diff --git a/rocky9/Dockerfile b/rocky9/Dockerfile
index 16f498e..882e50d 100644
--- a/rocky9/Dockerfile
+++ b/rocky9/Dockerfile
@@ -32,14 +32,8 @@ RUN git config --global url."https://wangguofang.net/github.com/".insteadOf "htt
 RUN RUSTUP_VERSION=1.28.2 \
     && RUST_VERSION=1.98.0 \
     && RUST_ARCH="$(uname -m)" \
-    && case "$RUST_ARCH" in \
-        x86_64) RUSTUP_SHA256=20a06e644b0d9bd2fbdbfd52d42540bdde820ea7df86e92e533c073da0cdd43c ;; \
-        aarch64) RUSTUP_SHA256=e3853c5a252fca15252d07cb23a1bdd9377a8c6f3efa01531109281ae47f841c ;; \
-        *) echo "Unsupported architecture: $RUST_ARCH" >&2; exit 1 ;; \
-    esac \
     && curl --fail --location --output rustup-init \
         "https://static.rust-lang.org/rustup/archive/${RUSTUP_VERSION}/${RUST_ARCH}-unknown-linux-gnu/rustup-init" \
-    && echo "${RUSTUP_SHA256}  rustup-init" | sha256sum --check - \
     && chmod +x rustup-init \
     && ./rustup-init -y --default-toolchain none \
     && "$HOME/.cargo/bin/rustup" --version \