retrievePanel.querySettings.hlKeywordsTooltip')}</p>
-                    </TooltipContent>
-                  </Tooltip>
-                </TooltipProvider>
-                <div>
-                  {/* Removed sr-only label */}
-                  <Input
-                    id="hl_keywords"
-                    type="text"
-                    value={querySettings.hl_keywords?.join(', ')}
-                    onChange={(e) => {
-                      const keywords = e.target.value
-                        .split(',')
-                        .map((k) => k.trim())
-                        .filter((k) => k !== '')
-                      handleChange('hl_keywords', keywords)
-                    }}
-                    placeholder={t('retrievePanel.querySettings.hlkeywordsPlaceHolder')}
-                  />
-                </div>
-              </>
-
-              <>
-                <TooltipProvider>
-                  <Tooltip>
-                    <TooltipTrigger asChild>
-                      <label htmlFor="ll_keywords" className="ml-1 cursor-help">
-                        {t('retrievePanel.querySettings.llKeywords')}
-                      </label>
-                    </TooltipTrigger>
-                    <TooltipContent side="left">
-                      <p>{t('retrievePanel.querySettings.llKeywordsTooltip')}</p>
-                    </TooltipContent>
-                  </Tooltip>
-                </TooltipProvider>
-                <div>
-                  {/* Removed sr-only label */}
-                  <Input
-                    id="ll_keywords"
-                    type="text"
-                    value={querySettings.ll_keywords?.join(', ')}
-                    onChange={(e) => {
-                      const keywords = e.target.value
-                        .split(',')
-                        .map((k) => k.trim())
-                        .filter((k) => k !== '')
-                      handleChange('ll_keywords', keywords)
-                    }}
-                    placeholder={t('retrievePanel.querySettings.hlkeywordsPlaceHolder')}
-                  />
-                </div>
-              </>
-            </>
-
             {/* Toggle Options */}
             <>
               <div className="flex items-center gap-2">