diff --git a/.github/workflows/debug.yml b/.github/workflows/debug.yml
index dd18abe9b..83b317610 100644
--- a/.github/workflows/debug.yml
+++ b/.github/workflows/debug.yml
@@ -302,8 +302,6 @@ jobs:
           sed -i -e "s/16384/6144/g" gradle.properties
           echo "sdk.dir=${ANDROID_HOME}" >> local.properties
           echo "ndk.dir=${ANDROID_HOME}/ndk-bundle" >> local.properties
-      - name: Fix Compile SDK 31.0.0
-        run: ./run init env
       - name: Gradle cache
         uses: actions/cache@v2
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 62d773951..c09e9e2e4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -447,8 +447,6 @@ jobs:
         run: |
           sed -i -e "s/16384/6144/g" gradle.properties
           echo "ndk.dir=${ANDROID_HOME}/ndk-bundle" > local.properties
-      - name: Fix Compile SDK 31.0.0
-        run: ./run init env
       - name: Gradle cache
         uses: actions/cache@v2
         with:
diff --git a/bin/init/env.sh b/bin/init/env.sh
index b3969a005..76c9f91cb 100755
--- a/bin/init/env.sh
+++ b/bin/init/env.sh
@@ -8,15 +8,6 @@ if [ -z "$ANDROID_HOME" ]; then
   fi
 fi
 
-# Fix DX is missing in compile SDK 31.0.0
-if [ ! -f $ANDROID_HOME/build-tools/31.0.0/dx ]; then
-    echo "Copy dx From compile SDK 30.0.3"
-    cp $ANDROID_HOME/build-tools/30.0.3/dx $ANDROID_HOME/build-tools/31.0.0/dx
-fi
-if [ ! -f $ANDROID_HOME/build-tools/31.0.0/lib/dx.jar ]; then
-    echo "Copy lib/dx.jar From compile SDK 30.0.3"
-    cp $ANDROID_HOME/build-tools/30.0.3/lib/dx.jar $ANDROID_HOME/build-tools/31.0.0/lib/dx.jar
-fi
 
 _NDK="$ANDROID_HOME/ndk/21.4.7075529"
 [ -f "$_NDK/source.properties" ] || _NDK="$ANDROID_NDK_HOME"