diff --git a/tsdb/head_wal.go b/tsdb/head_wal.go
index 19520a7d2..bfd49b47a 100644
--- a/tsdb/head_wal.go
+++ b/tsdb/head_wal.go
@@ -589,9 +589,6 @@ func (wp *walSubsetProcessor) processWALSamples(h *Head, mmappedChunks, oooMmapp
 			if s.T <= ms.mmMaxTime {
 				continue
 			}
-			if s.T <= ms.mmMaxTime {
-				continue
-			}
 			if _, chunkCreated := ms.append(s.T, s.V, 0, appendChunkOpts); chunkCreated {
 				h.metrics.chunksCreated.Inc()
 				h.metrics.chunks.Inc()