diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 852b59f8e..8b6892f23 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -40,13 +40,12 @@ set (task_SRCS API.cpp API.h
                Variant.cpp Variant.h
                ViewTask.cpp ViewTask.h
                ViewText.cpp ViewText.h
-               command.cpp
+               helpers.cpp
                dependency.cpp
                feedback.cpp
                i18n.h
                interactive.cpp
                recur.cpp
-               report.cpp
                rules.cpp
                rx.cpp rx.h
                sort.cpp
diff --git a/src/command.cpp b/src/command.cpp
deleted file mode 100644
index 4b739487b..000000000
--- a/src/command.cpp
+++ /dev/null
@@ -1,176 +0,0 @@
-////////////////////////////////////////////////////////////////////////////////
-// taskwarrior - a command line task list manager.
-//
-// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
-// All rights reserved.
-//
-// This program is free software; you can redistribute it and/or modify it under
-// the terms of the GNU General Public License as published by the Free Software
-// Foundation; either version 2 of the License, or (at your option) any later
-// version.
-//
-// This program is distributed in the hope that it will be useful, but WITHOUT
-// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
-// details.
-//
-// You should have received a copy of the GNU General Public License along with
-// this program; if not, write to the
-//
-//     Free Software Foundation, Inc.,
-//     51 Franklin Street, Fifth Floor,
-//     Boston, MA
-//     02110-1301
-//     USA
-//
-////////////////////////////////////////////////////////////////////////////////
-
-#include <text.h>
-#include <Context.h>
-
-extern Context context;
-
-////////////////////////////////////////////////////////////////////////////////
-int deltaAppend (Task& task)
-{
-  if (context.task.has ("description"))
-  {
-    task.set ("description",
-              task.get ("description") + " " + context.task.get ("description"));
-    return 1;
-  }
-
-  return 0;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-int deltaPrepend (Task& task)
-{
-  if (context.task.has ("description"))
-  {
-    task.set ("description",
-              context.task.get ("description") + " " + task.get ("description"));
-    return 1;
-  }
-
-  return 0;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-int deltaDescription (Task& task)
-{
-  if (context.task.has ("description"))
-  {
-    task.set ("description", context.task.get ("description"));
-    return 1;
-  }
-
-  return 0;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-int deltaTags (Task& task)
-{
-  int changes = 0;
-
-  // Apply or remove tags, if any.
-  std::vector <std::string> tags;
-  context.task.getTags (tags);
-  std::vector <std::string>::iterator tag;
-  for (tag = tags.begin (); tag != tags.end (); ++tag)
-  {
-    task.addTag (*tag);
-    ++changes;
-  }
-
-  for (tag = context.tagRemovals.begin (); tag != context.tagRemovals.end (); ++tag)
-  {
-    task.removeTag (*tag);
-    ++changes;
-  }
-
-  return changes;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-int deltaAttributes (Task& task)
-{
-  int changes = 0;
-
-  std::map <std::string, Att>::iterator att;
-  for (att = context.task.begin (); att != context.task.end (); ++att)
-  {
-    if (att->second.name () != "uuid"        &&
-        att->second.name () != "description" &&
-        att->second.name () != "tags")
-    {
-      // Some things don't propagate to the parent task.
-      if (att->second.name () == "wait" &&
-          task.getStatus () == Task::recurring)
-      {
-        // NOP
-      }
-
-      // Modifying "wait" changes status, but not for recurring parent tasks.
-      else if (att->second.name () == "wait")
-      {
-        if (att->second.value () == "")
-        {
-          task.remove (att->first);
-          task.setStatus (Task::pending);
-        }
-        else
-        {
-          task.set (att->first, att->second.value ());
-          task.setStatus (Task::waiting);
-        }
-      }
-
-      // Modifying dependencies requires adding/removing uuids.
-      else if (att->second.name () == "depends")
-      {
-        std::vector <std::string> deps;
-        split (deps, att->second.value (), ',');
-
-        std::vector <std::string>::iterator i;
-        for (i = deps.begin (); i != deps.end (); i++)
-        {
-          int id = atoi (i->c_str ());
-          if (id < 0)
-            task.removeDependency (-id);
-          else
-            task.addDependency (id);
-        }
-      }
-
-      // Now the generalized handling.
-      else if (att->second.value () == "")
-        task.remove (att->second.name ());
-      else
-        // One of the few places where the compound attribute name is used.
-        task.set (att->first, att->second.value ());
-
-      ++changes;
-    }
-  }
-
-  return changes;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-int deltaSubstitutions (Task& task)
-{
-  std::string description = task.get ("description");
-  std::vector <Att> annotations;
-  task.getAnnotations (annotations);
-
-  context.subst.apply (description, annotations);
-
-  task.set ("description", description);
-  task.setAnnotations (annotations);
-
-  return 1;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// vim: ts=2 sw=2 et
diff --git a/src/report.cpp b/src/helpers.cpp
similarity index 63%
rename from src/report.cpp
rename to src/helpers.cpp
index ac47afa0e..57f06db7b 100644
--- a/src/report.cpp
+++ b/src/helpers.cpp
@@ -218,4 +218,146 @@ static void countTasks (
   }
 }
 
-///////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+int deltaAppend (Task& task)
+{
+  if (context.task.has ("description"))
+  {
+    task.set ("description",
+              task.get ("description") + " " + context.task.get ("description"));
+    return 1;
+  }
+
+  return 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+int deltaPrepend (Task& task)
+{
+  if (context.task.has ("description"))
+  {
+    task.set ("description",
+              context.task.get ("description") + " " + task.get ("description"));
+    return 1;
+  }
+
+  return 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+int deltaDescription (Task& task)
+{
+  if (context.task.has ("description"))
+  {
+    task.set ("description", context.task.get ("description"));
+    return 1;
+  }
+
+  return 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+int deltaTags (Task& task)
+{
+  int changes = 0;
+
+  // Apply or remove tags, if any.
+  std::vector <std::string> tags;
+  context.task.getTags (tags);
+  std::vector <std::string>::iterator tag;
+  for (tag = tags.begin (); tag != tags.end (); ++tag)
+  {
+    task.addTag (*tag);
+    ++changes;
+  }
+
+  for (tag = context.tagRemovals.begin (); tag != context.tagRemovals.end (); ++tag)
+  {
+    task.removeTag (*tag);
+    ++changes;
+  }
+
+  return changes;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+int deltaAttributes (Task& task)
+{
+  int changes = 0;
+
+  std::map <std::string, Att>::iterator att;
+  for (att = context.task.begin (); att != context.task.end (); ++att)
+  {
+    if (att->second.name () != "uuid"        &&
+        att->second.name () != "description" &&
+        att->second.name () != "tags")
+    {
+      // Some things don't propagate to the parent task.
+      if (att->second.name () == "wait" &&
+          task.getStatus () == Task::recurring)
+      {
+        // NOP
+      }
+
+      // Modifying "wait" changes status, but not for recurring parent tasks.
+      else if (att->second.name () == "wait")
+      {
+        if (att->second.value () == "")
+        {
+          task.remove (att->first);
+          task.setStatus (Task::pending);
+        }
+        else
+        {
+          task.set (att->first, att->second.value ());
+          task.setStatus (Task::waiting);
+        }
+      }
+
+      // Modifying dependencies requires adding/removing uuids.
+      else if (att->second.name () == "depends")
+      {
+        std::vector <std::string> deps;
+        split (deps, att->second.value (), ',');
+
+        std::vector <std::string>::iterator i;
+        for (i = deps.begin (); i != deps.end (); i++)
+        {
+          int id = atoi (i->c_str ());
+          if (id < 0)
+            task.removeDependency (-id);
+          else
+            task.addDependency (id);
+        }
+      }
+
+      // Now the generalized handling.
+      else if (att->second.value () == "")
+        task.remove (att->second.name ());
+      else
+        // One of the few places where the compound attribute name is used.
+        task.set (att->first, att->second.value ());
+
+      ++changes;
+    }
+  }
+
+  return changes;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+int deltaSubstitutions (Task& task)
+{
+  std::string description = task.get ("description");
+  std::vector <Att> annotations;
+  task.getAnnotations (annotations);
+
+  context.subst.apply (description, annotations);
+
+  task.set ("description", description);
+  task.setAnnotations (annotations);
+
+  return 1;
+}
+
+////////////////////////////////////////////////////////////////////////////////
diff --git a/src/main.h b/src/main.h
index 170303ff3..ff4495ba1 100644
--- a/src/main.h
+++ b/src/main.h
@@ -49,7 +49,11 @@ void updateRecurrenceMask (std::vector <Task>&, Task&);
 int getDueState (const std::string&);
 bool nag (Task&);
 
-// command.cpp
+// helpers.cpp
+std::string getFullDescription (Task&, const std::string&);
+std::string getDueDate (Task&, const std::string&);
+std::string onProjectChange (Task&, bool scope = true);
+std::string onProjectChange (Task&, Task&);
 int deltaAppend (Task&);
 int deltaPrepend (Task&);
 int deltaDescription (Task&);
@@ -57,17 +61,6 @@ int deltaTags (Task&);
 int deltaAttributes (Task&);
 int deltaSubstitutions (Task&);
 
-// report.cpp
-std::string getFullDescription (Task&, const std::string&);
-std::string getDueDate (Task&, const std::string&);
-std::string onProjectChange (Task&, bool scope = true);
-std::string onProjectChange (Task&, Task&);
-
-// burndown.cpp
-int handleReportBurndownDaily (std::string&);
-int handleReportBurndownWeekly (std::string&);
-int handleReportBurndownMonthly (std::string&);
-
 // rules.cpp
 void initializeColorRules ();
 void autoColorize (Task&, Color&);