diff --git a/include/boost/variant/detail/visitation_impl.hpp b/include/boost/variant/detail/visitation_impl.hpp
index c7250c30..69b7a2b4 100644
--- a/include/boost/variant/detail/visitation_impl.hpp
+++ b/include/boost/variant/detail/visitation_impl.hpp
@@ -190,7 +190,7 @@ template <
     , typename Visitor, typename VoidPtrCV
     , typename NoBackupFlag
     >
-inline typename Visitor::result_type
+BOOST_FORCEINLINE typename Visitor::result_type
 visitation_impl(
       const int internal_which, const int logical_which
     , Visitor& visitor, VoidPtrCV storage
diff --git a/include/boost/variant/variant.hpp b/include/boost/variant/variant.hpp
index fb48fd2d..8be5a6da 100644
--- a/include/boost/variant/variant.hpp
+++ b/include/boost/variant/variant.hpp
@@ -2315,7 +2315,7 @@ class variant
 #endif// !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
 
     template <typename Visitor, typename VoidPtrCV>
-    static typename Visitor::result_type
+    BOOST_FORCEINLINE static typename Visitor::result_type
     internal_apply_visitor_impl(
           int internal_which
         , int logical_which
@@ -2340,7 +2340,7 @@ class variant
     }
 
     template <typename Visitor>
-    typename Visitor::result_type
+    BOOST_FORCEINLINE typename Visitor::result_type
     internal_apply_visitor(Visitor& visitor)
     {
         return internal_apply_visitor_impl(
@@ -2349,7 +2349,7 @@ class variant
     }
 
     template <typename Visitor>
-    typename Visitor::result_type
+    BOOST_FORCEINLINE typename Visitor::result_type
     internal_apply_visitor(Visitor& visitor) const
     {
         return internal_apply_visitor_impl(