diff --git a/reference/SuggestCtrl/main.cpp b/reference/SuggestCtrl/main.cpp
index a2f6c18a2..45fae1833 100644
--- a/reference/SuggestCtrl/main.cpp
+++ b/reference/SuggestCtrl/main.cpp
@@ -2,11 +2,6 @@
 
 using namespace Upp;
 
-inline int CharFilterToUpperAscii(int c)
-{
-	return ToUpper(ToAscii(c));
-}
-
 int Sep(int c)
 {
 	return c == ';' || c == ',' ? ';' : 0;