diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 38276d6..f001296 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -13,23 +13,23 @@ jobs:
     strategy:
       matrix:
         perl:
-          - '5.38'
-          - '5.36'
-          - '5.34'
-          - '5.32'
-          - '5.30'
-          - '5.28'
-          - '5.26'
-          - '5.24'
-          - '5.22'
-          - '5.20'
-          - '5.18'
+          # - '5.38'
+          # - '5.36'
+          # - '5.34'
+          # - '5.32'
+          # - '5.30'
+          # - '5.28'
+          # - '5.26'
+          # - '5.24'
+          # - '5.22'
+          # - '5.20'
+          # - '5.18'
           - '5.16'
-          - '5.14'
-          - '5.12'
-          - '5.10'
-          - '5.8'
-          - '5.6'
+          # - '5.14'
+          # - '5.12'
+          # - '5.10'
+          # - '5.8'
+          # - '5.6'
 
         build-zlib:
           - 0
@@ -37,7 +37,7 @@ jobs:
 
         cc-opts:
             - ""
-            - "-Wc++-compat"
+            - -Wc++-compat
 
     name: Perl ${{ matrix.perl }} BUILD_ZLIB:${{matrix.build-zlib}} ${{matrix.cc-opts}}
     steps:
@@ -54,6 +54,6 @@ jobs:
       run: perl Makefile.PL && make
       env:
         BUILD_ZLIB: ${{matrix.build-zlib}}
-        PERL_MM_OPT: CCFLAGS='-Werror ${{matrix.cc-opts}}'
+        PERL_MM_OPT: CCFLAGS=-Werror ${{matrix.cc-opts}}
     - name: Test
       run: make test