diff --git a/.github/workflows/code_style.yml b/.github/workflows/code_style.yml
index 9fa2707544..0375b49d0c 100644
--- a/.github/workflows/code_style.yml
+++ b/.github/workflows/code_style.yml
@@ -49,6 +49,11 @@ jobs:
 
   clippy:
     name: Clippy (${{ matrix.name }})
+    # Push events only run the all-features leg. That leg builds a superset
+    # of artifacts, so it deterministically wins the shared cache slot on
+    # main/staging refreshes and PR legs always restore from a useful
+    # starting point. PRs still run all three to enforce lint coverage.
+    if: github.event_name == 'pull_request' || matrix.name == 'all-features'
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -71,7 +76,11 @@ jobs:
         components: clippy
     - uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
       with:
-        key: clippy-${{ matrix.name }}
+        # Share a single cache across the clippy matrix. `target/` built for
+        # --all-features is a superset of the other two legs, so restoring
+        # from whichever variant saved last is still faster than a cold build
+        # and avoids storing three near-duplicate copies in the GHA cache.
+        shared-key: clippy
     - name: Check lints
       run: cargo clippy --all --benches --tests --examples ${{ matrix.flags }} -- -D warnings
 
@@ -100,7 +109,7 @@ jobs:
         components: clippy
     - uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
       with:
-        key: clippy-windows-${{ matrix.name }}
+        shared-key: clippy-windows
     - name: Check lints
       run: cargo clippy --all --benches --tests --examples ${{ matrix.flags }} -- -D warnings