diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetwork.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetwork.aidl
index 35d3807..c115c86 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetwork.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetwork.aidl
@@ -74,5 +74,4 @@
   oneway void triggerEmergencyNetworkScan(int serial, in android.hardware.radio.network.EmergencyNetworkScanTrigger request);
   oneway void cancelEmergencyNetworkScan(int serial, boolean resetScan);
   oneway void exitEmergencyMode(in int serial);
-  oneway void setNullCipherAndIntegrityEnabled(in int serial, in boolean enabled);
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkResponse.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkResponse.aidl
index 141250d..24d587e 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkResponse.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkResponse.aidl
@@ -73,5 +73,4 @@
   oneway void triggerEmergencyNetworkScanResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void exitEmergencyModeResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void cancelEmergencyNetworkScanResponse(in android.hardware.radio.RadioResponseInfo info);
-  oneway void setNullCipherAndIntegrityEnabledResponse(in android.hardware.radio.RadioResponseInfo info);
 }
diff --git a/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl b/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl
index 28a69ac..574798a 100644
--- a/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl
+++ b/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl
@@ -482,24 +482,4 @@
      * Response function is IRadioEmergencyResponse.exitEmergencyModeResponse()
      */
     void exitEmergencyMode(in int serial);
-
-    /**
-     * Set if null encryption and integrity modes are enabled. If the value of enabled is false
-     * the modem must not allow any network communications with null ciphering or null integrity
-     * modes. In case of an emergency call, the modem must bypass this setting.
-     *
-     * Null ciphering and integrity modes include (but are not limited to):
-     * 2G: A5/0
-     * 3G: UEA0 and UIA0
-     * 4G: EEA0 and EIA0
-     * 5G: NEA0 and NIA0
-     *
-     *
-     * @param serial Serial number of the request.
-     * @param enabled To allow null encryption/integrity, set to true.
-     *                Otherwise, false.
-     *
-     * Response callback is IRadioResponse.setNullCipherAndIntegrityEnabledResponse()
-     */
-    void setNullCipherAndIntegrityEnabled(in int serial, in boolean enabled);
 }
diff --git a/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl b/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl
index 0cde5e6..fc4db2c 100644
--- a/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl
+++ b/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl
@@ -632,14 +632,4 @@
      *   RadioError:MODEM_ERR
      */
     void cancelEmergencyNetworkScanResponse(in RadioResponseInfo info);
-
-    /**
-     * @param info Response info struct containing response type, serial no. and error
-     *
-     * Valid errors returned:
-     *   RadioError:NONE
-     *   RadioError:RADIO_NOT_AVAILABLE
-     *   RadioError:MODEM_ERR
-     */
-    void setNullCipherAndIntegrityEnabledResponse(in RadioResponseInfo info);
 }
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioNetwork.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioNetwork.h
index 2e0488d..5dd6f0a 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioNetwork.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioNetwork.h
@@ -100,8 +100,6 @@
     ::ndk::ScopedAStatus cancelEmergencyNetworkScan(int32_t serial, bool resetScan) override;
     ::ndk::ScopedAStatus exitEmergencyMode(int32_t serial) override;
 
-    ::ndk::ScopedAStatus setNullCipherAndIntegrityEnabled(int32_t serial, bool enabled) override;
-
   protected:
     std::shared_ptr<::aidl::android::hardware::radio::network::IRadioNetworkResponse> respond();
 
diff --git a/radio/aidl/compat/libradiocompat/network/RadioNetwork.cpp b/radio/aidl/compat/libradiocompat/network/RadioNetwork.cpp
index bbe7fd7..6bb6b75 100644
--- a/radio/aidl/compat/libradiocompat/network/RadioNetwork.cpp
+++ b/radio/aidl/compat/libradiocompat/network/RadioNetwork.cpp
@@ -340,11 +340,4 @@
     return ok();
 }
 
-ScopedAStatus RadioNetwork::setNullCipherAndIntegrityEnabled(int32_t serial, bool) {
-    LOG_CALL << serial;
-    LOG(ERROR) << " setNullCipherAndIntegrityEnabled is unsupported by HIDL HALs";
-    respond()->setNullCipherAndIntegrityEnabledResponse(notSupported(serial));
-    return ok();
-}
-
 }  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/vts/radio_network_response.cpp b/radio/aidl/vts/radio_network_response.cpp
index 82aaa1b..5599c03 100644
--- a/radio/aidl/vts/radio_network_response.cpp
+++ b/radio/aidl/vts/radio_network_response.cpp
@@ -293,10 +293,3 @@
     parent_network.notify(info.serial);
     return ndk::ScopedAStatus::ok();
 }
-
-ndk::ScopedAStatus RadioNetworkResponse::setNullCipherAndIntegrityEnabledResponse(
-        const RadioResponseInfo& info) {
-    rspInfo = info;
-    parent_network.notify(info.serial);
-    return ndk::ScopedAStatus::ok();
-}
diff --git a/radio/aidl/vts/radio_network_utils.h b/radio/aidl/vts/radio_network_utils.h
index 67654b1..8480825 100644
--- a/radio/aidl/vts/radio_network_utils.h
+++ b/radio/aidl/vts/radio_network_utils.h
@@ -158,9 +158,6 @@
 
     virtual ndk::ScopedAStatus cancelEmergencyNetworkScanResponse(
             const RadioResponseInfo& info) override;
-
-    virtual ndk::ScopedAStatus setNullCipherAndIntegrityEnabledResponse(
-            const RadioResponseInfo& info) override;
 };
 
 /* Callback class for radio network indication */