diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
index 76ade37..1eaa1cb 100644
--- a/src/backend/storage/buffer/bufmgr.c
+++ b/src/backend/storage/buffer/bufmgr.c
@@ -432,7 +432,7 @@ static Buffer ReadBuffer_common(SMgrRelation reln, char relpersistence,
 				  ForkNumber forkNum, BlockNumber blockNum,
 				  ReadBufferMode mode, BufferAccessStrategy strategy,
 				  bool *hit);
-static bool PinBuffer(BufferDesc *buf, BufferAccessStrategy strategy);
+static bool PinBuffer(BufferDesc *buf);
 static void PinBuffer_Locked(BufferDesc *buf);
 static void UnpinBuffer(BufferDesc *buf, bool fixOwner);
 static void BufferSync(int flags);
@@ -1020,7 +1020,7 @@ BufferAlloc(SMgrRelation smgr, char relpersistence, ForkNumber forkNum,
 		 */
 		buf = GetBufferDescriptor(buf_id);
 
-		valid = PinBuffer(buf, strategy);
+		valid = PinBuffer(buf);
 
 		/* Can release the mapping lock as soon as we've pinned it */
 		LWLockRelease(newPartitionLock);
@@ -1232,7 +1232,7 @@ BufferAlloc(SMgrRelation smgr, char relpersistence, ForkNumber forkNum,
 
 			buf = GetBufferDescriptor(buf_id);
 
-			valid = PinBuffer(buf, strategy);
+			valid = PinBuffer(buf);
 
 			/* Can release the mapping lock as soon as we've pinned it */
 			LWLockRelease(newPartitionLock);
@@ -1563,7 +1563,7 @@ ReleaseAndReadBuffer(Buffer buffer,
  * some callers to avoid an extra spinlock cycle.
  */
 static bool
-PinBuffer(BufferDesc *buf, BufferAccessStrategy strategy)
+PinBuffer(BufferDesc *buf)
 {
 	Buffer		b = BufferDescriptorGetBuffer(buf);
 	bool		result;