diff --git a/src/hooks/use-onboarding.ts b/src/hooks/use-onboarding.ts
index 95ce4b3fb..1c5c63c9c 100644
--- a/src/hooks/use-onboarding.ts
+++ b/src/hooks/use-onboarding.ts
@@ -8,7 +8,6 @@ interface OnboardingState {
     setOnboardingComplete: () => void;
     startTour: () => void;
     stopTour: () => void;
-    resetOnboarding: () => void;
 }
 
 export const useOnboardingStore = create<OnboardingState>()(
@@ -19,7 +18,6 @@ export const useOnboardingStore = create<OnboardingState>()(
             setOnboardingComplete: () => set({ hasCompletedOnboarding: true, isTourRunning: false }),
             startTour: () => set({ isTourRunning: true }),
             stopTour: () => set({ isTourRunning: false }),
-            resetOnboarding: () => set({ hasCompletedOnboarding: false, isTourRunning: false }),
         }),
         {
             name: 'debate-trainer-onboarding',
diff --git a/src/lib/ai/providers/types.ts b/src/lib/ai/providers/types.ts
index 6b8ddfcee..4364ddb2d 100644
--- a/src/lib/ai/providers/types.ts
+++ b/src/lib/ai/providers/types.ts
@@ -16,22 +16,6 @@ export interface AIModel {
   isProOnly?: boolean;
 }
 
-export interface AIRequest {
-  systemPrompt: string;
-  userPrompt: string;
-  temperature?: number;
-  maxTokens?: number;
-  responseFormat?: 'json' | 'text';
-}
-
-export interface AIResponse {
-  content: string;
-  model: string;
-  provider: string;
-  latency: number;
-  tokensUsed?: number;
-}
-
 export interface ProviderConfig {
   provider: string;
   model: string;
diff --git a/src/lib/stores/session-store.ts b/src/lib/stores/session-store.ts
index e0c14f68e..f681fa378 100644
--- a/src/lib/stores/session-store.ts
+++ b/src/lib/stores/session-store.ts
@@ -137,7 +137,6 @@ interface SessionState {
   updateSource: (id: string, patch: Partial<Omit<Source, 'id' | 'createdAt'>>) => Promise<void>;
   renameSourceFolder: (oldName: string, newName: string) => Promise<void>;
   deleteSourceFolder: (name: string, mode: 'empty-only' | 'move-to-general') => Promise<void>;
-  moveSourceToFolder: (sourceId: string, folder: string) => Promise<void>;
   setFolderActive: (folder: string, isActive: boolean) => Promise<void>;
   removeSource: (id: string) => Promise<void>;
   toggleSource: (id: string) => Promise<void>;
@@ -553,9 +552,6 @@ export const useSessionStore = create<SessionState>()(
         );
         applyDelete();
       },
-      moveSourceToFolder: async (sourceId, folder) => {
-        await get().updateSource(sourceId, { folder });
-      },
       setFolderActive: async (folder, isActive) => {
         const normalized = normalizeFolder(folder);
         const userId = await getUserId();
diff --git a/src/lib/supabase/env.ts b/src/lib/supabase/env.ts
index 12fb48a46..7213e5d31 100644
--- a/src/lib/supabase/env.ts
+++ b/src/lib/supabase/env.ts
@@ -39,4 +39,3 @@ const active = getActiveEnv();
 
 export const SUPABASE_URL = ENVS[active].url;
 export const SUPABASE_ANON_KEY = ENVS[active].anonKey;
-export const IS_STAGING = active === 'staging';