diff --git a/ChangeLog b/ChangeLog
index 114e8b526..2d391d74c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,8 @@
           (thanks to Ralph Bean).
 - Added 'juhannus' as a synonym for 'midsommarafton'
           (thanks to Lynoure Braakman).
+- Deprecated the 'DUETODAY' virtual tag, which is a synonym for the 'TODAY'
+  virtual tag.
 - Removed deprecated 'alias._query' setting.
 
 2.5.1 (2016-02-24) 8b4ae3b54b44dfbd00b96cdd6dceb8dfe7cc1ea0
diff --git a/NEWS b/NEWS
index ec110212d..622098373 100644
--- a/NEWS
+++ b/NEWS
@@ -13,7 +13,8 @@ New Configuration Options in Taskwarrior 2.5.2
 
 Newly Deprecated Features in Taskwarrior 2.5.2
 
-  -
+  - The 'DUETODAY' virtual tag is a synonym for the 'TODAY' virtual tag, and is
+    not needed.
 
 Removed Features in 2.5.2
 
diff --git a/doc/man/task.1.in b/doc/man/task.1.in
index 3a9670b91..ac6707c6e 100644
--- a/doc/man/task.1.in
+++ b/doc/man/task.1.in
@@ -682,7 +682,6 @@ are:
     COMPLETED    Matches if the task has completed status
     DELETED      Matches if the task has deleted status
     DUE          Matches if the task is due
-    DUETODAY     Matches if the task is due today
     LATEST       Matches if the task is the newest added task
     MONTH        Matches if the task is due this month
     ORPHAN       Matches if the task has any orphaned UDA values
diff --git a/src/Task.cpp b/src/Task.cpp
index 6ac7c952c..884e7f23e 100644
--- a/src/Task.cpp
+++ b/src/Task.cpp
@@ -1212,7 +1212,7 @@ bool Task::hasTag (const std::string& tag) const
 #ifdef PRODUCT_TASKWARRIOR
     if (tag == "READY")     return is_ready ();
     if (tag == "DUE")       return is_due ();
-    if (tag == "DUETODAY")  return is_duetoday ();
+    if (tag == "DUETODAY")  return is_duetoday ();          // 2016-03-29: Deprecated in 2.6.0
     if (tag == "TODAY")     return is_duetoday ();
     if (tag == "YESTERDAY") return is_dueyesterday ();
     if (tag == "TOMORROW")  return is_duetomorrow ();