diff --git a/src/dialogs.cpp b/src/dialogs.cpp
index 07a265ae0f2..41b0c9e3b99 100644
--- a/src/dialogs.cpp
+++ b/src/dialogs.cpp
@@ -240,15 +240,6 @@ void show_objectives(game_display& disp, const config& level, const std::string&
 	                ).show();
 }
 
-bool is_illegal_file_char(char c)
-{
-	return c == '/' || c == '\\' || c == ':'
- 	#ifdef _WIN32
-	|| c == '?' || c == '|' || c == '<' || c == '>' || c == '*' || c == '"'
-	#endif
-	;
-}
-
 namespace {
 
 /** Class to handle deleting a saved game. */
diff --git a/src/dialogs.hpp b/src/dialogs.hpp
index e13c9b7bf5b..81f173ed51c 100644
--- a/src/dialogs.hpp
+++ b/src/dialogs.hpp
@@ -51,9 +51,6 @@ bool animate_unit_advancement(unit_map& units, map_location loc, game_display& g
 
 void show_objectives(game_display& disp, const config& level, const std::string& objectives);
 
-/** check if a character is valid for a filename. */
-bool is_illegal_file_char(char c);
-
 /**
  * Allow user to select the game they want to load. Returns the name of the
  * save they want to load. Stores whether the user wants to show a replay of
diff --git a/src/savegame.cpp b/src/savegame.cpp
index f1d244746a1..f194896d3bc 100644
--- a/src/savegame.cpp
+++ b/src/savegame.cpp
@@ -15,7 +15,7 @@
 
 #include "savegame.hpp"
 
-#include "dialogs.hpp"
+#include "dialogs.hpp" //FIXME: get rid of this as soon as the two remaining dialogs are moved to gui2
 #include "foreach.hpp"
 #include "game_end_exceptions.hpp"
 #include "game_events.hpp"
@@ -391,9 +391,7 @@ void loadgame::check_version_compatibility()
 	// do not load if too old, if either the savegame or the current game
 	// has the version 'test' allow loading
 	if(!game_config::is_compatible_savegame_version(gamestate_.version)) {
-		/* GCC-3.3 needs a temp var otherwise compilation fails */
-		gui::message_dialog dlg(gui_, "", _("This save is from a version too old to be loaded."));
-		dlg.show();
+		gui2::show_message(gui_.video(), "", _("This save is from a version too old to be loaded."));
 		throw load_game_cancelled_exception();
 	}
 
@@ -446,9 +444,7 @@ void loadgame::load_multiplayer_game()
 	}
 
 	if(gamestate_.campaign_type != "multiplayer") {
-		/* GCC-3.3 needs a temp var otherwise compilation fails */
-		gui::message_dialog dlg(gui_, "", _("This is not a multiplayer save"));
-		dlg.show();
+		gui2::show_message(gui_.video(), "", _("This is not a multiplayer save"));
 		throw load_game_cancelled_exception();
 	}
 
@@ -576,10 +572,19 @@ void savegame::check_filename(const std::string& filename, CVideo& video)
 	}
 }
 
+bool savegame::is_illegal_file_char(char c)
+{
+	return c == '/' || c == '\\' || c == ':'
+ 	#ifdef _WIN32
+	|| c == '?' || c == '|' || c == '<' || c == '>' || c == '*' || c == '"'
+	#endif
+	;
+}
+
 void savegame::set_filename(std::string filename)
 {
 	filename.erase(std::remove_if(filename.begin(), filename.end(),
-	            dialogs::is_illegal_file_char), filename.end());
+	            is_illegal_file_char), filename.end());
 	filename_ = filename;
 }
 
diff --git a/src/savegame.hpp b/src/savegame.hpp
index f249ffb8e06..c95acf6b09e 100644
--- a/src/savegame.hpp
+++ b/src/savegame.hpp
@@ -169,6 +169,9 @@ protected:
 	virtual void before_save();
 
 private:
+	/** Checks if a certain character is allowed in a savefile name. */
+	static bool is_illegal_file_char(char c);
+
 	/** Build the filename according to the specific savegame's needs. Subclasses will have to
 		override this to take effect. */
 	virtual void create_filename() {}