diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 43c365c..ce13db4 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -22,9 +22,6 @@ jobs:
       - uses: actions/checkout@v4
         with:
           ref: master
-          submodules: recursive
-
-      - uses: docker/setup-qemu-action@v3
 
       - uses: docker/setup-buildx-action@v3
 
diff --git a/.github/workflows/docker-testbuild.yml b/.github/workflows/docker-testbuild.yml
index d7a813b..42f3e6b 100644
--- a/.github/workflows/docker-testbuild.yml
+++ b/.github/workflows/docker-testbuild.yml
@@ -21,9 +21,6 @@ jobs:
       - uses: actions/checkout@v4
         with:
           ref: master
-          submodules: recursive
-
-      - uses: docker/setup-qemu-action@v3
 
       - uses: docker/setup-buildx-action@v3
 
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 8e4bbb4..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "src"]
-	path = src
-	url = https://github.com/shadowsocks/shadowsocks-libev.git
diff --git a/src b/src
deleted file mode 160000
index 9afa3ca..0000000
--- a/src
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9afa3cacf947f910be46b69fc5a7a1fdd02fd5e6