vala: Remove unused Interface.prepend_prerequisite()

diff --git a/vala/valainterface.vala b/vala/valainterface.vala
index adb41ae16fa6f3985caf3743fbb9b3324e9b5496..39242d3582bd5beb39b1802b824b85004c215653 100644 (file)
--- a/vala/valainterface.vala
+++ b/vala/valainterface.vala
@@ -52,16 +52,6 @@ public class Vala.Interface : ObjectTypeSymbol {
                type.parent_node = this;
        }
 
-       /**
-        * Prepends the specified interface or class to the list of
-        * prerequisites of this interface.
-        *
-        * @param type an interface or class reference
-        */
-       public void prepend_prerequisite (DataType type) {
-               prerequisites.insert (0, type);
-       }
-
        /**
         * Returns a copy of the base type list.
         *