diff --git a/.github/workflows/deploy-book.yml b/.github/workflows/deploy-book.yml
index a0d87a2094..9bb1e1b852 100644
--- a/.github/workflows/deploy-book.yml
+++ b/.github/workflows/deploy-book.yml
@@ -13,13 +13,6 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Install stable
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-
       - name: Test book
         run: |
           curl -L https://github.com/rust-lang/mdBook/releases/download/v0.4.5/mdbook-v0.4.5-x86_64-unknown-linux-gnu.tar.gz | tar xz