1 files changed, 2 insertions, 0 deletions
diff --git a/pc.y b/pc.y
index d679c18..426cf71 100644
--- a/pc.y
+++ b/pc.y
@@ -97,6 +97,7 @@ program
 	{
 		set_ret_type($9);
 		print_tree($9);
+		free_tree($4);
 	}
 ;
 
@@ -164,6 +165,7 @@ sub_prog_declaration
 	{
 		set_ret_type($4);
 		print_tree($4);
+		free_tree($4);
 		pop_scope(&cur_scope);
 	}
 ;