diff --git a/.github/workflows/benchmark-cachegrind.yml b/.github/workflows/benchmark-cachegrind.yml
index f7d27a0b..4da817c4 100644
--- a/.github/workflows/benchmark-cachegrind.yml
+++ b/.github/workflows/benchmark-cachegrind.yml
@@ -18,8 +18,6 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        engine:
-          - { channel: stable, version: latest }
         bench:
           - {
               script: "run-benchmarks",
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 42946289..80b48547 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -18,8 +18,6 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        engine:
-          - { channel: stable, version: latest }
         bench:
           - {
               script: "run-benchmarks",