diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 97114f252b381ce48309f58ac111915abcfb0776..f47289d7fde0953c0e2c2af093955c5487dabfe7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -101,7 +101,7 @@ compatibility_stage:
       - mkdir build_clang17
       - cd build_clang17
       - cp -r ../build/* .
-      - CXX=clang++-17 FC=flang-new-17 ./configure --with-fflags="-O3 -std=legacy" --with-include="-I/usr/include/c++/14 -I/usr/include/x86_64-linux-gnu/c++/14" --with-ldflags="-L/usr/lib/llvm-17/lib -L/usr/lib/gcc/x86_64-linux-gnu/14"  --disable-openmp
+      - CXX=clang++-17 FC=flang-new-17 ./configure --with-fflags="-O3" --with-include="-I/usr/include/c++/14 -I/usr/include/x86_64-linux-gnu/c++/14" --with-ldflags="-L/usr/lib/llvm-17/lib -L/usr/lib/gcc/x86_64-linux-gnu/14"  --disable-openmp
       - make wipe
       - make -j
       #- echo "Running make with Intel ifort and Intel icpx..."
@@ -111,7 +111,7 @@ compatibility_stage:
       - mkdir build_clang18
       - cd build_clang18
       - cp -r ../build/* .
-      - CXX=clang++-18 FC=flang-new-18 ./configure --with-fflags="-O3 -std=legacy" --with-include="-I/usr/include/c++/14 -I/usr/include/x86_64-linux-gnu/c++/14" --with-ldflags="-L/usr/lib/llvm-18/lib -L/usr/lib/gcc/x86_64-linux-gnu/14"  --disable-openmp
+      - CXX=clang++-18 FC=flang-new-18 ./configure --with-fflags="-O3" --with-include="-I/usr/include/c++/14 -I/usr/include/x86_64-linux-gnu/c++/14" --with-ldflags="-L/usr/lib/llvm-18/lib -L/usr/lib/gcc/x86_64-linux-gnu/14"  --disable-openmp
       - make wipe
       - make -j
       - cd ..
@@ -120,7 +120,7 @@ compatibility_stage:
       - mkdir build_clang19
       - cd build_clang19
       - cp -r ../build/* .
-      - CXX=clang++-19 FC=flang-new-19 ./configure --with-fflags="-O3 -std=legacy" --with-include="-I/usr/include/c++/14 -I/usr/include/x86_64-linux-gnu/c++/14" --with-ldflags="-L/usr/lib/llvm-19/lib -L/usr/lib/gcc/x86_64-linux-gnu/14"  --disable-openmp
+      - CXX=clang++-19 FC=flang-new-19 ./configure --with-fflags="-O3" --with-include="-I/usr/include/c++/14 -I/usr/include/x86_64-linux-gnu/c++/14" --with-ldflags="-L/usr/lib/llvm-19/lib -L/usr/lib/gcc/x86_64-linux-gnu/14"  --disable-openmp
       - make wipe
       - make -j
       - cd ..