diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
index a8c80cf5d5ba..6528ed566e11 100644
--- a/lib/matplotlib/axes/_axes.py
+++ b/lib/matplotlib/axes/_axes.py
@@ -1189,8 +1189,6 @@ def eventplot(self, positions, orientation='horizontal', lineoffsets=1,
             linelengths = [None]
         if len(linewidths) == 0:
             lineoffsets = [None]
-        if len(linewidths) == 0:
-            lineoffsets = [None]
         if len(colors) == 0:
             colors = [None]