--- a/taskcluster/ci/test/test-platforms.yml
+++ b/taskcluster/ci/test/test-platforms.yml
@@ -165,16 +165,17 @@ windows7-32-nightly/opt:
         - windows-tests
 
 # win64
 windows10-64/debug:
     build-platform: win64/debug
     test-sets:
         - headless
         - windows-tests
+
 windows10-64/opt:
     build-platform: win64/opt
     test-sets:
         - awsy
         - desktop-screenshot-capture
         - headless
         #- windows-talos
         - windows-tests
@@ -197,33 +198,32 @@ windows10-64-nightly/opt:
         - windows-tests
 
 windows10-64-asan/opt:
     build-platform: win64-asan/opt
     test-sets:
         - common-tests
 
 # Windows8 tests; all via BBB
-# Disabled until flag day
 windows8-64/debug:
     build-platform: win64/debug
-    test-sets: []
-        #- windows8-tests
+    test-sets:
+        - windows8-tests
 windows8-64/opt:
     build-platform: win64/opt
-    test-sets: []
-        #- windows8-tests
+    test-sets:
+        - windows8-tests
 windows8-64-pgo/opt:
     build-platform: win64-pgo/opt
-    test-sets: []
-        #- windows8-tests
+    test-sets:
+        - windows8-tests
 windows8-64-nightly/opt:
     build-platform: win64-nightly/opt
-    test-sets: []
-        #- windows8-tests
+    test-sets:
+        - windows8-tests
 
 ##
 # MacOS X platforms (matching /macosx.*/)
 
 macosx64/debug:
     build-platform: macosx64/debug
     test-sets:
         - macosx64-tests