diff --git a/cmds/installd/InstalldNativeService.cpp b/cmds/installd/InstalldNativeService.cpp
index ede31fc..4589241 100644
--- a/cmds/installd/InstalldNativeService.cpp
+++ b/cmds/installd/InstalldNativeService.cpp
@@ -1890,6 +1890,22 @@
     return error();
 }
 
+binder::Status InstalldNativeService::removeIdmap(const std::string& overlayApkPath) {
+    const char* overlay_apk = overlayApkPath.c_str();
+    char idmap_path[PATH_MAX];
+
+    if (flatten_path(IDMAP_PREFIX, IDMAP_SUFFIX, overlay_apk,
+                idmap_path, sizeof(idmap_path)) == -1) {
+        ALOGE("idmap cannot generate idmap path for overlay %s\n", overlay_apk);
+        return error();
+    }
+    if (unlink(idmap_path) < 0) {
+        ALOGE("couldn't unlink idmap file %s\n", idmap_path);
+        return error();
+    }
+    return ok();
+}
+
 binder::Status InstalldNativeService::restoreconAppData(const std::unique_ptr<std::string>& uuid,
         const std::string& packageName, int32_t userId, int32_t flags, int32_t appId,
         const std::string& seInfo) {
diff --git a/cmds/installd/InstalldNativeService.h b/cmds/installd/InstalldNativeService.h
index 0a9f12f..c8b5927 100644
--- a/cmds/installd/InstalldNativeService.h
+++ b/cmds/installd/InstalldNativeService.h
@@ -92,6 +92,7 @@
 
     binder::Status idmap(const std::string& targetApkPath, const std::string& overlayApkPath,
             int32_t uid);
+    binder::Status removeIdmap(const std::string& overlayApkPath);
     binder::Status rmPackageDir(const std::string& packageDir);
     binder::Status markBootComplete(const std::string& instructionSet);
     binder::Status freeCache(const std::unique_ptr<std::string>& uuid, int64_t freeStorageSize,
diff --git a/cmds/installd/binder/android/os/IInstalld.aidl b/cmds/installd/binder/android/os/IInstalld.aidl
index aa5e4f2..4b1496f 100644
--- a/cmds/installd/binder/android/os/IInstalld.aidl
+++ b/cmds/installd/binder/android/os/IInstalld.aidl
@@ -58,6 +58,7 @@
     void destroyAppProfiles(@utf8InCpp String packageName);
 
     void idmap(@utf8InCpp String targetApkPath, @utf8InCpp String overlayApkPath, int uid);
+    void removeIdmap(@utf8InCpp String overlayApkPath);
     void rmPackageDir(@utf8InCpp String packageDir);
     void markBootComplete(@utf8InCpp String instructionSet);
     void freeCache(@nullable @utf8InCpp String uuid, long freeStorageSize, int flags);