diff --git a/src/build-flags.ts b/src/build-flags.ts
new file mode 100644
index 0000000000..155230e5d7
--- /dev/null
+++ b/src/build-flags.ts
@@ -0,0 +1,2 @@
+export const LOGIN_INCLUDE_DEV_SERVERS = true
+export const TABS_ENABLED = false
diff --git a/src/state/index.ts b/src/state/index.ts
index fd81bc8425..872cd69f66 100644
--- a/src/state/index.ts
+++ b/src/state/index.ts
@@ -5,7 +5,6 @@ import {RootStoreModel} from './models/root-store'
 import * as libapi from './lib/api'
 import * as storage from './lib/storage'
 
-export const IS_PROD_BUILD = true
 export const LOCAL_DEV_SERVICE = 'http://localhost:2583'
 export const STAGING_SERVICE = 'https://pds.staging.bsky.dev'
 export const PROD_SERVICE = 'https://bsky.social'
diff --git a/src/state/models/navigation.ts b/src/state/models/navigation.ts
index 0ec097afca..758ae37d8e 100644
--- a/src/state/models/navigation.ts
+++ b/src/state/models/navigation.ts
@@ -1,5 +1,5 @@
 import {makeAutoObservable} from 'mobx'
-import {isObj, hasProp} from '../lib/type-guards'
+import {TABS_ENABLED} from '../../build-flags'
 
 let __id = 0
 function genId() {
@@ -226,6 +226,9 @@ export class NavigationModel {
   // =
 
   newTab(url: string, title?: string) {
+    if (!TABS_ENABLED) {
+      return this.navigate(url)
+    }
     const tab = new NavigationTabModel()
     tab.navigate(url, title)
     tab.isNewTab = true
@@ -234,10 +237,16 @@ export class NavigationModel {
   }
 
   setActiveTab(tabIndex: number) {
+    if (!TABS_ENABLED) {
+      return
+    }
     this.tabIndex = Math.max(Math.min(tabIndex, this.tabs.length - 1), 0)
   }
 
   closeTab(tabIndex: number) {
+    if (!TABS_ENABLED) {
+      return
+    }
     this.tabs = [
       ...this.tabs.slice(0, tabIndex),
       ...this.tabs.slice(tabIndex + 1),
diff --git a/src/view/com/modals/ServerInput.tsx b/src/view/com/modals/ServerInput.tsx
index 0aa1a07e27..c885ff164f 100644
--- a/src/view/com/modals/ServerInput.tsx
+++ b/src/view/com/modals/ServerInput.tsx
@@ -5,11 +5,11 @@ import {BottomSheetScrollView, BottomSheetTextInput} from '@gorhom/bottom-sheet'
 import {useStores} from '../../../state'
 import {s, colors} from '../../lib/styles'
 import {
-  IS_PROD_BUILD,
   LOCAL_DEV_SERVICE,
   STAGING_SERVICE,
   PROD_SERVICE,
 } from '../../../state/index'
+import {LOGIN_INCLUDE_DEV_SERVERS} from '../../../build-flags'
 
 export const snapPoints = ['80%']
 
@@ -36,7 +36,7 @@ export function Component({
       <Text style={[s.textCenter, s.bold, s.f18]}>Choose Service</Text>
       <BottomSheetScrollView style={styles.inner}>
         <View style={styles.group}>
-          {!IS_PROD_BUILD ? (
+          {LOGIN_INCLUDE_DEV_SERVERS ? (
             <>
               <TouchableOpacity
                 style={styles.btn}
diff --git a/src/view/com/onboard/FeatureExplainer.tsx b/src/view/com/onboard/FeatureExplainer.tsx
index 0f8c52ea50..d9f70cf4fb 100644
--- a/src/view/com/onboard/FeatureExplainer.tsx
+++ b/src/view/com/onboard/FeatureExplainer.tsx
@@ -15,6 +15,7 @@ import {UserGroupIcon} from '../../lib/icons'
 import {useStores} from '../../../state'
 import {s} from '../../lib/styles'
 import {SCENE_EXPLAINER, TABS_EXPLAINER} from '../../lib/assets'
+import {TABS_ENABLED} from '../../../build-flags'
 
 const Intro = () => (
   <View style={styles.explainer}>
@@ -85,8 +86,8 @@ export const FeatureExplainer = () => {
   const routes = [
     {key: 'intro', title: 'Intro'},
     {key: 'scenes', title: 'Scenes'},
-    {key: 'tabs', title: 'Tabs'},
-  ]
+    TABS_ENABLED ? {key: 'tabs', title: 'Tabs'} : undefined,
+  ].filter(Boolean)
 
   const onPressSkip = () => store.onboard.next()
   const onPressNext = () => {
diff --git a/src/view/com/util/DropdownBtn.tsx b/src/view/com/util/DropdownBtn.tsx
index bef193f1d2..85e8453fdb 100644
--- a/src/view/com/util/DropdownBtn.tsx
+++ b/src/view/com/util/DropdownBtn.tsx
@@ -14,6 +14,7 @@ import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
 import {colors} from '../../lib/styles'
 import {useStores} from '../../../state'
 import {SharePostModel, ConfirmModel} from '../../../state/models/shell-ui'
+import {TABS_ENABLED} from '../../../build-flags'
 
 export interface DropdownItem {
   icon?: IconProp
@@ -82,13 +83,15 @@ export function PostDropdownBtn({
   const store = useStores()
 
   const dropdownItems: DropdownItem[] = [
-    {
-      icon: ['far', 'clone'],
-      label: 'Open in new tab',
-      onPress() {
-        store.nav.newTab(itemHref)
-      },
-    },
+    TABS_ENABLED
+      ? {
+          icon: ['far', 'clone'],
+          label: 'Open in new tab',
+          onPress() {
+            store.nav.newTab(itemHref)
+          },
+        }
+      : undefined,
     {
       icon: 'share',
       label: 'Share...',
diff --git a/src/view/shell/mobile/index.tsx b/src/view/shell/mobile/index.tsx
index e0f7c07aac..32b1f35ddf 100644
--- a/src/view/shell/mobile/index.tsx
+++ b/src/view/shell/mobile/index.tsx
@@ -26,6 +26,7 @@ import Animated, {
 } from 'react-native-reanimated'
 import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
 import {IconProp} from '@fortawesome/fontawesome-svg-core'
+import {TABS_ENABLED} from '../../../build-flags'
 import {useStores} from '../../../state'
 import {NavigationModel} from '../../../state/models/navigation'
 import {match, MatchResult} from '../../routes'
@@ -331,11 +332,13 @@ export const MobileShell: React.FC = observer(() => {
           onPress={onPressSearch}
           onLongPress={doNewTab('/search')}
         />
-        <Btn
-          icon={isTabsSelectorActive ? 'clone' : ['far', 'clone']}
-          onPress={onPressTabs}
-          tabCount={store.nav.tabCount}
-        />
+        {TABS_ENABLED ? (
+          <Btn
+            icon={isTabsSelectorActive ? 'clone' : ['far', 'clone']}
+            onPress={onPressTabs}
+            tabCount={store.nav.tabCount}
+          />
+        ) : undefined}
         <Btn
           icon={isAtNotifications ? 'bell-solid' : 'bell'}
           onPress={onPressNotifications}