diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 63adbfcd1..3c86c4b00 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -4,7 +4,6 @@ on: [push, pull_request]
 
 jobs:
   linux0:
-    if: false
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -86,7 +85,6 @@ jobs:
         if-no-files-found: error
 
   linux:
-    if: false
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -192,7 +190,7 @@ jobs:
         - { cc: gcc-12, cxx: g++-12, coverage: false }
         - { cc: gcc-12, cxx: g++-12, coverage: true }
         exclude:
-          # Exclude Qt 5.x on macOS 14+ (Qt5 only supports up to macOS 12).
+          # Exclude Qt 5.x on macOS 14+ (Qt5 only officially supports up to macOS 12).
           - { qt: '5.9.9',   os: 'macos-14' }
           - { qt: '5.10.1',  os: 'macos-14' }
           - { qt: '5.11.3',  os: 'macos-14' }
@@ -280,7 +278,6 @@ jobs:
         if-no-files-found: error
 
   win:
-    if: false
     runs-on: windows-latest
     defaults: { run: { shell: cmd } }
     strategy: