diff --git a/test/boost_no_auto_declarations.ipp b/test/boost_no_auto_declarations.ipp
index be48ed3e..65410827 100644
--- a/test/boost_no_auto_declarations.ipp
+++ b/test/boost_no_auto_declarations.ipp
@@ -11,14 +11,14 @@
 
 namespace boost_no_auto_declarations {
 
-void check(int& x)
+void check_f(int& x)
 {
 }
 
 int test()
 {
    auto x = 10;
-   check(x);
+   check_f(x);
    return 0;
 }
 
diff --git a/test/boost_no_auto_multidecl.ipp b/test/boost_no_auto_multidecl.ipp
index 976d445a..ea976612 100644
--- a/test/boost_no_auto_multidecl.ipp
+++ b/test/boost_no_auto_multidecl.ipp
@@ -11,14 +11,14 @@
 
 namespace boost_no_auto_multideclarations {
 
-void check(int& x, int*& y)
+void check_f(int& x, int*& y)
 {
 }
 
 int test()
 {
    auto x = 10, *y = &x;
-   check(x, y);
+   check_f(x, y);
    return 0;
 }
 
diff --git a/test/boost_no_com_value_init.ipp b/test/boost_no_com_value_init.ipp
index 08e58823..a3a6c3ea 100644
--- a/test/boost_no_com_value_init.ipp
+++ b/test/boost_no_com_value_init.ipp
@@ -636,7 +636,7 @@ namespace boost_no_complete_value_initialization
     }
 
     // Returns the number of failures.
-    unsigned check() const
+    unsigned check_failures() const
     {
       const unsigned num_failures = 
         FAILED_TO_VALUE_INITIALIZE(int_struct::data) +
@@ -868,7 +868,7 @@ namespace boost_no_complete_value_initialization
     unsigned total_num_failures = 0;
 
     dirty_stack();
-    const unsigned num_failures_of_a_temporary = value_initializer().check();
+    const unsigned num_failures_of_a_temporary = value_initializer().check_failures();
 
     total_num_failures += num_failures_of_a_temporary;
     if ( total_num_failures > 0 )
@@ -878,7 +878,7 @@ namespace boost_no_complete_value_initialization
     }
     dirty_stack();
     value_initializer object_on_stack;
-    const unsigned num_failures_on_stack = object_on_stack.check();
+    const unsigned num_failures_on_stack = object_on_stack.check_failures();
 
     total_num_failures += num_failures_on_stack;
     if ( total_num_failures > 0 )
@@ -887,7 +887,7 @@ namespace boost_no_complete_value_initialization
         << num_failures_on_stack << std::endl;
     }
     const value_initializer* const ptr = new value_initializer();
-    const unsigned num_failures_on_heap = ptr->check();
+    const unsigned num_failures_on_heap = ptr->check_failures();
     delete ptr;
 
     total_num_failures += num_failures_on_heap;
diff --git a/test/boost_no_rtti.ipp b/test/boost_no_rtti.ipp
index 69594722..dd8992bc 100644
--- a/test/boost_no_rtti.ipp
+++ b/test/boost_no_rtti.ipp
@@ -36,7 +36,7 @@ void B::t()
 namespace boost_no_rtti
 {
 
-int check(const A& a)
+int check_f(const A& a)
 {
    return typeid(a) == typeid(B) ? 0 : 1;
 }
@@ -45,7 +45,7 @@ int test()
 {
    try{
       B b;
-      return check(b);
+      return check_f(b);
    }
    catch(...)
    {