diff --git a/web-app/src/hooks/__tests__/useModelSources.test.ts b/web-app/src/hooks/__tests__/useModelSources.test.ts
index a14a8107f..d010f7f8a 100644
--- a/web-app/src/hooks/__tests__/useModelSources.test.ts
+++ b/web-app/src/hooks/__tests__/useModelSources.test.ts
@@ -49,7 +49,6 @@ describe('useModelSources', () => {
     expect(result.current.error).toBe(null)
     expect(result.current.loading).toBe(false)
     expect(typeof result.current.fetchSources).toBe('function')
-    expect(typeof result.current.addSource).toBe('function')
   })
 
   describe('fetchSources', () => {
@@ -225,153 +224,6 @@ describe('useModelSources', () => {
     })
   })
 
-  describe('addSource', () => {
-    it('should add a new source to the store', () => {
-      const { result } = renderHook(() => useModelSources())
-
-      const testModel: CatalogModel = {
-        model_name: 'test-model',
-        description: 'Test model description',
-        developer: 'test-developer',
-        downloads: 100,
-        num_quants: 2,
-        quants: [
-          {
-            model_id: 'test-model-q4',
-            path: 'https://example.com/test-model-q4.gguf',
-            file_size: '2.0 GB',
-          },
-        ],
-        created_at: '2023-01-01T00:00:00Z',
-      }
-
-      act(() => {
-        result.current.addSource(testModel)
-      })
-
-      expect(result.current.sources).toHaveLength(1)
-      expect(result.current.sources[0]).toEqual(testModel)
-    })
-
-    it('should replace existing source with same model_name', () => {
-      const { result } = renderHook(() => useModelSources())
-
-      const originalModel: CatalogModel = {
-        model_name: 'duplicate-model',
-        description: 'Original description',
-        developer: 'original-developer',
-        downloads: 50,
-        num_quants: 1,
-        quants: [],
-        created_at: '2023-01-01T00:00:00Z',
-      }
-
-      const updatedModel: CatalogModel = {
-        model_name: 'duplicate-model',
-        description: 'Updated description',
-        developer: 'updated-developer',
-        downloads: 150,
-        num_quants: 2,
-        quants: [
-          {
-            model_id: 'duplicate-model-q4',
-            path: 'https://example.com/duplicate-model-q4.gguf',
-            file_size: '3.0 GB',
-          },
-        ],
-        created_at: '2023-02-01T00:00:00Z',
-      }
-
-      act(() => {
-        result.current.addSource(originalModel)
-      })
-
-      expect(result.current.sources).toHaveLength(1)
-
-      act(() => {
-        result.current.addSource(updatedModel)
-      })
-
-      expect(result.current.sources).toHaveLength(1)
-      expect(result.current.sources[0]).toEqual(updatedModel)
-    })
-
-    it('should handle multiple different sources', () => {
-      const { result } = renderHook(() => useModelSources())
-
-      const model1: CatalogModel = {
-        model_name: 'model-1',
-        description: 'First model',
-        developer: 'developer-1',
-        downloads: 100,
-        num_quants: 1,
-        quants: [],
-        created_at: '2023-01-01T00:00:00Z',
-      }
-
-      const model2: CatalogModel = {
-        model_name: 'model-2',
-        description: 'Second model',
-        developer: 'developer-2',
-        downloads: 200,
-        num_quants: 1,
-        quants: [],
-        created_at: '2023-01-02T00:00:00Z',
-      }
-
-      act(() => {
-        result.current.addSource(model1)
-      })
-
-      act(() => {
-        result.current.addSource(model2)
-      })
-
-      expect(result.current.sources).toHaveLength(2)
-      expect(result.current.sources).toContainEqual(model1)
-      expect(result.current.sources).toContainEqual(model2)
-    })
-
-    it('should handle CatalogModel with complete quants data', () => {
-      const { result } = renderHook(() => useModelSources())
-
-      const modelWithQuants: CatalogModel = {
-        model_name: 'model-with-quants',
-        description: 'Model with quantizations',
-        developer: 'quant-developer',
-        downloads: 500,
-        num_quants: 3,
-        quants: [
-          {
-            model_id: 'model-q4_k_m',
-            path: 'https://example.com/model-q4_k_m.gguf',
-            file_size: '2.0 GB',
-          },
-          {
-            model_id: 'model-q8_0',
-            path: 'https://example.com/model-q8_0.gguf',
-            file_size: '4.0 GB',
-          },
-          {
-            model_id: 'model-f16',
-            path: 'https://example.com/model-f16.gguf',
-            file_size: '8.0 GB',
-          },
-        ],
-        created_at: '2023-01-01T00:00:00Z',
-        readme: 'https://example.com/readme.md',
-      }
-
-      act(() => {
-        result.current.addSource(modelWithQuants)
-      })
-
-      expect(result.current.sources).toHaveLength(1)
-      expect(result.current.sources[0]).toEqual(modelWithQuants)
-      expect(result.current.sources[0].quants).toHaveLength(3)
-    })
-  })
-
   describe('state management', () => {
     it('should maintain state across multiple hook instances', () => {
       const { result: result1 } = renderHook(() => useModelSources())