diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index fd1cc7d38a..4265b59650 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -74,10 +74,7 @@ jobs:
       - name: Configure (CMake)
         shell: bash
         run: |
-          # Use conda Clang with modern CPU optimizations
-          pixi run cmake --preset conda-linux-release \
-            -DCMAKE_C_FLAGS="-march=x86-64-v3" \
-            -DCMAKE_CXX_FLAGS="-march=x86-64-v3"
+          pixi run cmake --preset conda-linux-release
 
       - name: Build
         run: pixi run cmake --build build/release -j$(nproc)
diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index e6cd130173..e5de16aa2a 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -23,9 +23,8 @@ jobs:
       CCACHE_SLOPPINESS: "include_file_ctime,include_file_mtime,pch_defines,time_macros"
       BUILD_TAG: ${{ github.ref_name || inputs.tag }}
       MAKE_INSTALLER: "true"
-      # Modern CPU flags for x86-64-v3 (AVX, AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE, XSAVE)
-      CFLAGS: "-march=x86-64-v3 -O3"
-      CXXFLAGS: "-march=x86-64-v3 -O3"
+      CFLAGS: "-O3"
+      CXXFLAGS: "-O3"
 
     steps:
       - name: Trust FreeIPA CA certificate