diff --git a/apex/androidmk.go b/apex/androidmk.go
index 99cd75e..4408283 100644
--- a/apex/androidmk.go
+++ b/apex/androidmk.go
@@ -450,21 +450,12 @@
 					fmt.Fprintf(w, dist)
 				}
 
-				if a.apisUsedByModuleFile.String() != "" {
+				if a.coverageOutputPath.String() != "" {
 					goal := "apps_only"
-					distFile := a.apisUsedByModuleFile.String()
+					distFile := a.coverageOutputPath.String()
 					fmt.Fprintf(w, "ifneq (,$(filter $(my_register_name),$(TARGET_BUILD_APPS)))\n"+
 						" $(call dist-for-goals,%s,%s:ndk_apis_usedby_apex/$(notdir %s))\n"+
-						"endif\n",
-						goal, distFile, distFile)
-				}
-
-				if a.apisBackedByModuleFile.String() != "" {
-					goal := "apps_only"
-					distFile := a.apisBackedByModuleFile.String()
-					fmt.Fprintf(w, "ifneq (,$(filter $(my_register_name),$(TARGET_BUILD_APPS)))\n"+
-						" $(call dist-for-goals,%s,%s:ndk_apis_backedby_apex/$(notdir %s))\n"+
-						"endif\n",
+						"endif",
 						goal, distFile, distFile)
 				}
 			}
diff --git a/apex/apex.go b/apex/apex.go
index 384d6c7..507d3ed 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -390,8 +390,7 @@
 	isCompressed bool
 
 	// Path of API coverage generate file
-	apisUsedByModuleFile   android.ModuleOutPath
-	apisBackedByModuleFile android.ModuleOutPath
+	coverageOutputPath android.ModuleOutPath
 }
 
 // apexFileClass represents a type of file that can be included in APEX.
diff --git a/apex/builder.go b/apex/builder.go
index 67314d8..e6bc3bd 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -687,7 +687,7 @@
 		implicitInputs = append(implicitInputs, unsignedOutputFile)
 
 		// Run coverage analysis
-		apisUsedbyOutputFile := android.PathForModuleOut(ctx, a.Name()+"_using.txt")
+		apisUsedbyOutputFile := android.PathForModuleOut(ctx, a.Name()+".txt")
 		ctx.Build(pctx, android.BuildParams{
 			Rule:        generateAPIsUsedbyApexRule,
 			Implicits:   implicitInputs,
@@ -698,19 +698,7 @@
 				"readelf":   "${config.ClangBin}/llvm-readelf",
 			},
 		})
-		a.apisUsedByModuleFile = apisUsedbyOutputFile
-
-		apisBackedbyOutputFile := android.PathForModuleOut(ctx, a.Name()+"_backing.txt")
-		ndkLibraryList := android.PathForSource(ctx, "system/core/rootdir/etc/public.libraries.android.txt")
-		rule := android.NewRuleBuilder(pctx, ctx)
-		rule.Command().
-			Tool(android.PathForSource(ctx, "build/soong/scripts/gen_ndk_backedby_apex.sh")).
-			Text(imageDir.String()).
-			Implicits(implicitInputs).
-			Output(apisBackedbyOutputFile).
-			Input(ndkLibraryList)
-		rule.Build("ndk_backedby_list", "Generate API libraries backed by Apex")
-		a.apisBackedByModuleFile = apisBackedbyOutputFile
+		a.coverageOutputPath = apisUsedbyOutputFile
 
 		bundleConfig := a.buildBundleConfig(ctx)
 
diff --git a/scripts/gen_ndk_backedby_apex.sh b/scripts/gen_ndk_backedby_apex.sh
deleted file mode 100644
index e0da602..0000000
--- a/scripts/gen_ndk_backedby_apex.sh
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/bin/bash -e
-
-# Copyright 2020 Google Inc. All rights reserved.
-#
-# 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.
-
-# Generates NDK API txt file used by Mainline modules. NDK APIs would have value
-# "UND" in Ndx column and have suffix "@LIB_NAME" in Name column.
-# For example, current line llvm-readelf output is:
-# 1: 00000000     0     FUNC      GLOBAL  DEFAULT   UND   dlopen@LIBC
-# After the parse function below "dlopen" would be write to the output file.
-printHelp() {
-    echo "**************************** Usage Instructions ****************************"
-    echo "This script is used to generate the Mainline modules backed-by NDK symbols."
-    echo ""
-    echo "To run this script use: ./ndk_backedby_module.sh \$BINARY_IMAGE_DIRECTORY \$OUTPUT_FILE_PATH \$NDK_LIB_NAME_LIST"
-    echo "For example: If all the module image files that you would like to run is under directory '/myModule' and output write to /backedby.txt then the command would be:"
-    echo "./ndk_usedby_module.sh /myModule /backedby.txt /ndkLibList.txt"
-    echo "If the module1 is backing lib1 then the backedby.txt would contains: "
-    echo "lib1"
-}
-
-genBackedByList() {
-  dir="$1"
-  [[ ! -e "$2" ]] && echo "" >> "$2"
-  while IFS= read -r line
-  do
-    soFileName=$(echo "$line" | sed 's/\(.*so\).*/\1/')
-    if [[ ! -z "$soFileName" && "$soFileName" != *"#"* ]]
-    then
-      find "$dir" -type f -name "$soFileName" -exec echo "$soFileName" >> "$2" \;
-    fi
-  done < "$3"
-}
-
-if [[ "$1" == "help" ]]
-then
-  printHelp
-elif [[ "$#" -ne 3 ]]
-then
-  echo "Wrong argument length. Expecting 3 argument representing image file directory, output path, path to ndk library list."
-else
-  [[ -e "$2" ]] && rm "$2"
-  genBackedByList "$1" "$2" "$3"
-fi