diff --git a/.github/workflows/llvm-project-tests.yml b/.github/workflows/llvm-project-tests.yml
index a1404e1f1efa9..91d0b258394ef 100644
--- a/.github/workflows/llvm-project-tests.yml
+++ b/.github/workflows/llvm-project-tests.yml
@@ -14,7 +14,7 @@ on:
         required: false
       os_list:
         required: false
-        default: '["ubuntu-latest", "windows-2019", "macOS-11"]'
+        default: '["ubuntu-latest", "windows-2019", "macOS-13"]'
       python_version:
         required: false
         type: string
@@ -38,9 +38,7 @@ on:
         type: string
         # Use windows-2019 due to:
         # https://developercommunity.visualstudio.com/t/Prev-Issue---with-__assume-isnan-/1597317
-        # We're using a specific version of macOS due to:
-        # https://github.com/actions/virtual-environments/issues/5900
-        default: '["ubuntu-latest", "windows-2019", "macOS-11"]'
+        default: '["ubuntu-latest", "windows-2019", "macOS-13"]'
 
       python_version:
         required: false
@@ -95,7 +93,8 @@ jobs:
           # run creates a new cache entry so we want to ensure that we have
           # enough cache space for all the tests to run at once and still
           # fit under the 10 GB limit.
-          max-size: 500M
+          # Default to 2G to workaround: https://github.com/hendrikmuhs/ccache-action/issues/174
+          max-size: 2G
           key: ${{ matrix.os }}
           variant: sccache
       - name: Build and Test
diff --git a/.github/workflows/llvm-tests.yml b/.github/workflows/llvm-tests.yml
index cc9855ce182b2..63f0f3abfd70a 100644
--- a/.github/workflows/llvm-tests.yml
+++ b/.github/workflows/llvm-tests.yml
@@ -27,31 +27,13 @@ concurrency:
   cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 
 jobs:
-  check_all:
+  check-all:
     if: github.repository_owner == 'llvm'
-    name: Test llvm,clang,libclc
+    name: Build and Test
     uses: ./.github/workflows/llvm-project-tests.yml
     with:
       build_target: check-all
-      projects: clang;libclc
-
-  # These need to be separate from the check_all job, becuase there is not enough disk
-  # space to build all these projects on Windows.
-  build_lldb:
-    if: github.repository_owner == 'llvm'
-    name: Build lldb
-    uses: ./.github/workflows/llvm-project-tests.yml
-    with:
-      build_target: ''
-      projects: clang;lldb
-
-  check_lld:
-    if: github.repository_owner == 'llvm'
-    name: Test lld
-    uses: ./.github/workflows/llvm-project-tests.yml
-    with:
-      build_target: check-lld
-      projects: lld
+      projects: clang;lld;libclc;lldb
 
   abi-dump-setup:
     if: github.repository_owner == 'llvm'