diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index ca6a0a54f1d0..1b8a5869c514 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -26,62 +26,62 @@ jobs:
         # Valgrind slows things down quite a bit, so start them first.
         include:
           - { target: windows-2019, config: cygwin-release }
-          - { target: windows-2022, config: cygwin-release }
-          - { target: ubuntu-20.04, config: valgrind-1 }
-          - { target: ubuntu-20.04, config: valgrind-2 }
-          - { target: ubuntu-20.04, config: valgrind-3 }
-          - { target: ubuntu-20.04, config: valgrind-4 }
-          - { target: ubuntu-20.04, config: valgrind-5 }
-          - { target: ubuntu-20.04, config: valgrind-unit }
+        #  - { target: windows-2022, config: cygwin-release }
+        #  - { target: ubuntu-20.04, config: valgrind-1 }
+        #  - { target: ubuntu-20.04, config: valgrind-2 }
+        #  - { target: ubuntu-20.04, config: valgrind-3 }
+        #  - { target: ubuntu-20.04, config: valgrind-4 }
+        #  - { target: ubuntu-20.04, config: valgrind-5 }
+        #  - { target: ubuntu-20.04, config: valgrind-unit }
           - { target: ubuntu-20.04, config: c89 }
-          - { target: ubuntu-20.04, config: clang-6.0 }
-          - { target: ubuntu-20.04, config: clang-8 }
-          - { target: ubuntu-20.04, config: clang-9 }
-          - { target: ubuntu-20.04, config: clang-10 }
-          - { target: ubuntu-20.04, config: clang-11 }
-          - { target: ubuntu-20.04, config: clang-12-Werror }
-          - { target: ubuntu-20.04, config: clang-sanitize-address }
-          - { target: ubuntu-20.04, config: clang-sanitize-undefined }
-          - { target: ubuntu-20.04, config: gcc-sanitize-address }
-          - { target: ubuntu-20.04, config: gcc-sanitize-undefined }
-          - { target: ubuntu-20.04, config: gcc-7 }
-          - { target: ubuntu-20.04, config: gcc-8 }
-          - { target: ubuntu-20.04, config: gcc-10 }
-          - { target: ubuntu-20.04, config: gcc-11-Werror }
-          - { target: ubuntu-20.04, config: pam }
-          - { target: ubuntu-20.04, config: kitchensink }
-          - { target: ubuntu-22.04, config: hardenedmalloc }
-          - { target: ubuntu-20.04, config: tcmalloc }
-          - { target: ubuntu-20.04, config: musl }
-          - { target: ubuntu-latest, config: boringssl }
-          - { target: ubuntu-latest, config: libressl-master }
-          - { target: ubuntu-latest, config: libressl-3.2.6 }
-          - { target: ubuntu-latest, config: libressl-3.3.6 }
-          - { target: ubuntu-latest, config: libressl-3.4.3 }
-          - { target: ubuntu-latest, config: libressl-3.5.3 }
-          - { target: ubuntu-latest, config: libressl-3.6.1 }
-          - { target: ubuntu-latest, config: libressl-3.7.2 }
-          - { target: ubuntu-latest, config: openssl-master }
-          - { target: ubuntu-latest, config: openssl-noec }
-          - { target: ubuntu-latest, config: openssl-1.1.1 }
-          - { target: ubuntu-latest, config: openssl-1.1.1k }
-          - { target: ubuntu-latest, config: openssl-1.1.1n }
-          - { target: ubuntu-latest, config: openssl-1.1.1q }
-          - { target: ubuntu-latest, config: openssl-1.1.1t }
-          - { target: ubuntu-latest, config: openssl-3.0.0 }
-          - { target: ubuntu-latest, config: openssl-3.0.7 }
-          - { target: ubuntu-latest, config: openssl-3.1.0 }
-          - { target: ubuntu-latest, config: openssl-1.1.1_stable }
-          - { target: ubuntu-latest, config: openssl-3.0 }  # stable branch
-          - { target: ubuntu-latest, config: zlib-develop }
-          - { target: ubuntu-22.04, config: pam }
-          - { target: ubuntu-22.04, config: krb5 }
-          - { target: ubuntu-22.04, config: heimdal }
-          - { target: ubuntu-22.04, config: libedit }
-          - { target: ubuntu-22.04, config: sk }
-          - { target: ubuntu-22.04, config: selinux }
-          - { target: ubuntu-22.04, config: kitchensink }
-          - { target: ubuntu-22.04, config: without-openssl }
+        #  - { target: ubuntu-20.04, config: clang-6.0 }
+        #  - { target: ubuntu-20.04, config: clang-8 }
+        #  - { target: ubuntu-20.04, config: clang-9 }
+        #  - { target: ubuntu-20.04, config: clang-10 }
+        #  - { target: ubuntu-20.04, config: clang-11 }
+        #  - { target: ubuntu-20.04, config: clang-12-Werror }
+        #  - { target: ubuntu-20.04, config: clang-sanitize-address }
+        #  - { target: ubuntu-20.04, config: clang-sanitize-undefined }
+        #  - { target: ubuntu-20.04, config: gcc-sanitize-address }
+        #  - { target: ubuntu-20.04, config: gcc-sanitize-undefined }
+        #  - { target: ubuntu-20.04, config: gcc-7 }
+        #  - { target: ubuntu-20.04, config: gcc-8 }
+        #  - { target: ubuntu-20.04, config: gcc-10 }
+        #  - { target: ubuntu-20.04, config: gcc-11-Werror }
+        #  - { target: ubuntu-20.04, config: pam }
+        #  - { target: ubuntu-20.04, config: kitchensink }
+        #  - { target: ubuntu-22.04, config: hardenedmalloc }
+        #  - { target: ubuntu-20.04, config: tcmalloc }
+        #  - { target: ubuntu-20.04, config: musl }
+        #  - { target: ubuntu-latest, config: boringssl }
+        #  - { target: ubuntu-latest, config: libressl-master }
+        #  - { target: ubuntu-latest, config: libressl-3.2.6 }
+        #  - { target: ubuntu-latest, config: libressl-3.3.6 }
+        #  - { target: ubuntu-latest, config: libressl-3.4.3 }
+        #  - { target: ubuntu-latest, config: libressl-3.5.3 }
+        #  - { target: ubuntu-latest, config: libressl-3.6.1 }
+        #  - { target: ubuntu-latest, config: libressl-3.7.2 }
+        #  - { target: ubuntu-latest, config: openssl-master }
+        #  - { target: ubuntu-latest, config: openssl-noec }
+        #  - { target: ubuntu-latest, config: openssl-1.1.1 }
+        #  - { target: ubuntu-latest, config: openssl-1.1.1k }
+        #  - { target: ubuntu-latest, config: openssl-1.1.1n }
+        #  - { target: ubuntu-latest, config: openssl-1.1.1q }
+        #  - { target: ubuntu-latest, config: openssl-1.1.1t }
+        #  - { target: ubuntu-latest, config: openssl-3.0.0 }
+        #  - { target: ubuntu-latest, config: openssl-3.0.7 }
+        #  - { target: ubuntu-latest, config: openssl-3.1.0 }
+        #  - { target: ubuntu-latest, config: openssl-1.1.1_stable }
+        #  - { target: ubuntu-latest, config: openssl-3.0 }  # stable branch
+        #  - { target: ubuntu-latest, config: zlib-develop }
+        #  - { target: ubuntu-22.04, config: pam }
+        #  - { target: ubuntu-22.04, config: krb5 }
+        #  - { target: ubuntu-22.04, config: heimdal }
+        #  - { target: ubuntu-22.04, config: libedit }
+        #  - { target: ubuntu-22.04, config: sk }
+        #  - { target: ubuntu-22.04, config: selinux }
+        #  - { target: ubuntu-22.04, config: kitchensink }
+        #  - { target: ubuntu-22.04, config: without-openssl }
           - { target: macos-11, config: pam }
           - { target: macos-12, config: pam }
           - { target: macos-13, config: pam }