diff --git a/.gitea/workflows/build-dev.yaml b/.gitea/workflows/build-dev.yaml
index 62edcd1..fa648f1 100644
--- a/.gitea/workflows/build-dev.yaml
+++ b/.gitea/workflows/build-dev.yaml
@@ -7,8 +7,6 @@ on:
   workflow_dispatch:
 
 env:
-  GO_VERSION: "1.25"
-  NODE_VERSION: "22"
   BINARY_NAME: remoterig
 
 jobs:
@@ -18,15 +16,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: ${{ env.GO_VERSION }}
-
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: ${{ env.NODE_VERSION }}
+      # The go-react image ships Go + Node, so no setup-go/setup-node:
+      # those download tool-cache binaries that don't run on this runner.
+      - name: Toolchain versions
+        run: |
+          go version
+          node --version
 
       - name: Build React frontend
         run: |
diff --git a/.gitea/workflows/ci.yaml b/.gitea/workflows/ci.yaml
index e326203..4709915 100644
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -11,10 +11,6 @@ jobs:
     runs-on: go-react
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: npm
       - run: npm ci
       - run: npm run lint
       - run: npx tsc --noEmit
@@ -24,10 +20,6 @@ jobs:
     runs-on: go-react
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: npm
       - run: npm ci
       - run: npm test
 
@@ -36,10 +28,6 @@ jobs:
     runs-on: go-react
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: npm
       - run: npm ci
       - run: npm run build
       - name: Upload build artifacts