diff --git a/workalendar/tests/test_usa.py b/workalendar/tests/test_usa.py
index <HASH>..<HASH> 100644
--- a/workalendar/tests/test_usa.py
+++ b/workalendar/tests/test_usa.py
@@ -1164,17 +1164,9 @@ class VirginiaTest(UnitedStatesTest):
         )
 
 
-class WashingtonTest(UnitedStatesTest):
+class WashingtonTest(NoColumbus, UnitedStatesTest):
     cal_class = Washington
-
-    def test_state_year_2014(self):
-        holidays = self.cal.holidays_set(2014)
-        self.assertIn(date(2014, 11, 28), holidays)  # Thanksgiving Friday
-
-    def test_state_year_2015(self):
-        holidays = self.cal.holidays_set(2015)
-        self.assertIn(date(2015, 7, 3), holidays)
-        self.assertIn(date(2015, 11, 27), holidays)  # Thanksgiving Friday
+    # NOTE: Washington State includes all federal holidays, except Columbus Day
 
 
 class WestVirginiaTest(UnitedStatesTest):
diff --git a/workalendar/usa/washington.py b/workalendar/usa/washington.py
index <HASH>..<HASH> 100644
--- a/workalendar/usa/washington.py
+++ b/workalendar/usa/washington.py
@@ -7,4 +7,4 @@ from .core import UnitedStates
 
 class Washington(UnitedStates):
     """Washington"""
-    include_thanksgiving_friday = True
+    include_columbus_day = False
refs #<I> -- Fixed Washington

* Removed Thanksgiving Friday,
* Removed Columbus Day