diff --git a/lib/ruby_parser/bm_sexp_processor.rb b/lib/ruby_parser/bm_sexp_processor.rb
index 149287d65de10e196346e975b62276097e889608..5570fa18d17df30efcec9d921b8943172e549ee1 100644
--- a/lib/ruby_parser/bm_sexp_processor.rb
+++ b/lib/ruby_parser/bm_sexp_processor.rb
@@ -72,14 +72,7 @@ class Brakeman::SexpProcessor
       # now do a pass with the real processor (or generic)
       meth = @processors[type]
       if meth then
-        if $DEBUG
-          result = error_handler(type) do
-            self.send(meth, exp)
-          end
-        else
-          result = self.send(meth, exp)
-        end
-
+        result = self.send(meth, exp)
       else
         result = self.process_default(exp)
       end
@@ -90,36 +83,6 @@ class Brakeman::SexpProcessor
     result
   end
 
-  def error_handler(type, exp=nil) # :nodoc:
-    begin
-      return yield
-    rescue => err
-      warn "#{err.class} Exception thrown while processing #{type} for sexp #{exp.inspect} #{caller.inspect}" if $DEBUG
-      raise
-    end
-  end
-
-  ##
-  # A fairly generic processor for a dummy node. Dummy nodes are used
-  # when your processor is doing a complicated rewrite that replaces
-  # the current sexp with multiple sexps.
-  #
-  # Bogus Example:
-  #
-  #   def process_something(exp)
-  #     return s(:dummy, process(exp), s(:extra, 42))
-  #   end
-
-  def process_dummy(exp)
-    result = @expected.new(:dummy) rescue @expected.new
-
-    until exp.empty? do
-      result << self.process(exp.shift)
-    end
-
-    result
-  end
-
   ##
   # Add a scope level to the current env. Eg:
   #
@@ -150,86 +113,4 @@ class Brakeman::SexpProcessor
 
     self.context.shift
   end
-
-  ##
-  # I really hate this here, but I hate subdirs in my lib dir more...
-  # I guess it is kinda like shaving... I'll split this out when it
-  # itches too much...
-
-  class Environment
-    def initialize
-      @env = []
-      @env.unshift({})
-    end
-
-    def all
-      @env.reverse.inject { |env, scope| env.merge scope }
-    end
-
-    def depth
-      @env.length
-    end
-
-    # TODO: depth_of
-
-    def [] name
-      hash = @env.find { |closure| closure.has_key? name }
-      hash[name] if hash
-    end
-
-    def []= name, val
-      hash = @env.find { |closure| closure.has_key? name } || @env.first
-      hash[name] = val
-    end
-
-    def scope
-      @env.unshift({})
-      begin
-        yield
-      ensure
-        @env.shift
-        raise "You went too far unextending env" if @env.empty?
-      end
-    end
-  end
 end
-
-class Object
-
-  ##
-  # deep_clone is the usual Marshalling hack to make a deep copy.
-  # It is rather slow, so use it sparingly. Helps with debugging
-  # SexpProcessors since you usually shift off sexps.
-
-  def deep_clone
-    Marshal.load(Marshal.dump(self))
-  end
-end
-
-##
-# SexpProcessor base exception class.
-
-class SexpProcessorError < StandardError; end
-
-##
-# Raised by SexpProcessor if it sees a node type listed in its
-# unsupported list.
-
-class UnsupportedNodeError < SexpProcessorError; end
-
-##
-# Raised by SexpProcessor if it is in strict mode and sees a node for
-# which there is no processor available.
-
-class UnknownNodeError < SexpProcessorError; end
-
-##
-# Raised by SexpProcessor if a processor did not process every node in
-# a sexp and @require_empty is true.
-
-class NotEmptyError < SexpProcessorError; end
-
-##
-# Raised if assert_type encounters an unexpected sexp type.
-
-class SexpTypeError < SexpProcessorError; end