diff --git a/radio/1.3/IRadio.hal b/radio/1.3/IRadio.hal
index 2d64381..d582c71 100644
--- a/radio/1.3/IRadio.hal
+++ b/radio/1.3/IRadio.hal
@@ -17,12 +17,8 @@
 package android.hardware.radio@1.3;
 
 import @1.2::IRadio;
-import @1.1::RadioAccessSpecifier;
 
 /**
- * Note: IRadio 1.3 is an intermediate layer between Android P and Android Q. It's specifically
- * designed for CBRS related interfaces. All other interfaces for Q are added in IRadio 1.4.
- *
  * This interface is used by telephony and telecom to talk to cellular radio.
  * All the functions have minimum one parameter:
  * serial: which corresponds to serial no. of request. Serial numbers must only be memorized for the
@@ -31,33 +27,4 @@
  * setResponseFunctions must work with @1.1::IRadioResponse and @1.1::IRadioIndication.
  */
 interface IRadio extends @1.2::IRadio {
-    /**
-     * Specify which bands modem's background scan must act on.
-     * If specifyChannels is true, it only scans bands specified in specifiers.
-     * If specifyChannels is false, it scans all bands.
-     *
-     * For example, CBRS is only on LTE band 48. By specifying this band,
-     * modem saves more power.
-     *
-     * @param serial Serial number of request.
-     * @param specifyChannels whether to scan bands defined in specifiers.
-     * @param specifiers which bands to scan. Only used if specifyChannels is true.
-     *
-     * Response callback is IRadioResponse.setSystemSelectionChannelsResponse()
-     */
-    oneway setSystemSelectionChannels(int32_t serial, bool specifyChannels,
-            vec<RadioAccessSpecifier> specifiers);
-
-   /**
-    * Toggle logical modem on and off. It should put the logical modem in low power
-    * mode without any activity, while the SIM card remains visible. The difference
-    * with setRadioPower is, setRadioPower affects all logical modem while this controls
-    * just one.
-    *
-    * @param serial Serial number of request.
-    * @param on True to turn on the logical modem, otherwise turn it off.
-    *
-    * Response function is IRadioResponse.enableModemResponse()
-    */
-    oneway enableModem(int32_t serial, bool on);
 };
diff --git a/radio/1.3/IRadioResponse.hal b/radio/1.3/IRadioResponse.hal
index abdf2ee..2bcdd02 100644
--- a/radio/1.3/IRadioResponse.hal
+++ b/radio/1.3/IRadioResponse.hal
@@ -17,33 +17,9 @@
 package android.hardware.radio@1.3;
 
 import @1.2::IRadioResponse;
-import @1.0::RadioResponseInfo;
 
 /**
- * Note: IRadio 1.3 is an intermediate layer between Android P and Android Q. It's specifically
- * designed for CBRS related interfaces. All other interfaces for Q are added in IRadio 1.4.
- *
  * Interface declaring response functions to solicited radio requests.
  */
 interface IRadioResponse extends @1.2::IRadioResponse {
-    /**
-     * @param info Response info struct containing response type, serial no. and error
-     *
-     * Valid errors returned:
-     *   RadioError:NONE
-     *   RadioError:RADIO_NOT_AVAILABLE
-     *   RadioError:INTERNAL_ERR
-     *   RadioError:INVALID_ARGUMENTS
-     */
-    oneway setSystemSelectionChannelsResponse(RadioResponseInfo info);
-
-    /**
-     * @param info Response info struct containing response type, serial no. and error
-     *
-     * Valid errors returned:
-     *   RadioError:NONE
-     *   RadioError:RADIO_NOT_AVAILABLE
-     *   RadioError:INTERNAL_ERR
-     */
-    oneway enableModemResponse(RadioResponseInfo info);
 };
diff --git a/radio/config/1.1/Android.bp b/radio/config/1.1/Android.bp
index 056510c..10c4c98 100644
--- a/radio/config/1.1/Android.bp
+++ b/radio/config/1.1/Android.bp
@@ -7,20 +7,14 @@
         enabled: true,
     },
     srcs: [
-        "IRadioConfig.hal",
         "IRadioConfigIndication.hal",
         "IRadioConfigResponse.hal",
-        "types.hal",
     ],
     interfaces: [
         "android.hardware.radio.config@1.0",
         "android.hardware.radio@1.0",
         "android.hidl.base@1.0",
     ],
-    types: [
-        "ModemInfo",
-        "PhoneCapability",
-    ],
     gen_java: true,
 }
 
diff --git a/radio/config/1.1/IRadioConfig.hal b/radio/config/1.1/IRadioConfig.hal
deleted file mode 100644
index bc63339..0000000
--- a/radio/config/1.1/IRadioConfig.hal
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.hardware.radio.config@1.1;
-
-import @1.0::IRadioConfig;
-import @1.1::IRadioConfigResponse;
-import @1.1::PhoneCapability;
-
-/**
- * Note: IRadioConfig 1.1 is an intermediate layer between Android P and Android Q.
- * It's specifically designed for CBRS related interfaces. All other interfaces
- * for Q are added in IRadioConfig 1.2.
- *
- * This interface is used by telephony and telecom to talk to cellular radio for the purpose of
- * radio configuration, and it is not associated with any specific modem or slot.
- * All the functions have minimum one parameter:
- * serial: which corresponds to serial no. of request. Serial numbers must only be memorized for the
- * duration of a method call. If clients provide colliding serials (including passing the same
- * serial to different methods), multiple responses (one for each method call) must still be served.
- */
-interface IRadioConfig extends @1.0::IRadioConfig {
-   /**
-     * Request current phone capability.
-     *
-     * @param serial Serial number of request.
-     *
-     * Response callback is IRadioResponse.getPhoneCapabilityResponse() which
-     * will return <@1.1::PhoneCapability>.
-     */
-    oneway getPhoneCapability(int32_t serial);
-
-   /**
-     * Set preferred data modem Id.
-     * In a multi-SIM device, notify modem layer which logical modem will be used primarily
-     * for data. It helps modem with resource optimization and decisions of what data connections
-     * should be satisfied.
-     *
-     * @param serial Serial number of request.
-     * @param modem Id the logical modem ID, which should match one of modem IDs returned
-     * from getPhoneCapability().
-     *
-     * Response callback is IRadioConfigResponse.setPreferredDataModemResponse()
-     */
-    oneway setPreferredDataModem(int32_t serial, uint8_t modemId);
-};
diff --git a/radio/config/1.1/IRadioConfigResponse.hal b/radio/config/1.1/IRadioConfigResponse.hal
index ec0e0ec..5d75600 100644
--- a/radio/config/1.1/IRadioConfigResponse.hal
+++ b/radio/config/1.1/IRadioConfigResponse.hal
@@ -17,37 +17,9 @@
 package android.hardware.radio.config@1.1;
 
 import @1.0::IRadioConfigResponse;
-import @1.1::PhoneCapability;
-import android.hardware.radio@1.0::RadioResponseInfo;
 
 /**
- * Note: IRadioConfig 1.1 is an intermediate layer between Android P and Android Q.
- * It's specifically designed for CBRS related interfaces. All other interfaces
- * for Q should be added in IRadioConfig 1.2.
- *
  * Interface declaring response functions to solicited radio config requests.
  */
 interface IRadioConfigResponse extends @1.0::IRadioConfigResponse {
-    /**
-     * @param info Response info struct containing response type, serial no. and error
-     * @param phoneCapability <@1.1::PhoneCapability> it defines modem's capability for example
-     *        how many logical modems it has, how many data connections it supports.
-     *
-     * Valid errors returned:
-     *   RadioError:NONE
-     *   RadioError:RADIO_NOT_AVAILABLE
-     *   RadioError:INTERNAL_ERR
-     */
-    oneway getPhoneCapabilityResponse(RadioResponseInfo info, PhoneCapability phoneCapability);
-
-    /**
-     * @param info Response info struct containing response type, serial no. and error
-     *
-     * Valid errors returned:
-     *   RadioError:NONE
-     *   RadioError:RADIO_NOT_AVAILABLE
-     *   RadioError:INTERNAL_ERR
-     *   RadioError:INVALID_ARGUMENTS
-     */
-    oneway setPreferredDataModemResponse(RadioResponseInfo info);
 };
diff --git a/radio/config/1.1/types.hal b/radio/config/1.1/types.hal
deleted file mode 100644
index 261f3b1..0000000
--- a/radio/config/1.1/types.hal
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.hardware.radio.config@1.1;
-
-/**
- * Note: IRadioConfig 1.1 is an intermediate layer between Android P and Android Q.
- * It's specifically designed for CBRS related interfaces. All other interfaces
- * for Q should be added in IRadioConfig 1.2.
- */
-
-/**
- * A field in PhoneCapability that has information of each logical modem.
- */
-struct ModemInfo {
-    /**
-     * Logical modem ID.
-     */
-    uint8_t modemId;
-};
-
-/**
- * Phone capability which describes the data connection capability of modem.
- * It's used to evaluate possible phone config change, for example from single
- * SIM device to multi-SIM device.
- */
-struct PhoneCapability {
-    /**
-     * maxActiveData defines how many logical modems can have
-     * PS attached simultaneously. For example, for L+L modem it
-     * should be 2.
-     */
-    uint8_t maxActiveData;
-    /**
-     * maxActiveData defines how many logical modems can have
-     * internet PDN connections simultaneously. For example, for L+L
-     * DSDS modem it’s 1, and for DSDA modem it’s 2.
-     */
-    uint8_t maxActiveInternetData;
-    /**
-     * Whether modem supports both internet PDN up so
-     * that we can do ping test before tearing down the
-     * other one.
-     */
-    bool isInternetLingeringSupported;
-    /**
-     * List of logical modem information.
-     */
-    vec<ModemInfo> logicalModemList;
-};