diff --git a/environment.yml b/environment.yml
index da14384..65aa48f 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,11 +4,8 @@ channels:
   - conda-forge
   - defaults
 dependencies:
-  - doxygen
   - cmake
   - pygobject
-  - cairo
-  - pango
   - pip
   - pip:
     - -r requirements.txt