diff --git a/.github/workflows/codeql-analysis.yaml b/.github/workflows/codeql-analysis.yaml
index ceb95e51f6..1bcac4f26d 100644
--- a/.github/workflows/codeql-analysis.yaml
+++ b/.github/workflows/codeql-analysis.yaml
@@ -9,6 +9,11 @@ on:
   schedule:
     - cron: '10 18 * * 2'
 
+env:
+  # Use the Go toolchain installed by setup-go
+  # https://github.com/actions/setup-go/issues/457
+  GOTOOLCHAIN: local
+
 jobs:
   analyze:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index b424dc4915..c715f2a1d7 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -3,6 +3,11 @@ name: Linters
 on:
   pull_request:
 
+env:
+  # Use the Go toolchain installed by setup-go
+  # https://github.com/actions/setup-go/issues/457
+  GOTOOLCHAIN: local
+
 jobs:
   golangci-lint:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index b980a7211d..c614e8fdda 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -7,6 +7,11 @@ on:
       - main
       - master
 
+env:
+  # Use the Go toolchain installed by setup-go
+  # https://github.com/actions/setup-go/issues/457
+  GOTOOLCHAIN: local
+
 jobs:
   go-test:
     runs-on: ubuntu-latest
@@ -35,7 +40,6 @@ jobs:
       - run: ENVTEST_K8S_VERSION="${KUBERNETES#default}" make check-envtest
         env:
           KUBERNETES: "${{ matrix.kubernetes }}"
-          GOEXPERIMENT: nocoverageredesign # https://go.dev/issue/65653
           GO_TEST: go test --coverprofile 'envtest.coverage' --coverpkg ./internal/...
 
       # Upload coverage to GitHub
@@ -71,7 +75,6 @@ jobs:
       - run: make createnamespaces check-envtest-existing
         env:
           PGO_TEST_TIMEOUT_SCALE: 1.2
-          GOEXPERIMENT: nocoverageredesign # https://go.dev/issue/65653
           GO_TEST: go test --coverprofile 'envtest-existing.coverage' --coverpkg ./internal/...
 
       # Upload coverage to GitHub
diff --git a/.github/workflows/trivy.yaml b/.github/workflows/trivy.yaml
index 0dd0a644a2..02986b2516 100644
--- a/.github/workflows/trivy.yaml
+++ b/.github/workflows/trivy.yaml
@@ -7,6 +7,11 @@ on:
       - main
       - master
 
+env:
+  # Use the Go toolchain installed by setup-go
+  # https://github.com/actions/setup-go/issues/457
+  GOTOOLCHAIN: local
+
 jobs:
   licenses:
     runs-on: ubuntu-latest
diff --git a/go.mod b/go.mod
index 04adda6833..d268d66018 100644
--- a/go.mod
+++ b/go.mod
@@ -2,8 +2,6 @@ module github.com/crunchydata/postgres-operator
 
 go 1.22.0
 
-toolchain go1.22.4
-
 require (
 	github.com/go-logr/logr v1.4.2
 	github.com/golang-jwt/jwt/v5 v5.2.1