diff --git a/SymbolCollisionTest/Podfile b/SymbolCollisionTest/Podfile
index ed076ea6c82..e9a2235ca66 100644
--- a/SymbolCollisionTest/Podfile
+++ b/SymbolCollisionTest/Podfile
@@ -31,6 +31,7 @@ target 'SymbolCollisionTest' do
 #    pod 'FirebaseUI'. - requires use_frameworks!
 
   # Other Google Pods
+#    pod 'ARCore' Conflicts with FirebasePerformance via Clearcut and google-cast-sdk
 #    pod 'Blockly' This is a Swift Pod and requires usage of use_frameworks!
     pod 'Crashlytics'
     pod 'DigitsMigrationHelper'