diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 215f7ba165df7144134a2ce349545a9ebe4c5df4..f1c16b2d4d2a540da2ff6bbd00f01323b820f12e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,6 @@ jobs:
       - name: Install Rust
         run: |
           rustup set profile minimal
-          rustup component add rustfmt
           rustup update stable
 
       - name: Checkout repo
diff --git a/Dockerfile b/Dockerfile
index 2a78d37cbbcadd1bd7afaf612be5767a09abb581..d3170696c5fc08c67cbca61a203eced42e4eba0d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.2
 
-FROM rust:1.70-bullseye as builder
+FROM rust:1.65-bullseye as builder
 WORKDIR app
 COPY . .
 
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
deleted file mode 100644
index f400973ca7fe657f39c5614a0bce573e55e7120f..0000000000000000000000000000000000000000
--- a/rust-toolchain.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[toolchain]
-channel = "1.70"