diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 595952e855..60dec20df1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,9 +1,6 @@
 name: CI
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
   merge_group:
 
@@ -24,9 +21,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: taiki-e/install-action@cargo-hack
       - uses: mkroening/rust-toolchain-toml@main
-      - uses: Swatinem/rust-cache@v2
-        with:
-          save-if: ${{ github.ref == 'refs/heads/main' }}
       - run: rustup target add x86_64-unknown-none
       - name: Check each feature
         run: cargo hack check --package hermit-kernel --each-feature --skip gem-net --no-dev-deps --target x86_64-unknown-none
@@ -40,12 +34,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: mkroening/rust-toolchain-toml@main
       - run: rustup component add clippy
-      - uses: Swatinem/rust-cache@v2
-        with:
-          save-if: ${{ github.ref == 'refs/heads/main' }}
-          workspaces: |
-            .
-            hermit-builtins
       - run: cargo xtask clippy
 
   format:
@@ -70,9 +58,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: mkroening/rust-toolchain-toml@main
-      - uses: Swatinem/rust-cache@v2
-        with:
-          save-if: ${{ github.ref == 'refs/heads/main' }}
       - run: cargo xtask doc
 
   build:
@@ -81,12 +66,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: mkroening/rust-toolchain-toml@main
-      - uses: Swatinem/rust-cache@v2
-        with:
-          save-if: ${{ github.ref == 'refs/heads/main' }}
-          workspaces: |
-            .
-            hermit-builtins
       - name: Build minimal kernel
         run: |
           cargo xtask build --arch x86_64 --no-default-features
@@ -102,12 +81,6 @@ jobs:
           sudo apt-get update
           sudo apt-get install qemu-system-x86
       - uses: mkroening/rust-toolchain-toml@main
-      - uses: Swatinem/rust-cache@v2
-        with:
-          save-if: ${{ github.ref == 'refs/heads/main' }}
-          workspaces: |
-            .
-            hermit-builtins
       - name: Unit tests
         run: cargo test --lib
         env:
@@ -174,14 +147,6 @@ jobs:
       - uses: mkroening/rust-toolchain-toml@main
         with:
           toolchain-file: 'kernel/rust-toolchain.toml'
-      - uses: Swatinem/rust-cache@v2
-        with:
-          key: ${{ matrix.arch }}-${{ matrix.profile }}
-          save-if: ${{ github.ref == 'refs/heads/main' }}
-          workspaces: |
-            .
-            kernel
-            kernel/hermit-builtins
       - name: Download loader
         run: gh release download --repo hermit-os/loader --pattern 'hermit-loader-${{ matrix.arch }}*'
       - name: Dowload OpenSBI