diff --git a/java/com/android/dialer/app/contactinfo/ExpirableCacheHeadlessFragment.java b/java/com/android/dialer/app/contactinfo/ExpirableCacheHeadlessFragment.java
index 61f8497..dc059d8 100644
--- a/java/com/android/dialer/app/contactinfo/ExpirableCacheHeadlessFragment.java
+++ b/java/com/android/dialer/app/contactinfo/ExpirableCacheHeadlessFragment.java
@@ -20,7 +20,6 @@
 import android.os.Bundle;
 
 import androidx.annotation.NonNull;
-import androidx.appcompat.app.AppCompatActivity;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 
@@ -41,11 +40,6 @@
       ExpirableCache.create(CONTACT_INFO_CACHE_SIZE);
 
   @NonNull
-  public static ExpirableCacheHeadlessFragment attach(@NonNull AppCompatActivity parentActivity) {
-    return attach(parentActivity.getSupportFragmentManager());
-  }
-
-  @NonNull
   public static ExpirableCacheHeadlessFragment attach(FragmentManager fragmentManager) {
     ExpirableCacheHeadlessFragment fragment =
         (ExpirableCacheHeadlessFragment) fragmentManager.findFragmentByTag(FRAGMENT_TAG);
diff --git a/java/com/android/dialer/callstats/CallStatsFragment.java b/java/com/android/dialer/callstats/CallStatsFragment.java
index b84cd3d..da39d08 100644
--- a/java/com/android/dialer/callstats/CallStatsFragment.java
+++ b/java/com/android/dialer/callstats/CallStatsFragment.java
@@ -40,7 +40,6 @@
 
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
-import androidx.appcompat.app.AppCompatActivity;
 import androidx.fragment.app.Fragment;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -109,7 +108,7 @@
     setHasOptionsMenu(true);
 
     ExpirableCacheHeadlessFragment cacheFragment =
-        ExpirableCacheHeadlessFragment.attach((AppCompatActivity) getActivity());
+        ExpirableCacheHeadlessFragment.attach(getChildFragmentManager());
     mAdapter = new CallStatsAdapter(getActivity(),
         ContactsComponent.get(requireActivity()).contactDisplayPreferences(),
         cacheFragment.getRetainedCache());