diff --git a/src/coreclr/inc/stresslog.h b/src/coreclr/inc/stresslog.h
index 4ee3acaeb8bb6c..35381a17cbb310 100644
--- a/src/coreclr/inc/stresslog.h
+++ b/src/coreclr/inc/stresslog.h
@@ -740,6 +740,7 @@ class ThreadStressLog {
 
 #if defined(MEMORY_MAPPED_STRESSLOG) && !defined(STRESS_LOG_ANALYZER)
     void* __cdecl operator new(size_t n, const NoThrow&) NOEXCEPT;
+    void __cdecl operator delete (void * chunk);
 #endif
 
     ~ThreadStressLog ()
diff --git a/src/coreclr/utilcode/stresslog.cpp b/src/coreclr/utilcode/stresslog.cpp
index 5d13b2ec7695ca..0d6f4cd53c93f0 100644
--- a/src/coreclr/utilcode/stresslog.cpp
+++ b/src/coreclr/utilcode/stresslog.cpp
@@ -965,6 +965,19 @@ void* __cdecl ThreadStressLog::operator new(size_t n, const NoThrow&) NOEXCEPT
     return malloc(n);
 #endif //HOST_WINDOWS
 }
+
+void __cdecl ThreadStressLog::operator delete(void* p) 
+{
+    if (StressLogChunk::s_memoryMapped)
+        return; // Giving up, we will just leak it instead of building a sophisticated allocator
+#ifdef HOST_WINDOWS
+    _ASSERTE(StressLogChunk::s_LogChunkHeap);
+    HeapFree(StressLogChunk::s_LogChunkHeap, 0, p);
+#else
+    free(p);
+#endif //HOST_WINDOWS
+}
+
 #endif //MEMORY_MAPPED_STRESSLOG
 
 #endif // STRESS_LOG