diff --git a/packages/detect-iab/package.json b/packages/detect-iab/package.json
index 3997335..01f88e8 100644
--- a/packages/detect-iab/package.json
+++ b/packages/detect-iab/package.json
@@ -31,7 +31,6 @@
     "@ethersproject/providers": "^5.6.8",
     "@qubic-js/detect-inapp": "^1.4.1",
     "clsx": "^1.1.1",
-    "detectincognitojs": "^1.3.0",
     "jss": "^10.9.0",
     "jss-preset-default": "^10.9.0",
     "preact": "^10.8.2"
diff --git a/packages/detect-iab/src/LeaveIncognitoBrowserModal.tsx b/packages/detect-iab/src/LeaveIncognitoBrowserModal.tsx
deleted file mode 100644
index df3247c..0000000
--- a/packages/detect-iab/src/LeaveIncognitoBrowserModal.tsx
+++ /dev/null
@@ -1,45 +0,0 @@
-import { memo, useMemo } from 'preact/compat';
-
-import { LEAVE_INCOGNITO_MODAL_ID } from './constant';
-import { getLocaleStrings } from './locale';
-import { classes } from './styles';
-import Hint from './Hint';
-import { doubleBrowserIcons } from './icons/DoubleBrowserIcons';
-
-const localeStrings = getLocaleStrings();
-
-interface ModalProps {
-  browserName: string;
-}
-
-const isiPhone = typeof window !== 'undefined' ? /iPhone|iPod/i.test(navigator.userAgent) : false;
-
-const LeaveIncognitoBrowserModal = memo<ModalProps>(props => {
-  const { browserName } = props;
-
-  const arrowPosition = useMemo(() => {
-    // in iOS, Built in QR Code app will open web in private browsing mode
-    //               iPhone                     |     iPad
-    // QRCode App | Open in Safari on Bottom    |  Open in Safari on Top
-    // Safari     | Open Tabs on Bottom         |  Open Tabs on Top
-    if (browserName !== 'Safari') return null;
-    if (isiPhone) {
-      return 'bottom';
-    }
-    return 'top';
-  }, [browserName]);
-
-  return (
-    <div id={LEAVE_INCOGNITO_MODAL_ID} className={classes.modal}>
-      <div className={classes.backdrop}>
-        <div className={classes.contentWrapper}>
-          <img src={`data:image/png;base64, ${doubleBrowserIcons}`} alt="browser" style={{ width: 120, height: 120 }} />
-          <span className={classes.alertSentence1}>{localeStrings.alertIncognitoSentence1}</span>
-          <span className={classes.alertSentence2}>{localeStrings.alertIncognitoSentence2}</span>
-        </div>
-        {browserName === 'Safari' && <Hint arrowPosition={arrowPosition}>{localeStrings.openInSafariInNormal}</Hint>}
-      </div>
-    </div>
-  );
-});
-export default LeaveIncognitoBrowserModal;
diff --git a/packages/detect-iab/src/constant.ts b/packages/detect-iab/src/constant.ts
index 6465ebe..00d72f6 100644
--- a/packages/detect-iab/src/constant.ts
+++ b/packages/detect-iab/src/constant.ts
@@ -1,2 +1 @@
 export const LEAVE_IAB_MODAL_ID = 'qubic-connect-leave-iab-modal';
-export const LEAVE_INCOGNITO_MODAL_ID = 'qubic-connect-leave-incognito-modal';
diff --git a/packages/detect-iab/src/index.tsx b/packages/detect-iab/src/index.tsx
index e24c603..37cc0e6 100644
--- a/packages/detect-iab/src/index.tsx
+++ b/packages/detect-iab/src/index.tsx
@@ -1,20 +1,9 @@
 import InApp from '@qubic-js/detect-inapp';
 import { render } from 'preact';
-import { detectIncognito } from 'detectincognitojs';
-import { LEAVE_IAB_MODAL_ID, LEAVE_INCOGNITO_MODAL_ID } from './constant';
+import { LEAVE_IAB_MODAL_ID } from './constant';
 import LeaveInAppBrowserModal, { ShowBlockerOptions } from './LeaveInAppBrowserModal';
-import LeaveIncognitoBrowserModal from './LeaveIncognitoBrowserModal';
 
 export async function showBlockerWhenIab(options?: ShowBlockerOptions): Promise<void> {
-  const incognitoResult = typeof window !== 'undefined' ? await detectIncognito() : null;
-
-  if (incognitoResult && incognitoResult.isPrivate && !document.getElementById(LEAVE_INCOGNITO_MODAL_ID)) {
-    const createdRootDiv = document.createElement('div');
-    document.body.appendChild(createdRootDiv);
-
-    render(<LeaveIncognitoBrowserModal browserName={incognitoResult.browserName} />, createdRootDiv);
-    return;
-  }
   const inapp = new InApp(navigator.userAgent || navigator.vendor || (window as any).opera);
 
   if (inapp.isInApp && !document.getElementById(LEAVE_IAB_MODAL_ID)) {
diff --git a/packages/detect-iab/src/locale.ts b/packages/detect-iab/src/locale.ts
index e26932d..1600864 100644
--- a/packages/detect-iab/src/locale.ts
+++ b/packages/detect-iab/src/locale.ts
@@ -1,8 +1,7 @@
 const en = {
   alertIabSentence1: 'You are using an in-app browser.',
-  alertIabSentence2: 'Some functions will be affected. To have a better experience, tap “⋯” and choose “open in system browser”.',
-  alertIncognitoSentence1: 'You are now in private browsing mode',
-  alertIncognitoSentence2: 'To have a better experience, open the website in normal browsing mode.',
+  alertIabSentence2:
+    'Some functions will be affected. To have a better experience, tap “⋯” and choose “open in system browser”.',
   hintPart1: 'Tap "',
   hintPart2: '" and choose "',
   hintPart3: '".',
@@ -19,8 +18,6 @@ const en = {
 const zhTW = {
   alertIabSentence1: '您正在使用其他應用程式的瀏覽器',
   alertIabSentence2: '可能會影響部分功能，為了享有更完整的服務，請點擊「⋯」，並選擇「 以瀏覽器開啟」。',
-  alertIncognitoSentence1: '您正在使用私密瀏覽模式',
-  alertIncognitoSentence2: '為了享有更完整的服務，請在瀏覽器以一般模式開啟網頁',
   hintPart1: '點擊「',
   hintPart2: '」，並選擇「',
   hintPart3: '」',
diff --git a/yarn.lock b/yarn.lock
index 170d715..18cbf1a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6742,11 +6742,6 @@ detect-port-alt@^1.1.6:
     address "^1.0.1"
     debug "^2.6.0"
 
-detectincognitojs@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/detectincognitojs/-/detectincognitojs-1.3.0.tgz#6a1338f395c03e06f59e3cf42453e95c96980531"
-  integrity sha512-/uAMG+6Ipa8izluYQ45HqARjeYgtJLLBvpAiX1Zd3zWJ1MhEne6FDSjkkLaC3pdNeHfT3qhpvFRqB6dwLbdnng==
-
 detective@^5.2.1:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/detective/-/detective-5.2.1.tgz#6af01eeda11015acb0e73f933242b70f24f91034"