1 files changed, 0 insertions, 4 deletions
diff --git a/cpp/003trace b/cpp/003trace
index f2070bae..4f5f6254 100644
--- a/cpp/003trace
+++ b/cpp/003trace
@@ -450,8 +450,6 @@ bool headmatch(const string& s, const string& pat) {
 }
 
 :(before "End Includes")
-#include<cstdlib>
-
 #include<vector>
 using std::vector;
 #include<list>
@@ -467,13 +465,11 @@ using std::set;
 #include<iostream>
 using std::istream;
 using std::ostream;
-using std::iostream;
 using std::cin;
 using std::cout;
 using std::cerr;
 
 #include<sstream>
-using std::stringstream;
 using std::istringstream;
 using std::ostringstream;