diff --git a/src/org/jruby/RubyKernel.java b/src/org/jruby/RubyKernel.java
index d913a65f108..6b8bfc7adcc 100644
--- a/src/org/jruby/RubyKernel.java
+++ b/src/org/jruby/RubyKernel.java
@@ -992,6 +992,11 @@ public static RubyProc proc(ThreadContext context, IRubyObject recv, Block block
         return context.getRuntime().newProc(Block.Type.LAMBDA, block);
     }
     
+    @Deprecated
+    public static RubyProc proc(IRubyObject recv, Block block) {
+        return recv.getRuntime().newProc(Block.Type.LAMBDA, block);
+    }
+    
     @JRubyMethod(name = {"lambda"}, frame = true, module = true, visibility = PRIVATE, compat = CompatVersion.RUBY1_9)
     public static RubyProc lambda(ThreadContext context, IRubyObject recv, Block block) {
         return context.getRuntime().newProc(Block.Type.LAMBDA, block);
diff --git a/src/org/jruby/RubyModule.java b/src/org/jruby/RubyModule.java
index 9765a5da286..0f7d4e3570c 100644
--- a/src/org/jruby/RubyModule.java
+++ b/src/org/jruby/RubyModule.java
@@ -1392,6 +1392,11 @@ public RubyArray included_modules(ThreadContext context) {
     public RubyArray ancestors(ThreadContext context) {
         return context.getRuntime().newArray(getAncestorList());
     }
+    
+    @Deprecated
+    public RubyArray ancestors() {
+        return getRuntime().newArray(getAncestorList());
+    }
 
     public List<IRubyObject> getAncestorList() {
         ArrayList<IRubyObject> list = new ArrayList<IRubyObject>();