diff --git a/test/threads/thread/constr/FArgs_pass.cpp b/test/threads/thread/constr/FArgs_pass.cpp
index 7b05786b..c7897589 100644
--- a/test/threads/thread/constr/FArgs_pass.cpp
+++ b/test/threads/thread/constr/FArgs_pass.cpp
@@ -33,7 +33,7 @@ inline void* operator new(std::size_t s)
 void* operator new(std::size_t s) throw (std::bad_alloc)
 #endif
 {
-  std::cout << __FILE__ << ":" << __LINE__ << std::endl;
+  //std::cout << __FILE__ << ":" << __LINE__ << std::endl;
   if (throw_one == 0) throw std::bad_alloc();
   --throw_one;
   return std::malloc(s);
@@ -45,7 +45,7 @@ inline void operator delete(void* p)
 inline void operator delete(void* p) throw ()
 #endif
 {
-  std::cout << __FILE__ << ":" << __LINE__ << std::endl;
+  //std::cout << __FILE__ << ":" << __LINE__ << std::endl;
   std::free(p);
 }
 
diff --git a/test/threads/thread/constr/F_pass.cpp b/test/threads/thread/constr/F_pass.cpp
index 35dcb31a..e649f41d 100644
--- a/test/threads/thread/constr/F_pass.cpp
+++ b/test/threads/thread/constr/F_pass.cpp
@@ -33,7 +33,7 @@ void* operator new(std::size_t s)
 void* operator new(std::size_t s) throw (std::bad_alloc)
 #endif
 {
-  std::cout << __FILE__ << ":" << __LINE__ << std::endl;
+  //std::cout << __FILE__ << ":" << __LINE__ << std::endl;
   if (throw_one == 0) throw std::bad_alloc();
   --throw_one;
   return std::malloc(s);
@@ -45,7 +45,7 @@ void operator delete(void* p)
 void operator delete(void* p) throw ()
 #endif
 {
-  std::cout << __FILE__ << ":" << __LINE__ << std::endl;
+  //std::cout << __FILE__ << ":" << __LINE__ << std::endl;
   std::free(p);
 }