diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9e1b0008..c896d23e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -169,7 +169,7 @@ jobs:
 
     - name: Configure
       shell: bash
-      run: cmake -S $GITHUB_WORKSPACE -B $GITHUB_WORKSPACE/build -DBUILD_SHARED_LIBS=OFF -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DSFML_BUILD_EXAMPLES=TRUE -DSFML_BUILD_TEST_SUITE=TRUE ${{matrix.platform.flags}}
+      run: cmake -S $GITHUB_WORKSPACE -B $GITHUB_WORKSPACE/build -DBUILD_SHARED_LIBS=OFF -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_UNITY_BUILD=ON -DSFML_BUILD_EXAMPLES=TRUE -DSFML_BUILD_TEST_SUITE=TRUE ${{matrix.platform.flags}}
 
     - name: Analyze Code
       shell: bash
diff --git a/test/TestUtilities/WindowUtil.hpp b/test/TestUtilities/WindowUtil.hpp
index b555c746..1ae3db1e 100644
--- a/test/TestUtilities/WindowUtil.hpp
+++ b/test/TestUtilities/WindowUtil.hpp
@@ -18,5 +18,7 @@ namespace sf
 {
 class VideoMode;
 
+// Required because WindowUtil.cpp doesn't include WindowUtil.hpp
+// NOLINTNEXTLINE(readability-redundant-declaration)
 std::ostream& operator<<(std::ostream& os, const VideoMode& videoMode);
 } // namespace sf