diff --git a/examples/idmap/idmap.upp b/examples/idmap/idmap.upp
index b5c19603d..066350e9f 100644
--- a/examples/idmap/idmap.upp
+++ b/examples/idmap/idmap.upp
@@ -1,7 +1,5 @@
 description "U++ containers demonstration - prints the map of words in the file\377";
 
-optimize_speed;
-
 uses
 	Core;
 
diff --git a/examples/idmapBench/idmapBench.upp b/examples/idmapBench/idmapBench.upp
index aaaed5330..f5921a87f 100644
--- a/examples/idmapBench/idmapBench.upp
+++ b/examples/idmapBench/idmapBench.upp
@@ -1,7 +1,5 @@
 description "C++ standard library vs. U++ Core benchmark\377";
 
-optimize_speed;
-
 uses
 	Core;
 
diff --git a/examples/idmapBench/main.cpp b/examples/idmapBench/main.cpp
index 7a22e1dc0..ff5a83559 100644
--- a/examples/idmapBench/main.cpp
+++ b/examples/idmapBench/main.cpp
@@ -12,11 +12,7 @@
 #include <map>
 #include <deque>
 #include <string>
-#ifdef CPP_11
 #include <unordered_map>
-#else
-#include <tr1/unordered_map>
-#endif
 
 using namespace std;
 using namespace Upp;