diff --git a/conda_env.yml b/conda_env.yml
index e141fbe3..a899019b 100644
--- a/conda_env.yml
+++ b/conda_env.yml
@@ -11,7 +11,6 @@ dependencies:
 - matplotlib
 - numpy
 - psutil
-- pyqt=4.11.4
 - scipy
 
 - pip: