diff --git a/generation_env.yml b/generation_env.yml
index ba4c83fbd1fbf6c4673c7e7eb7919ca93b954dc2..710d770e66353189076b2d07635e471776a8656d 100644
--- a/generation_env.yml
+++ b/generation_env.yml
@@ -272,13 +272,3 @@ dependencies:
   - zipp=3.4.1
   - zlib=1.2.11
   - zstd=1.4.5
-  - pip:
-    - dnspython==1.16.0
-    - fett==0.3.2
-    - pymongo==3.11.4
-    - python-jsonrpc-server==0.3.4
-    - rstcheck==3.3.1
-    - snooty-lextudio==1.9.1.dev0
-    - ujson==1.35
-    - watchdog==1.0.2
-prefix: /idiap/temp/lcolbois/miniconda3/envs/synface