diff --git a/Android.mk b/Android.mk
index 74b96d4..2feb141 100644
--- a/Android.mk
+++ b/Android.mk
@@ -17,35 +17,6 @@
 LOCAL_PATH := $(call my-dir)
 
 #
-# Prebuilt Java Libraries
-#
-include $(CLEAR_VARS)
-LOCAL_MODULE := libSharedSystemUI
-LOCAL_MODULE_TAGS := optional
-LOCAL_MODULE_CLASS := JAVA_LIBRARIES
-LOCAL_SRC_FILES := quickstep/libs/sysui_shared.jar
-LOCAL_UNINSTALLABLE_MODULE := true
-LOCAL_SDK_VERSION := current
-include $(BUILD_PREBUILT)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := libPluginCore
-LOCAL_MODULE_TAGS := optional
-LOCAL_MODULE_CLASS := JAVA_LIBRARIES
-LOCAL_SRC_FILES := libs/plugin_core.jar
-LOCAL_UNINSTALLABLE_MODULE := true
-LOCAL_SDK_VERSION := current
-include $(BUILD_PREBUILT)
-
-include $(CLEAR_VARS)
-LOCAL_MODULE := libLauncherProtos
-LOCAL_MODULE_TAGS := optional
-LOCAL_MODULE_CLASS := JAVA_LIBRARIES
-LOCAL_SRC_FILES := libs/launcher_protos.jar
-LOCAL_UNINSTALLABLE_MODULE := true
-LOCAL_SDK_VERSION := current
-include $(BUILD_PREBUILT)
-#
 # Build rule for plugin lib (needed to write a plugin).
 #
 include $(CLEAR_VARS)
diff --git a/libs/README.txt b/libs/README.txt
deleted file mode 100644
index 9109592..0000000
--- a/libs/README.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-These jar are compiled in the frameworks/base of the platform tree.
-
-launcher_protos.jar is defined as launcherprotosnano in the following file:
-frameworks/base/core/protos/android/stats/launcher/Android.bp
-
-plugin_core.jar is defined as PluginCoreLib in the following file:
-frameworks/base/packages/SystemUI/plugin/Android.bp
-
diff --git a/libs/launcher_protos.jar b/libs/launcher_protos.jar
deleted file mode 100644
index c043936..0000000
--- a/libs/launcher_protos.jar
+++ /dev/null
Binary files differ
diff --git a/libs/plugin_core.jar b/libs/plugin_core.jar
deleted file mode 100644
index dd27f86..0000000
--- a/libs/plugin_core.jar
+++ /dev/null
Binary files differ
diff --git a/quickstep/libs/sysui_shared.jar b/quickstep/libs/sysui_shared.jar
deleted file mode 100644
index 4b64ad4..0000000
--- a/quickstep/libs/sysui_shared.jar
+++ /dev/null
Binary files differ