diff --git a/src/LinearMath/btSerializer.h b/src/LinearMath/btSerializer.h
index 6b624122a..781421080 100644
--- a/src/LinearMath/btSerializer.h
+++ b/src/LinearMath/btSerializer.h
@@ -499,7 +499,6 @@ public:
 		writeDNA();
 
 		//if we didn't pre-allocate a buffer, we need to create a contiguous buffer now
-		int mysize = 0;
 		if (!m_totalSize)
 		{
 			if (m_buffer)
@@ -511,14 +510,12 @@ public:
 			unsigned char* currentPtr = m_buffer;
 			writeHeader(m_buffer);
 			currentPtr += BT_HEADER_LENGTH;
-			mysize += BT_HEADER_LENGTH;
 			for (int i = 0; i < m_chunkPtrs.size(); i++)
 			{
 				int curLength = sizeof(btChunk) + m_chunkPtrs[i]->m_length;
 				memcpy(currentPtr, m_chunkPtrs[i], curLength);
 				btAlignedFree(m_chunkPtrs[i]);
 				currentPtr += curLength;
-				mysize += curLength;
 			}
 		}