diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index d2244c3..1270050 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -21,10 +21,8 @@ requirements:
     - pip
     - python
   run:
-    - mock
     - nbformat >=4.0.0
     - pyyaml
-    - testfixtures
 
 test:
   imports: