diff --git a/requirements_dev.txt b/requirements_dev.txt
index 374c6d93a72513b0d470006d199f6b558d298b66..6fd16dd56ec083a3e7ca9ae4bdfef74de558e6b6 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,6 @@ numpy==1.16.2
 recordtype==1.3
 xarray==0.11.3
 matplotlib==3.0.2
-PyQt5==5.12
 Pillow==5.4.1
 # see setup.py pycairo==1.18.1
 CairoSVG==2.3.1