diff --git a/lib/Slic3r/Point.pm b/lib/Slic3r/Point.pm
index ffa7fa1a8..cba2f1af9 100644
--- a/lib/Slic3r/Point.pm
+++ b/lib/Slic3r/Point.pm
@@ -32,11 +32,6 @@ sub cast {
     }
 }
 
-sub id {
-    my $self = shift;
-    return join ',', @$self;
-}
-
 sub coordinates {
     my $self = shift;
     return @$self;