diff --git a/requirements-dev.txt b/requirements-dev.txt
index 754073f4..e647209c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -8,8 +8,6 @@ tqdm
 pathos
 taichi==1.7.0
 numba
-braincore
-braintools
 
 
 # test requirements