diff --git a/generate4.xml b/generate4.xml
index 440fb50..4e63727 100644
--- a/generate4.xml
+++ b/generate4.xml
@@ -326,7 +326,7 @@
 
       <job build="autotools" 
            system="linux" image="ubuntu-24.04" 
-           compiler="gcc" version="12" 
+           compiler="gcc"
            assert="ndebug" link="static" optimization="size" 
            coverage="true" detectcpuflags="true">
         <axis name="llvm" value="" />
@@ -552,7 +552,7 @@
 
       <job build="autotools" 
            system="linux" image="ubuntu-24.04" 
-           compiler="gcc" version="12" 
+           compiler="gcc"
            assert="ndebug" link="static" optimization="size" 
            coverage="true" detectcpuflags="true">
         <axis name="llvm" value="" />
@@ -768,7 +768,7 @@
 
       <job build="autotools" 
            system="linux" image="ubuntu-24.04" 
-           compiler="gcc" version="12" 
+           compiler="gcc"
            assert="ndebug" link="static" optimization="size"
            detectcpuflags="true">
         <!-- coverage="true" -->
@@ -1359,7 +1359,7 @@
 
       <job build="autotools" 
            system="linux" image="ubuntu-24.04" 
-           compiler="gcc" version="12" 
+           compiler="gcc"
            assert="ndebug" link="static" optimization="size" assert="ndebug" 
            coverage="true" detectcpuflags="true">
         <axis name="llvm" value="" />
@@ -1584,7 +1584,7 @@
 
       <job build="autotools" 
            system="linux" image="ubuntu-24.04" 
-           compiler="gcc" version="12" 
+           compiler="gcc"
            assert="ndebug" link="static" optimization="size" 
            coverage="true" detectcpuflags="true">
         <axis name="llvm" value="" />
diff --git a/templates/gsl.ci.yml b/templates/gsl.ci.yml
index ce7a369..b73973c 100644
--- a/templates/gsl.ci.yml
+++ b/templates/gsl.ci.yml
@@ -806,9 +806,9 @@ endfunction # get_sln_tests
       - name: Coveralls Calculation
         if: ${{ matrix.coverage == 'cov' }}
         run: |
-          lcov --directory . --capture --ignore-errors version --output-file coverage.info
-          lcov --remove coverage.info $(my.exclusions) --output-file --ignore-errors version coverage.info
-          lcov --list --ignore-errors version coverage.info
+          lcov --ignore-errors version,gcov,mismatch --directory . --capture --output-file coverage.info
+          lcov --ignore-errors unused --remove coverage.info $(my.exclusions) --output-file coverage.info
+          lcov --list coverage.info
 
       - name: Coveralls.io Upload
         if: ${{ matrix.coverage == 'cov' }}