diff --git a/.github/workflows/ci-integration-review.yml b/.github/workflows/ci-integration-review.yml
index 7335e5058ff46..99110e5148df1 100644
--- a/.github/workflows/ci-integration-review.yml
+++ b/.github/workflows/ci-integration-review.yml
@@ -81,7 +81,7 @@ jobs:
 
   integration-tests:
     needs: prep-pr
-    runs-on: ubuntu-20.04-4core
+    runs-on: ubuntu-20.04
     timeout-minutes: 90
     steps:
       - uses: actions/checkout@v3
diff --git a/.github/workflows/integration-test.yml b/.github/workflows/integration-test.yml
index 2d5833ee2b837..ffceafd56f901 100644
--- a/.github/workflows/integration-test.yml
+++ b/.github/workflows/integration-test.yml
@@ -30,7 +30,7 @@ env:
 
 jobs:
   test-integration:
-    runs-on: ubuntu-20.04-4core
+    runs-on: ubuntu-20.04
     timeout-minutes: 40
     if: inputs.if || github.event_name == 'workflow_dispatch'
     steps:
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 343b1ba87c820..67dae878287f3 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -48,7 +48,7 @@ jobs:
 
   integration-tests:
     name: Integration Tests
-    runs-on: ubuntu-20.04-4core
+    runs-on: ubuntu-20.04
     needs: changes
     if: always() && (
       github.event_name == 'merge_group' || (
diff --git a/.github/workflows/k8s_e2e.yml b/.github/workflows/k8s_e2e.yml
index 687b865402ec6..7f1c2c26e3355 100644
--- a/.github/workflows/k8s_e2e.yml
+++ b/.github/workflows/k8s_e2e.yml
@@ -59,7 +59,7 @@ jobs:
 
   build-x86_64-unknown-linux-gnu:
     name: Build - x86_64-unknown-linux-gnu
-    runs-on: ubuntu-20.04-4core
+    runs-on: ubuntu-20.04
     timeout-minutes: 45
     needs: changes
     # Run this job even if `changes` job is skipped (non- pull request trigger)
@@ -176,7 +176,7 @@ jobs:
 
   test-e2e-kubernetes:
     name: K8s ${{ matrix.kubernetes_version.version }} / ${{ matrix.container_runtime }} (${{ matrix.kubernetes_version.role }})
-    runs-on: ubuntu-20.04-4core
+    runs-on: ubuntu-20.04
     timeout-minutes: 45
     needs:
       - build-x86_64-unknown-linux-gnu
diff --git a/.github/workflows/misc.yml b/.github/workflows/misc.yml
index 3f34eeb5f23c9..5f745e623be1f 100644
--- a/.github/workflows/misc.yml
+++ b/.github/workflows/misc.yml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   test-misc:
-    runs-on: ubuntu-20.04-4core
+    runs-on: ubuntu-20.04
     timeout-minutes: 60
     env:
       CARGO_INCREMENTAL: 0
diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
index 798b78e459b6b..47a80da35c43b 100644
--- a/.github/workflows/regression.yml
+++ b/.github/workflows/regression.yml
@@ -243,7 +243,7 @@ jobs:
 
   build-baseline:
     name: Build baseline Vector container
-    runs-on: ubuntu-20.04-4core
+    runs-on: ubuntu-20.04
     timeout-minutes: 30
     needs:
       - compute-metadata
@@ -281,7 +281,7 @@ jobs:
 
   build-comparison:
     name: Build comparison Vector container
-    runs-on: ubuntu-20.04-4core
+    runs-on: ubuntu-20.04
     timeout-minutes: 30
     needs:
       - compute-metadata