diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4fbc6ed..439f331 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        target: [ linux.amd64, linux.arm64, darwin.amd64, windows.amd64 ]
+        target: [ linux.amd64 ]
     steps:
       - uses: actions/checkout@v2
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3fe7dd0..259ed31 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,18 +36,6 @@ jobs:
           mv rttys-linux-amd64 rttys-linux-amd64-$version
           tar zcf rttys-linux-amd64-$version.tar.gz rttys-linux-amd64-$version
 
-          ./build.sh linux arm64
-          mv rttys-linux-arm64 rttys-linux-arm64-$version
-          tar zcf rttys-linux-arm64-$version.tar.gz rttys-linux-arm64-$version
-
-          ./build.sh darwin amd64
-          mv rttys-darwin-amd64 rttys-darwin-amd64-$version
-          tar zcf rttys-darwin-amd64-$version.tar.gz rttys-darwin-amd64-$version
-
-          ./build.sh windows amd64
-          mv rttys-windows-amd64 rttys-windows-amd64-$version
-          tar zcf rttys-windows-amd64-$version.tar.gz rttys-windows-amd64-$version
-
       - uses: marvinpinto/action-automatic-releases@latest
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/build.sh b/build.sh
index ef5258b..cd26296 100755
--- a/build.sh
+++ b/build.sh
@@ -15,6 +15,7 @@ generate() {
 	local dir="rttys-$os-$arch"
 	local bin="rttys"
 
+	rm -rf $dir
 	mkdir $dir
 	cp rttys.conf $dir
 
@@ -22,7 +23,7 @@ generate() {
 		bin="rttys.exe"
 	}
 
-	GOOS=$os GOARCH=$arch CGO_ENABLED=0 go build -ldflags="-s -w -X $VersionPath.gitCommit=$GitCommit -X $VersionPath.buildTime=$BuildTime" -o $dir/$bin
+	GOOS=$os GOARCH=$arch go build -ldflags="-s -w -X $VersionPath.gitCommit=$GitCommit -X $VersionPath.buildTime=$BuildTime" -o $dir/$bin
 }
 
 generate $1 $2