diff --git a/r5dev/tier1/utlblockmemory.h b/r5dev/tier1/utlblockmemory.h
index 4e79354c..1706fae9 100644
--- a/r5dev/tier1/utlblockmemory.h
+++ b/r5dev/tier1/utlblockmemory.h
@@ -251,7 +251,7 @@ void CUtlBlockMemory<T, I>::ChangeSize(int nBlocks)
 	for (int i = m_nBlocks; i < nBlocksOld; ++i)
 	{
 		UTLBLOCKMEMORY_TRACK_FREE();
-		free((void*)m_pMemory[i]);
+		MemAllocSingleton()->Free(m_pMemory[i]);
 	}
 
 	if (m_pMemory)
@@ -305,12 +305,12 @@ void CUtlBlockMemory<T, I>::Purge()
 	for (int i = 0; i < m_nBlocks; ++i)
 	{
 		UTLBLOCKMEMORY_TRACK_FREE();
-		free((void*)m_pMemory[i]);
+		MemAllocSingleton()->Free(m_pMemory[i]);
 	}
 	m_nBlocks = 0;
 
 	UTLBLOCKMEMORY_TRACK_FREE();
-	free((void*)m_pMemory);
+	MemAllocSingleton()->Free(m_pMemory);
 	m_pMemory = 0;
 }
 
diff --git a/r5dev/tier1/utlmemory.h b/r5dev/tier1/utlmemory.h
index 81d24b1c..73d7715e 100644
--- a/r5dev/tier1/utlmemory.h
+++ b/r5dev/tier1/utlmemory.h
@@ -366,7 +366,7 @@ public:
 	// Memory deallocation
 	void Purge()
 	{
-		free(m_pMemory);
+		MemAllocSingleton()->Free(m_pMemory);
 		RememberAllocSize(0);
 		m_pMemory = NULL;
 	}
@@ -853,7 +853,7 @@ void CUtlMemory<T, I>::Purge()
 		if (m_pMemory)
 		{
 			UTLMEMORY_TRACK_FREE();
-			free((void*)m_pMemory);
+			MemAllocSingleton()->Free(m_pMemory);
 			m_pMemory = 0;
 		}
 		m_nAllocationCount = 0;
diff --git a/r5dev/tier1/utlvector.h b/r5dev/tier1/utlvector.h
index f0002688..725f9cf5 100644
--- a/r5dev/tier1/utlvector.h
+++ b/r5dev/tier1/utlvector.h
@@ -333,24 +333,23 @@ class CUtlVectorUltraConservativeAllocator
 public:
 	static void* Alloc(size_t nSize)
 	{
-		return malloc(nSize);
+		return MemAllocSingleton()->Alloc<void*>(nSize);
 	}
 
 	static void* Realloc(void* pMem, size_t nSize)
 	{
-		return realloc(pMem, nSize);
+		return MemAllocSingleton()->Realloc(pMem, nSize);
 	}
 
 	static void Free(void* pMem)
 	{
-		free(pMem);
+		MemAllocSingleton()->Free(pMem);
 	}
 
 	static size_t GetSize(void* pMem)
 	{
-		return mallocsize(pMem);
+		return MemAllocSingleton()->GetSize(pMem);
 	}
-
 };
 
 template <typename T, typename A = CUtlVectorUltraConservativeAllocator >