diff --git a/thirdparty/bullet/BulletSoftBody/btSoftBody.h b/thirdparty/bullet/BulletSoftBody/btSoftBody.h
index f578487b8c..dfde8fd1e4 100644
--- a/thirdparty/bullet/BulletSoftBody/btSoftBody.h
+++ b/thirdparty/bullet/BulletSoftBody/btSoftBody.h
@@ -1317,8 +1317,8 @@ public:
 		}
 		for (int k = 0; k < m_faceNodeContacts.size(); ++k)
 		{
-			int i = indices[k];
-			btSoftBody::DeformableFaceNodeContact& c = m_faceNodeContacts[i];
+			int idx = indices[k];
+			btSoftBody::DeformableFaceNodeContact& c = m_faceNodeContacts[idx];
 			btSoftBody::Node* node = c.m_node;
 			btSoftBody::Face* face = c.m_face;
 			const btVector3& w = c.m_bary;
diff --git a/thirdparty/bullet/LinearMath/btSerializer.h b/thirdparty/bullet/LinearMath/btSerializer.h
index ce4fc34e20..11592d2ccd 100644
--- a/thirdparty/bullet/LinearMath/btSerializer.h
+++ b/thirdparty/bullet/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;
 			}
 		}