diff --git a/.github/workflows/ios_ci.yml b/.github/workflows/ios_ci.yml
--- a/.github/workflows/ios_ci.yml
+++ b/.github/workflows/ios_ci.yml
@@ -28,7 +28,6 @@
         env:
           BUILD_CERTIFICATE_BASE64: ${{ secrets.BUILD_CERTIFICATE_BASE64 }}
           P12_PASSWORD: ${{ secrets.P12_PASSWORD }}
-          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
         run: |
           # create variables
           CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
@@ -38,9 +37,9 @@
           echo -n "$BUILD_CERTIFICATE_BASE64" | base64 --decode -o $CERTIFICATE_PATH
 
           # create temporary keychain
-          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security create-keychain -p "123456" $KEYCHAIN_PATH
           security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
-          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security unlock-keychain -p "123456" $KEYCHAIN_PATH
 
           # import certificate to keychain
           security import $CERTIFICATE_PATH -P "$P12_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
@@ -65,10 +64,6 @@
           AUTH_KEY_ISSUER_ID: ${{secrets.AUTH_KEY_ISSUER_ID}}
         run: xcodebuild archive -workspace Comm.xcworkspace -scheme Comm -configuration Release -archivePath archives/Comm.xcarchive -destination generic/platform=iOS -allowProvisioningUpdates -authenticationKeyIssuerID "$AUTH_KEY_ISSUER_ID" -authenticationKeyID "$AUTH_KEY_ID" -authenticationKeyPath $PWD/AUTH_KEY.p8
 
-      - name: Clean up keychain
-        if: ${{ always() }}
-        run: security delete-keychain $RUNNER_TEMP/app-signing.keychain-db
-
       - name: Set up tmate session
         if: failure() && startsWith(github.ref, 'refs/heads/debugci/')
         uses: mxschmitt/action-tmate@v3
diff --git a/.github/workflows/ios_release.yml b/.github/workflows/ios_release.yml
--- a/.github/workflows/ios_release.yml
+++ b/.github/workflows/ios_release.yml
@@ -21,7 +21,6 @@
         env:
           BUILD_CERTIFICATE_BASE64: ${{ secrets.BUILD_CERTIFICATE_BASE64 }}
           P12_PASSWORD: ${{ secrets.P12_PASSWORD }}
-          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
         run: |
           # create variables
           CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
@@ -31,9 +30,9 @@
           echo -n "$BUILD_CERTIFICATE_BASE64" | base64 --decode -o $CERTIFICATE_PATH
 
           # create temporary keychain
-          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security create-keychain -p "123456" $KEYCHAIN_PATH
           security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
-          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security unlock-keychain -p "123456" $KEYCHAIN_PATH
 
           # import certificate to keychain
           security import $CERTIFICATE_PATH -P "$P12_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
@@ -77,7 +76,3 @@
           APPLE_USER_NAME: ${{secrets.APPLE_USER_NAME}}
           APPLE_APP_SPECIFIC_PASSWORD: ${{secrets.APPLE_APP_SPECIFIC_PASSWORD}}
         run: xcrun altool --upload-app --type ios --file output/Comm.ipa --username "$APPLE_USER_NAME" --password "$APPLE_APP_SPECIFIC_PASSWORD"
-
-      - name: Clean up keychain
-        if: ${{ always() }}
-        run: security delete-keychain $RUNNER_TEMP/app-signing.keychain-db
diff --git a/.github/workflows/macos_ci.yml b/.github/workflows/macos_ci.yml
--- a/.github/workflows/macos_ci.yml
+++ b/.github/workflows/macos_ci.yml
@@ -25,7 +25,6 @@
           MACOS_BUILD_CERTIFICATE_BASE64: ${{ secrets.MACOS_BUILD_CERTIFICATE_BASE64 }}
           MACOS_BUILD_P12_PASSWORD: ${{ secrets.MACOS_BUILD_P12_PASSWORD }}
           MACOS_PROVISIONPROFILE_BASE64: ${{ secrets.MACOS_PROVISIONPROFILE_BASE64 }}
-          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
         run: |
           # create variables
           CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
@@ -36,9 +35,9 @@
           echo -n "$MACOS_BUILD_CERTIFICATE_BASE64" | base64 --decode -o $CERTIFICATE_PATH
 
           # create temporary keychain
-          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security create-keychain -p "123456" $KEYCHAIN_PATH
           security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
-          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
+          security unlock-keychain -p "123456" $KEYCHAIN_PATH
 
           # import certificate to keychain
           security import $CERTIFICATE_PATH -P "$MACOS_BUILD_P12_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
@@ -61,10 +60,6 @@
         working-directory: './desktop'
         run: yarn make --arch universal
 
-      - name: Clean up keychain
-        if: ${{ always() }}
-        run: security delete-keychain $RUNNER_TEMP/app-signing.keychain-db
-
       - name: Upload Artifact
         uses: actions/upload-artifact@v3
         with: