diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index f46961c12a..65b6892516 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -166,7 +166,7 @@ jobs:
           - name: 'openssl -O3 libssh valgrind'
             install_packages: zlib1g-dev libssh-dev valgrind
             CFLAGS: -O3
-            generate: -DENABLE_DEBUG=ON -DCURL_USE_LIBSSH=ON
+            generate: -DENABLE_DEBUG=ON -DCURL_USE_LIBSSH=ON -DCMAKE_UNITY_BUILD_BATCH_SIZE=30
 
           - name: 'openssl clang krb5 openldap static'
             install_steps: openldap-static
@@ -578,7 +578,7 @@ jobs:
             cmake -B bld -G Ninja \
               -DCMAKE_INSTALL_PREFIX="$HOME"/curl-install \
               -DCMAKE_C_COMPILER_TARGET="$(uname -m)-pc-linux-gnu" -DBUILD_STATIC_LIBS=ON \
-              -DCMAKE_UNITY_BUILD=ON -DCMAKE_UNITY_BUILD_BATCH_SIZE=30 -DCURL_WERROR=ON \
+              -DCMAKE_UNITY_BUILD=ON -DCURL_WERROR=ON \
               ${MATRIX_GENERATE}
           else
             mkdir bld && cd bld && \