diff --git a/src/mathed/math_cheatinset.C b/src/mathed/math_cheatinset.C
index a62f321b40..f1b5da1b31 100644
--- a/src/mathed/math_cheatinset.C
+++ b/src/mathed/math_cheatinset.C
@@ -19,7 +19,7 @@ MathInset * MathCheatInset::clone() const
 }
 
 
-void MathCheatInset::draw(Painter & pain, int x, int y) const
+void MathCheatInset::draw(Painter &, int, int) const
 {}