diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index dc5c6c0f67307..b3ba0e4ff23f2 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -2532,8 +2532,6 @@ def drop_duplicates(self, cols=None, take_last=False, inplace=False):
             default use all of the columns
         take_last : boolean, default False
             Take the last observed row in a row. Defaults to the first row
-        skipna : boolean, default True
-            If True then keep NaN
         inplace : boolean, default False
             Whether to drop duplicates in place or to return a copy