diff --git a/server/routes/apps/[id].delete.ts b/server/routes/apps/[id].delete.ts
index c2f10d3..90eab08 100644
--- a/server/routes/apps/[id].delete.ts
+++ b/server/routes/apps/[id].delete.ts
@@ -1,9 +1,9 @@
 import AppServices from '~~/server/services/appServices';
 
 export default defineEventHandler(async (event) => {
-  const deleted = await new AppServices(event).delete(
+  await new AppServices(event).delete(
     event.context.params?.id ?? ''
   );
 
-  return deleted;
+  return null;
 });
diff --git a/server/routes/models/[id].delete.ts b/server/routes/models/[id].delete.ts
index 05de52a..bd9c262 100644
--- a/server/routes/models/[id].delete.ts
+++ b/server/routes/models/[id].delete.ts
@@ -10,10 +10,10 @@ export default defineEventHandler(async (event) => {
   const { appId } = await extractAppKey(event, query.apiKey);
   const modelId = event.context.params?.id ?? '';
 
-  const model = await new ModelServices(event).delete({
+  await new ModelServices(event).delete({
     id: modelId,
     appId,
   });
 
-  return model;
+  return null;
 });
diff --git a/server/routes/models/[id]/model-data.delete.ts b/server/routes/models/[id]/model-data.delete.ts
index 0e9df70..8bef645 100644
--- a/server/routes/models/[id]/model-data.delete.ts
+++ b/server/routes/models/[id]/model-data.delete.ts
@@ -13,10 +13,10 @@ export default defineEventHandler(async (event) => {
 
   const ids = query.ids.split(',');
 
-  const deleted = await new ModelDataServices(event).bulkDelete({
+  await new ModelDataServices(event).bulkDelete({
     ids,
     modelId: event.context.params?.id ?? '',
   });
 
-  return deleted;
+  return null;
 });
diff --git a/server/services/appServices.ts b/server/services/appServices.ts
index 6f33509..0d8ad17 100644
--- a/server/services/appServices.ts
+++ b/server/services/appServices.ts
@@ -22,24 +22,20 @@ export default class AppServices extends SupabaseService {
   async delete(id: string) {
     const apps = await this.client
       .from('apps')
-      .update({
-        deleted_at: new Date().toISOString(),
-      })
-      .eq('id', id)
-      .select('*');
+      .delete()
+      .eq('id', id);
 
     if (apps.error !== null) {
       throw ErrorResponse.supabase(apps.error);
     }
 
-    return apps.data[0];
+    return null;
   }
 
   async find(id: string) {
     const apps = await this.client
       .from('apps')
       .select('*')
-      .is('deleted_at', null)
       .eq('id', id)
       .eq('user_id', this.user.id);
 
@@ -58,7 +54,6 @@ export default class AppServices extends SupabaseService {
     const app = await this.client
       .from('apps')
       .select('*')
-      .is('deleted_at', null)
       .eq('title', title)
       .eq('user_id', this.user.id);
 
@@ -73,7 +68,6 @@ export default class AppServices extends SupabaseService {
     const apps = await this.client
       .from('apps')
       .select('id, title, description, app_keys(api_key)')
-      .is('deleted_at', null)
       .is('app_keys.deleted_at', null)
       .eq('user_id', this.user.id)
       .order('created_at', { ascending: false });
diff --git a/server/services/modelDataServices.ts b/server/services/modelDataServices.ts
index 69c8422..7462cd6 100644
--- a/server/services/modelDataServices.ts
+++ b/server/services/modelDataServices.ts
@@ -21,12 +21,9 @@ export default class ModelDataService extends SupabaseService {
       params.ids.map((id) => {
         return this.client
           .from('model_data')
-          .update({
-            deleted_at: new Date().toISOString(),
-          })
+          .delete()
           .eq('id', id)
-          .eq('model_id', params.modelId)
-          .select('*');
+          .eq('model_id', params.modelId);
       })
     );
   }
@@ -35,7 +32,6 @@ export default class ModelDataService extends SupabaseService {
     const modelData = await this.client
       .from('model_data')
       .select('*', { count: 'exact', head: true })
-      .is('deleted_at', null)
       .eq('model_id', modelId)
       .order('created_at', { ascending: false });
 
@@ -46,11 +42,17 @@ export default class ModelDataService extends SupabaseService {
     return modelData.count ?? 0;
   }
 
+  async deleteByModelId(modelId: string) {
+    return await this.client
+    .from('model_data')
+    .delete()
+    .eq('model_id', modelId);
+  }
+
   async list(modelId: string) {
     const modelData = await this.client
       .from('model_data')
       .select('id, schema')
-      .is('deleted_at', null)
       .eq('model_id', modelId)
       .order('created_at', { ascending: false });
 
diff --git a/server/services/modelServices.ts b/server/services/modelServices.ts
index 1c8a1ce..e1d4641 100644
--- a/server/services/modelServices.ts
+++ b/server/services/modelServices.ts
@@ -25,26 +25,22 @@ export default class ModelServices extends SupabaseService {
   async delete(params: { id: string; appId: string }) {
     const model = await this.client
       .from('models')
-      .update({
-        deleted_at: new Date().toISOString(),
-      })
+      .delete()
       .eq('id', params.id)
       .eq('app_id', params.appId)
-      .eq('user_id', this.user.id)
-      .select('*');
+      .eq('user_id', this.user.id);
 
     if (model.error !== null) {
       throw ErrorResponse.supabase(model.error);
     }
 
-    return model.data[0];
+    return null;
   }
 
   async findByName(params: { name: string; appId: string }) {
     const models = await this.client
       .from('models')
       .select('*')
-      .is('deleted_at', null)
       .eq('name', params.name)
       .eq('app_id', params.appId)
       .eq('user_id', this.user.id);
@@ -60,7 +56,6 @@ export default class ModelServices extends SupabaseService {
     const models = await this.client
       .from('models')
       .select('*')
-      .is('deleted_at', null)
       .eq('id', id)
       .eq('user_id', this.user.id);
 
@@ -79,7 +74,6 @@ export default class ModelServices extends SupabaseService {
     const models = await this.client
       .from('models')
       .select('id, name, schema')
-      .is('deleted_at', null)
       .eq('app_id', appId)
       .eq('user_id', this.user.id)
       .order('created_at', { ascending: false });
diff --git a/supabase/migrations/20240616150923_remove_deleted_at.sql b/supabase/migrations/20240616150923_remove_deleted_at.sql
new file mode 100644
index 0000000..183044f
--- /dev/null
+++ b/supabase/migrations/20240616150923_remove_deleted_at.sql
@@ -0,0 +1,3 @@
+alter table models drop column deleted_at;
+alter table model_data drop column deleted_at;
+alter table apps drop column deleted_at;