diff --git a/tools/ci/docker/linux/Dockerfile b/tools/ci/docker/linux/Dockerfile
index 2157937943..962b54240f 100644
--- a/tools/ci/docker/linux/Dockerfile
+++ b/tools/ci/docker/linux/Dockerfile
@@ -191,12 +191,6 @@ RUN cd renesas-tools/source/newlib && \
 RUN cd /tools/renesas-tools/build/gcc && \
   make && make install
 
-# Install Rust and targets supported from NuttX
-RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && \
-  $HOME/.cargo/bin/rustup target add thumbv6m-none-eabi && \
-  $HOME/.cargo/bin/rustup target add thumbv7m-none-eabi
-ENV PATH="$HOME/.cargo/bin:$PATH"
-
 ###############################################################################
 # Final Docker image used for running CI system.  This includes all toolchains
 # supported by the CI system.
@@ -233,6 +227,7 @@ RUN apt-get update -qq && DEBIAN_FRONTEND="noninteractive" apt-get install -y -q
   python3 \
   python3-pip \
   python-is-python3 \
+  rustc \
   u-boot-tools \
   unzip \
   wget \