diff --git a/src/hotspot/share/memory/allocation.hpp b/src/hotspot/share/memory/allocation.hpp
index 9d989ea3bbf..3c2eecd11d5 100644
--- a/src/hotspot/share/memory/allocation.hpp
+++ b/src/hotspot/share/memory/allocation.hpp
@@ -549,7 +549,7 @@ class MallocArrayAllocator : public AllStatic {
   static size_t size_for(size_t length);
 
   static E* allocate(size_t length, MEMFLAGS flags);
-  static void free(E* addr, size_t length);
+  static void free(E* addr);
 };
 
 #endif // SHARE_VM_MEMORY_ALLOCATION_HPP
diff --git a/src/hotspot/share/memory/allocation.inline.hpp b/src/hotspot/share/memory/allocation.inline.hpp
index eab548503b5..b4eae3be0b4 100644
--- a/src/hotspot/share/memory/allocation.inline.hpp
+++ b/src/hotspot/share/memory/allocation.inline.hpp
@@ -105,7 +105,7 @@ E* MallocArrayAllocator<E>::allocate(size_t length, MEMFLAGS flags) {
 }
 
 template<class E>
-void MallocArrayAllocator<E>::free(E* addr, size_t /*length*/) {
+void MallocArrayAllocator<E>::free(E* addr) {
   FreeHeap(addr);
 }
 
@@ -152,7 +152,7 @@ E* ArrayAllocator<E>::reallocate(E* old_addr, size_t old_length, size_t new_leng
 
 template<class E>
 void ArrayAllocator<E>::free_malloc(E* addr, size_t length) {
-  MallocArrayAllocator<E>::free(addr, length);
+  MallocArrayAllocator<E>::free(addr);
 }
 
 template<class E>