diff --git a/include/boost/python/detail/wrapper_base.hpp b/include/boost/python/detail/wrapper_base.hpp
index 76161682..e5b93aa4 100755
--- a/include/boost/python/detail/wrapper_base.hpp
+++ b/include/boost/python/detail/wrapper_base.hpp
@@ -21,7 +21,7 @@ namespace detail
     inline PyObject* get_owner(wrapper_base const volatile& w);
 
     inline PyObject*
-    owner_impl(void const volatile* x, mpl::false_)
+    owner_impl(void const volatile* /*x*/, mpl::false_)
     {
         return 0;
     }
diff --git a/include/boost/python/object/pickle_support.hpp b/include/boost/python/object/pickle_support.hpp
index 555544fe..cbdbcbb9 100644
--- a/include/boost/python/object/pickle_support.hpp
+++ b/include/boost/python/object/pickle_support.hpp
@@ -54,8 +54,8 @@ namespace detail {
     register_(
       Class_& cl,
       tuple (*getinitargs_fn)(Tgetinitargs),
-      inaccessible* (*getstate_fn)(),
-      inaccessible* (*setstate_fn)(),
+      inaccessible* (* /*getstate_fn*/)(),
+      inaccessible* (* /*setstate_fn*/)(),
       bool)
     {
       cl.enable_pickling_(false);
@@ -69,7 +69,7 @@ namespace detail {
     void
     register_(
       Class_& cl,
-      inaccessible* (*getinitargs_fn)(),
+      inaccessible* (* /*getinitargs_fn*/)(),
       Rgetstate (*getstate_fn)(Tgetstate),
       void (*setstate_fn)(Tsetstate, Ttuple),
       bool getstate_manages_dict)
diff --git a/include/boost/python/suite/indexing/detail/indexing_suite_detail.hpp b/include/boost/python/suite/indexing/detail/indexing_suite_detail.hpp
index bf4fe91c..70df8a72 100644
--- a/include/boost/python/suite/indexing/detail/indexing_suite_detail.hpp
+++ b/include/boost/python/suite/indexing/detail/indexing_suite_detail.hpp
@@ -490,20 +490,20 @@ namespace boost { namespace python { namespace detail {
 
         static void
         base_replace_indexes(
-            Container& container, Index from, 
-            Index to, Index n)
+            Container& /*container*/, Index /*from*/, 
+            Index /*to*/, Index /*n*/)
         {
         }
 
         template <class NoSlice>
         static void
         base_erase_index(
-            Container& container, Index i, NoSlice no_slice)
+            Container& /*container*/, Index /*i*/, NoSlice /*no_slice*/)
         {
         }
         
         static void
-        base_erase_indexes(Container& container, Index from, Index to)
+        base_erase_indexes(Container& /*container*/, Index /*from*/, Index /*to*/)
         {
         }
     };            
@@ -715,20 +715,20 @@ namespace boost { namespace python { namespace detail {
         }
         
         static object 
-        base_get_slice(Container& container, PySliceObject* slice)
+        base_get_slice(Container& /*container*/, PySliceObject* /*slice*/)
         { 
             slicing_not_suported();
             return object();
         }
    
         static void 
-        base_set_slice(Container& container, PySliceObject* slice, PyObject* v)
+        base_set_slice(Container& /*container*/, PySliceObject* /*slice*/, PyObject* /*v*/)
         {
             slicing_not_suported();
         }
         
         static void 
-        base_delete_slice(Container& container, PySliceObject* slice)
+        base_delete_slice(Container& /*container*/, PySliceObject* /*slice*/)
         { 
             slicing_not_suported();
         }  
diff --git a/include/boost/python/suite/indexing/map_indexing_suite.hpp b/include/boost/python/suite/indexing/map_indexing_suite.hpp
index 3e1b25b0..7fbad4ca 100644
--- a/include/boost/python/suite/indexing/map_indexing_suite.hpp
+++ b/include/boost/python/suite/indexing/map_indexing_suite.hpp
@@ -156,7 +156,7 @@ namespace boost { namespace python {
         }
 
         static index_type
-        convert_index(Container& container, PyObject* i_)
+        convert_index(Container& /*container*/, PyObject* i_)
         {
             extract<key_type const&> i(i_);
             if (i.check())
diff --git a/include/boost/python/suite/indexing/vector_indexing_suite.hpp b/include/boost/python/suite/indexing/vector_indexing_suite.hpp
index 3cce5fdc..34c29ecc 100644
--- a/include/boost/python/suite/indexing/vector_indexing_suite.hpp
+++ b/include/boost/python/suite/indexing/vector_indexing_suite.hpp
@@ -148,7 +148,7 @@ namespace boost { namespace python {
         }
         
         static index_type
-        get_min_index(Container& container)
+        get_min_index(Container& /*container*/)
         { 
             return 0;
         }
@@ -160,7 +160,7 @@ namespace boost { namespace python {
         }
       
         static bool 
-        compare_index(Container& container, index_type a, index_type b)
+        compare_index(Container& /*container*/, index_type a, index_type b)
         {
             return a < b;
         }