diff --git a/build-system/global-configs/canary-config.json b/build-system/global-configs/canary-config.json
index cc59af44c670..d2cf61fe04e7 100644
--- a/build-system/global-configs/canary-config.json
+++ b/build-system/global-configs/canary-config.json
@@ -4,7 +4,7 @@
   "amp-accordion-display-locking": 1,
   "canary": 1,
   "a4aProfilingRate": 0.01,
-  "adsense-ad-size-optimization": 0.1,
+  "adsense-ad-size-optimization": 1,
   "doubleclickSraExp": 0.01,
   "doubleclickSraReportExcludedBlock": 0.1,
   "dfp-render-on-idle-cwv-exp": 1,
diff --git a/build-system/global-configs/prod-config.json b/build-system/global-configs/prod-config.json
index 096b8b3f3f67..685a9dd39d8b 100644
--- a/build-system/global-configs/prod-config.json
+++ b/build-system/global-configs/prod-config.json
@@ -3,7 +3,7 @@
   "allow-url-opt-in": [],
   "canary": 0,
   "a4aProfilingRate": 0.01,
-  "adsense-ad-size-optimization": 0.1,
+  "adsense-ad-size-optimization": 1,
   "amp-accordion-display-locking": 1,
   "doubleclickSraExp": 0.01,
   "doubleclickSraReportExcludedBlock": 0.1,