diff --git a/.github/actions/rust-toolchain@oldest-supported/action.yml b/.github/actions/rust-toolchain@oldest-supported/action.yml
index 4c9a005b9..cbdfe382b 100644
--- a/.github/actions/rust-toolchain@oldest-supported/action.yml
+++ b/.github/actions/rust-toolchain@oldest-supported/action.yml
@@ -20,5 +20,3 @@ runs:
       with:
         targets: ${{ inputs.targets }}
         components: ${{ inputs.components}}
-    - run: rm rust-toolchain.toml
-      shell: sh
diff --git a/.github/actions/rust-toolchain@stable/action.yml b/.github/actions/rust-toolchain@stable/action.yml
index 46f74ed26..4da4e365d 100644
--- a/.github/actions/rust-toolchain@stable/action.yml
+++ b/.github/actions/rust-toolchain@stable/action.yml
@@ -16,10 +16,7 @@ permissions:
 runs:
   using: "composite"
   steps:
-    # also update in rust-toolchain.toml
-    - uses: dtolnay/rust-toolchain@1.89.0
+    - uses: dtolnay/rust-toolchain@1.89
       with:
         targets: ${{ inputs.targets }}
         components: ${{ inputs.components }}
-    - run: rm rust-toolchain.toml
-      shell: sh
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9463b99e5..75ae68e6d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -39,7 +39,6 @@ jobs:
         # Ensure that fish is available as an executable.
         PATH="$PWD/build:$PATH" build_tools/update_translations.fish --no-mo
         # Show diff output. Fail if there is any.
-        git restore --worktree rust-toolchain.toml
         git --no-pager diff --exit-code || { echo 'There are uncommitted changes after regenerating the gettext PO files. Make sure to update them via `build_tools/update_translations.fish --no-mo` after changing source files.'; exit 1; }
 
   ubuntu-32bit-static-pcre2:
@@ -88,7 +87,6 @@ jobs:
         # ASAN uses `cargo build -Zbuild-std` which requires the rust-src component
         # this is comma-separated
         components: rust-src
-    - run: rm rust-toolchain.toml
     - name: Install deps
       run: |
         sudo apt install gettext libpcre2-dev python3-pexpect tmux
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
deleted file mode 100644
index bd30ff00d..000000000
--- a/rust-toolchain.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-[toolchain]
-# also update in .github/actions/rust-toolchain@stable/action.yml
-channel = "1.89.0"