diff --git a/configs/audio/graphite_ipc_platform_info.xml b/configs/audio/graphite_ipc_platform_info.xml
deleted file mode 100644
index 15655fc..0000000
--- a/configs/audio/graphite_ipc_platform_info.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
-<!--- Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.       -->
-<!---                                                                           -->
-<!--- Redistribution and use in source and binary forms, with or without        -->
-<!--- modification, are permitted provided that the following conditions are    -->
-<!--- met:                                                                      -->
-<!---     * Redistributions of source code must retain the above copyright      -->
-<!---       notice, this list of conditions and the following disclaimer.       -->
-<!---     * Redistributions in binary form must reproduce the above             -->
-<!---       copyright notice, this list of conditions and the following         -->
-<!---       disclaimer in the documentation and/or other materials provided     -->
-<!---       with the distribution.                                              -->
-<!---     * Neither the name of The Linux Foundation nor the names of its       -->
-<!---       contributors may be used to endorse or promote products derived     -->
-<!---       from this software without specific prior written permission.       -->
-<!---                                                                           -->
-<!--- THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED              -->
-<!--- WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF      -->
-<!--- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT    -->
-<!--- ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS    -->
-<!--- BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR    -->
-<!--- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF      -->
-<!--- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR           -->
-<!--- BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,     -->
-<!--- WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE      -->
-<!--- OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN    -->
-<!--- IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                             -->
-<graphite_ipc_platform_info>
-    <no_of_glink_channels value="4">
-    </no_of_glink_channels>
-    <!-- channel 1 configuration -->
-    <glink_channel name="g_glink_ctrl" latency_in_us="5000"
-        no_of_intents="1" intents_size="1024">
-    </glink_channel>
-    <!-- channel 2 configuration -->
-    <glink_channel name="g_glink_persistent_data_ild" latency_in_us="30000"
-        no_of_intents="0">
-    </glink_channel>
-    <!-- channel 3 configuration -->
-    <glink_channel name="g_glink_persistent_data_nild" latency_in_us="30000"
-        no_of_intents="0">
-    </glink_channel>
-    <!-- channel 4 configuration -->
-    <glink_channel name="g_glink_audio_data" latency_in_us="10000"
-        no_of_intents="2" intents_size="4096, 4096">
-    </glink_channel>
-</graphite_ipc_platform_info>
diff --git a/device.mk b/device.mk
index fadba6e..11a078e 100644
--- a/device.mk
+++ b/device.mk
@@ -74,7 +74,6 @@ PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/configs/audio/mixer_paths_idp.xml:$(TARGET_COPY_OUT_VENDOR)/etc/mixer_paths_idp.xml
 
 PRODUCT_COPY_FILES += \
-    $(LOCAL_PATH)/configs/audio/graphite_ipc_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/graphite_ipc_platform_info.xml \
     $(LOCAL_PATH)/configs/audio/sound_trigger_mixer_paths.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_mixer_paths.xml \
     $(LOCAL_PATH)/configs/audio/sound_trigger_platform_info.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_platform_info.xml
 
diff --git a/proprietary-files.txt b/proprietary-files.txt
index 25d58fd..0a32e1a 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -57,10 +57,6 @@ vendor/lib/libadiertac.so
 vendor/lib/libadm.so
 vendor/lib/libaudcal.so
 vendor/lib/libaudioconfigstore.so
-vendor/lib/libgcs-calwrapper.so
-vendor/lib/libgcs-ipc.so
-vendor/lib/libgcs-osal.so
-vendor/lib/libgcs.so
 vendor/lib/libqtigef.so
 vendor/lib/soundfx/libasphere.so