diff --git a/Headers/Foundation/NSDateInterval.h b/Headers/Foundation/NSDateInterval.h
index f97c94972..962a9bbd7 100644
--- a/Headers/Foundation/NSDateInterval.h
+++ b/Headers/Foundation/NSDateInterval.h
@@ -39,7 +39,6 @@ extern "C" {
 {
   NSTimeInterval _duration;
   NSDate *_startDate;
-  NSDate *_endDate;
 }
   
 // Init
diff --git a/Source/NSDateInterval.m b/Source/NSDateInterval.m
index 20b66d574..8bbda9a4d 100644
--- a/Source/NSDateInterval.m
+++ b/Source/NSDateInterval.m
@@ -1,4 +1,3 @@
-
 /* Implementation of class NSDateInterval
    Copyright (C) 2019 Free Software Foundation, Inc.
    
@@ -60,7 +59,6 @@
   if(self != nil)
     {
       ASSIGNCOPY(_startDate, startDate);
-      ASSIGNCOPY(_endDate, endDate);
       _duration = [endDate timeIntervalSinceDate: startDate];
     }
   return self;