diff --git a/apps/ai-game-creator-shell/src/styles.css b/apps/ai-game-creator-shell/src/styles.css
index 68dd0c241..e0e6d2bea 100644
--- a/apps/ai-game-creator-shell/src/styles.css
+++ b/apps/ai-game-creator-shell/src/styles.css
@@ -6215,10 +6215,6 @@ iframe.preview-frame {
   font-size: 12px;
 }
 
-.game-resource-category-filter {
-  margin: 8px 12px 0;
-}
-
 .game-resource-classification-dialog {
   width: min(480px, 100%);
 }
diff --git a/apps/ai-game-creator-shell/src/view/project-development/index.tsx b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
index b6fde1e08..8967dd75c 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/index.tsx
+++ b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
@@ -61,7 +61,6 @@ import {
   type WheelEvent as ReactWheelEvent,
 } from 'react';
 
-import { PlatformResourceFilterBar } from '../../../../../packages/shared/src/components/PlatformResourceFilterBar';
 import type {
   GameCreationAppAgentGroup,
   GameCreationAppAssetManifestEntry,
@@ -70,10 +69,6 @@ import type {
   GameIterationVersion,
   ProjectResourceCanvasLayoutMode,
 } from '../../../../../packages/shared/src/contracts/gameCreationApp';
-import {
-  assetTagsMatchSelection,
-  buildGameCreationAppAssetTagLibrary,
-} from '../../../../../packages/shared/src/contracts/gameCreationAppAssetTagLibrary';
 import type {
   CanvasLayer,
   QuickEditPanelState,
@@ -88,9 +83,7 @@ import {
 } from '../../features/project-workspace/LocalGamePreviewFrame';
 import {
   dispatchResourceReferenceInsert,
-  RESOURCE_REFERENCE_FILTERS,
   resourceReferenceCategoryLabel,
-  type ResourceReferenceFilter,
 } from '../../features/project-workspace/resourceReferences';
 import { GameRunVersionPicker } from '../../features/resource-canvas/GameRunVersionPicker';
 import {
@@ -366,15 +359,6 @@ type ResourceCanvasViewportBySortMode = Record<
   ResourceSortMode,
   ResourceCanvasViewportByCategory
 >;
-/** 功能分类筛选与画布视口一样按「按依赖 / 按类型」分别保存，不新造第二套状态。 */
-type ResourceCanvasCategoryFilterBySortMode = Record<
-  ResourceSortMode,
-  ResourceReferenceFilter
->;
-
-function defaultResourceCanvasCategoryFilters(): ResourceCanvasCategoryFilterBySortMode {
-  return { dependency: 'all', type: 'all' };
-}
 
 function defaultResourceCanvasViewports(): ResourceCanvasViewportBySortMode {
   const byCategory = (): ResourceCanvasViewportByCategory => ({
@@ -1267,17 +1251,6 @@ export default function ProjectDevelopmentView({
   );
   const [sortMode, setSortMode] = useState<ResourceSortMode>('dependency');
   const [searchText, setSearchText] = useState('');
-  const [resourceCanvasCategoryFilters, setResourceCanvasCategoryFilters] =
-    useState<ResourceCanvasCategoryFilterBySortMode>(
-      defaultResourceCanvasCategoryFilters,
-    );
-  /**
-   * 画布标签筛选：与「按依赖 / 按类型」无关，是画布级的收窄条件；
-   * 与 `@` 面板、参考图弹窗的筛选状态互相独立。
-   */
-  const [resourceCanvasActiveTags, setResourceCanvasActiveTags] = useState<
-    string[]
-  >([]);
   const [resourceCanvasViewports, setResourceCanvasViewports] =
     useState<ResourceCanvasViewportBySortMode>(defaultResourceCanvasViewports);
   const resourceCanvasViewportTargetsRef = useRef(
@@ -1963,45 +1936,23 @@ export default function ProjectDevelopmentView({
     );
   }, [resources, selectedResourceId]);
   const normalizedSearch = searchText.trim().toLowerCase();
-  const resourceCategoryFilter = resourceCanvasCategoryFilters[sortMode];
-  /** 标签库是从 manifest `assets[].tags` 派生的数据，manifest 一改就重算。 */
-  const resourceTagLibrary = useMemo(
-    () => buildGameCreationAppAssetTagLibrary(manifest.assets),
-    [manifest.assets],
-  );
+  /**
+   * 画布可见资源只由搜索框收窄：功能分类筛选条与画布标签筛选已按用户要求移除，
+   * 分区栏目本身（`categoryOrder` / 栏目大纲 / 栏目标题栏）不受影响。
+   */
   const visibleResources = useMemo(
     () =>
-      canvasResources.filter((resource) => {
-        if (
-          resourceCategoryFilter !== 'all' &&
-          projectResourceAssetCategory(resource) !== resourceCategoryFilter
-        ) {
-          return false;
-        }
-        // 标签筛选与功能分类筛选共存且可叠加：分类过了还得命中全部已选标签。
-        if (
-          !assetTagsMatchSelection(
-            resource.assetTags ?? [],
-            resourceCanvasActiveTags,
-          )
-        ) {
-          return false;
-        }
-        return normalizedSearch
+      canvasResources.filter((resource) =>
+        normalizedSearch
           ? [
               resource.label,
               resource.path,
               resource.mediaType,
               resource.taskTitle ?? '',
             ].some((value) => value.toLowerCase().includes(normalizedSearch))
-          : true;
-      }),
-    [
-      canvasResources,
-      normalizedSearch,
-      resourceCanvasActiveTags,
-      resourceCategoryFilter,
-    ],
+          : true,
+      ),
+    [canvasResources, normalizedSearch],
   );
   const visibleResourceIds = useMemo(
     () => new Set(visibleResources.map((resource) => resource.id)),
@@ -4329,18 +4280,6 @@ export default function ProjectDevelopmentView({
     setSortMode(nextMode);
   }
 
-  function showResourceCategoryFilter(nextFilter: ResourceReferenceFilter) {
-    if (nextFilter === resourceCategoryFilter) {
-      return;
-    }
-    advanceFocusGeneration();
-    setHiddenCommittedResourceId(null);
-    setResourceCanvasCategoryFilters((current) => ({
-      ...current,
-      [sortMode]: nextFilter,
-    }));
-  }
-
   const openUiDesignEditor = useCallback(
     async (resource: ProjectResource) => {
       const prototypeAssetId = resource.manifestAssetId;
@@ -5823,22 +5762,6 @@ export default function ProjectDevelopmentView({
                       }}
                     />
                   </label>
-                  <PlatformResourceFilterBar
-                    ariaLabel="资源筛选"
-                    categoryItems={RESOURCE_REFERENCE_FILTERS}
-                    activeCategoryId={resourceCategoryFilter}
-                    onCategoryChange={showResourceCategoryFilter}
-                    tagItems={resourceTagLibrary}
-                    activeTags={resourceCanvasActiveTags}
-                    onToggleTag={(tag) => {
-                      setResourceCanvasActiveTags((current) =>
-                        current.includes(tag)
-                          ? current.filter((item) => item !== tag)
-                          : [...current, tag],
-                      );
-                    }}
-                    className="game-resource-category-filter"
-                  />
                   {resourceWorkbenchNotice ? (
                     <div className="game-resource-live-notice" role="status">
                       <span>{resourceWorkbenchNotice}</span>