diff --git a/.github/flake8-matcher.json b/.github/flake8-matcher.json
deleted file mode 100644
index 8b173c2b591..00000000000
--- a/.github/flake8-matcher.json
+++ /dev/null
@@ -1,32 +0,0 @@
-{
-    "problemMatcher": [
-        {
-            "owner": "flake8-error",
-            "severity": "error",
-            "pattern": [
-                {
-                    "regexp": "^([^:]*):(\\d+):(\\d+): ([EFT]\\d\\d\\d) (.*)$",
-                    "file": 1,
-                    "line": 2,
-                    "column": 3,
-                    "code": 4,
-                    "message": 5
-                }
-            ]
-        },
-        {
-            "owner": "flake8-warning",
-            "severity": "warning",
-            "pattern": [
-                {
-                    "regexp": "^([^:]*):(\\d+):(\\d+): ((?:B|SIM|DUO|S)\\d\\d\\d) (.*)$",
-                    "file": 1,
-                    "line": 2,
-                    "column": 3,
-                    "code": 4,
-                    "message": 5
-                }
-            ]
-        }
-    ]
-}
diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index f71887a5829..1dbdf267129 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -10,6 +10,11 @@ permissions:
     # contents permission to update benchmark contents in gh-pages branch
     contents: write
 
+env:
+  ERT_SHOW_BACKTRACE: 1
+  ECL_SKIP_SIGNAL: 1
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
   benchmark:
     name: Run pytest-benchmark benchmark example
@@ -27,13 +32,13 @@ jobs:
         with:
           # pin this to maintain comparable benchmark results
           python-version: "3.10"
-          cache: "pip"
-          cache-dependency-path: |
-            pyproject.toml
+
+      - name: Install uv
+        run: pip install uv
 
       - name: Install ert with dev-deps
         run: |
-          pip install ".[dev]"
+          uv pip install ".[dev]"
 
       - name: Run benchmark
         run: |
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index a4091c173c3..c99f0ef3708 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -39,9 +39,6 @@ jobs:
       run: |
         uv pip install ".[style]"
 
-    - name: Add matching rule
-      run: echo ::add-matcher::.github/flake8-matcher.json
-
     - name: Run style check
       if: ${{ always() }}
       run: |