diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index cd6a98def99e2..4138e2950d93b 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -4768,28 +4768,6 @@ public class TelephonyManager {
         }
     }
 
-    /**
-     * Returns the response of ISIM Authetification through RIL.
-     * Returns null if the Authentification hasn't been successed or isn't present iphonesubinfo.
-     * @return the response of ISIM Authetification, or null if not available
-     * @hide
-     * @deprecated
-     * @see getIccAuthentication with appType=PhoneConstants.APPTYPE_ISIM
-     */
-    public String getIsimChallengeResponse(String nonce){
-        try {
-            IPhoneSubInfo info = getSubscriberInfo();
-            if (info == null)
-                return null;
-            return info.getIsimChallengeResponse(nonce);
-        } catch (RemoteException ex) {
-            return null;
-        } catch (NullPointerException ex) {
-            // This could happen before phone restarts due to crashing
-            return null;
-        }
-    }
-
     // ICC SIM Application Types
     /** UICC application type is SIM */
     public static final int APPTYPE_SIM = PhoneConstants.APPTYPE_SIM;
diff --git a/telephony/java/com/android/internal/telephony/IPhoneSubInfo.aidl b/telephony/java/com/android/internal/telephony/IPhoneSubInfo.aidl
index 0f31821369970..303a06883ba70 100644
--- a/telephony/java/com/android/internal/telephony/IPhoneSubInfo.aidl
+++ b/telephony/java/com/android/internal/telephony/IPhoneSubInfo.aidl
@@ -194,14 +194,6 @@ interface IPhoneSubInfo {
      */
     String[] getIsimPcscf(int subId);
 
-    /**
-     * TODO: Deprecate and remove this interface. Superceded by getIccsimChallengeResponse.
-     * Returns the response of ISIM Authetification through RIL.
-     * @return the response of ISIM Authetification, or null if
-     *     the Authentification hasn't been successed or isn't present iphonesubinfo.
-     */
-    String getIsimChallengeResponse(String nonce);
-
     /**
      * Returns the response of the SIM application on the UICC to authentication
      * challenge/response algorithm. The data string and challenge response are