diff --git a/cmds/installd/InstalldNativeService.h b/cmds/installd/InstalldNativeService.h
index ae257df..e156b5e 100644
--- a/cmds/installd/InstalldNativeService.h
+++ b/cmds/installd/InstalldNativeService.h
@@ -144,7 +144,7 @@
 
     binder::Status rmPackageDir(const std::string& packageDir);
     binder::Status freeCache(const std::optional<std::string>& uuid, int64_t targetFreeBytes,
-            int64_t cacheReservedBytes, int32_t flags);
+            int32_t flags);
     binder::Status linkNativeLibraryDirectory(const std::optional<std::string>& uuid,
             const std::string& packageName, const std::string& nativeLibPath32, int32_t userId);
     binder::Status createOatDir(const std::string& oatDir, const std::string& instructionSet);