diff --git a/Library/Homebrew/patch.rb b/Library/Homebrew/patch.rb
index ebdbe3a19d..cb242aa0c7 100644
--- a/Library/Homebrew/patch.rb
+++ b/Library/Homebrew/patch.rb
@@ -29,25 +29,6 @@ module Patch
       raise ArgumentError, "unexpected value #{strip.inspect} for strip"
     end
   end
-
-  def self.normalize_legacy_patches(list)
-    patches = []
-
-    case list
-    when Hash
-      list
-    when Array, String, :DATA
-      { p1: list }
-    else
-      {}
-    end.each_pair do |strip, urls|
-      Array(urls).each do
-        patches << DATAPatch.new(strip)
-      end
-    end
-
-    patches
-  end
 end
 
 # An abstract class representing a patch embedded into a formula.
diff --git a/Library/Homebrew/software_spec.rb b/Library/Homebrew/software_spec.rb
index 8c7917c3e9..b8af355ccc 100644
--- a/Library/Homebrew/software_spec.rb
+++ b/Library/Homebrew/software_spec.rb
@@ -227,13 +227,6 @@ class SoftwareSpec
     end
   end
 
-  # TODO: ?
-  def add_legacy_patches(list)
-    list = Patch.normalize_legacy_patches(list)
-    list.each { |p| p.owner = self }
-    patches.concat(list)
-  end
-
   def add_dep_option(dep)
     dep.option_names.each do |name|
       if dep.optional? && !option_defined?("with-#{name}")