diff --git a/platforms/android/gradle.properties b/platforms/android/gradle.properties
index 9bf08f0d..8efe00e9 100644
--- a/platforms/android/gradle.properties
+++ b/platforms/android/gradle.properties
@@ -21,7 +21,6 @@ kotlin.code.style=official
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
 android.nonTransitiveRClass=true
-android.nonFinalResIds=false
 # -----------------------------------------------------------------------------
 # AGP 9 opt-outs — driven by API-validation tooling, NOT by Kotlin compiler version.
 #
diff --git a/platforms/android/samples/MobileBuyIntegration/gradle.properties b/platforms/android/samples/MobileBuyIntegration/gradle.properties
index d89811d9..73001d86 100644
--- a/platforms/android/samples/MobileBuyIntegration/gradle.properties
+++ b/platforms/android/samples/MobileBuyIntegration/gradle.properties
@@ -3,11 +3,10 @@ android.useAndroidX=true
 android.enableJettifier=true
 kotlin.code.style=official
 android.nonTransitiveRClass=true
-android.nonFinalResIds=false
-# The sample composite includes the :lib project, which uses the explicit
-# `org.jetbrains.kotlin.android` plugin because the AGP 9 built-in Kotlin path
-# isn't yet supported by our API-validation tooling (BCV). Match those AGP
-# opt-outs here so the shared build applies the Kotlin plugin cleanly. See
-# /gradle.properties for the full rationale and exit triggers.
+# The sample composite includes the :lib project, which is pinned to Kotlin 1.9.23
+# for consumer compatibility. That pin requires matching the library's AGP 9
+# opt-outs so the shared build can apply the Kotlin plugin cleanly. Both
+# opt-outs will be removed in AGP 10 — see /gradle.properties for full context.
+# Revisit alongside the next major library release.
 android.builtInKotlin=false
 android.newDsl=false