diff --git a/README.md b/README.md
index 7e8a7b2..8eda7be 100644
--- a/README.md
+++ b/README.md
@@ -110,10 +110,6 @@ have further questions, please raise an issue at the issue page.
 
 ## Limitations and future works
 
-1. For genome with low heterozygous rate, hifiasm only outputs
-   haplotype-resolved assembly graph, instead of the phased chromosome-level
-   assembly (will support such output in future).
+1. The running time and memory usage should be further reduced.
 
-2. The running time and memory usage should be further reduced.
-
-3. The N50 should be further improved. 
+2. The N50 should be further improved.