From c98432d3906cfeb4512f6bb83167bdbcf9fc046b Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 22 Feb 2018 16:14:12 -0700
Subject: [PATCH] Remove now unnecessary #includes.

---
 examples/step-18/step-18.cc | 1 -
 examples/step-43/step-43.cc | 2 --
 examples/step-50/step-50.cc | 1 -
 3 files changed, 4 deletions(-)

diff --git a/examples/step-18/step-18.cc b/examples/step-18/step-18.cc
index 5e0f08ff74..026ba3b3af 100644
--- a/examples/step-18/step-18.cc
+++ b/examples/step-18/step-18.cc
@@ -74,7 +74,6 @@
 // This is then simply C++ again:
 #include <fstream>
 #include <iostream>
-#include <sstream>
 #include <iomanip>
 
 // The last step is as in all previous programs:
diff --git a/examples/step-43/step-43.cc b/examples/step-43/step-43.cc
index 7745971851..c2d183340c 100644
--- a/examples/step-43/step-43.cc
+++ b/examples/step-43/step-43.cc
@@ -68,8 +68,6 @@
 #include <iostream>
 #include <fstream>
 #include <memory>
-#include <sstream>
-#include <memory>
 
 
 // At the end of this top-matter, we open a namespace for the current project
diff --git a/examples/step-50/step-50.cc b/examples/step-50/step-50.cc
index 22258225fc..f55424db21 100644
--- a/examples/step-50/step-50.cc
+++ b/examples/step-50/step-50.cc
@@ -90,7 +90,6 @@ namespace LA
 // This is C++:
 #include <iostream>
 #include <fstream>
-#include <sstream>
 
 // The last step is as in all
 // previous programs:
-- 
2.39.5