diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index aa3ae49..3b6f8c5 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -1,3 +1,2 @@
 + English-only comments and documentations
-+ Check dev.md first
 + Avoid redundant getters/setters