diff --git a/Library/Homebrew/formula_versions.rb b/Library/Homebrew/formula_versions.rb
index 34b766fde1a5156d9248849e15a9edb5be05a613..28c2a3be85fd37f4530ac75a80301cf47befe201 100644
--- a/Library/Homebrew/formula_versions.rb
+++ b/Library/Homebrew/formula_versions.rb
@@ -15,7 +15,6 @@ class FormulaVersions
     @repository = formula.tap.path
     @entry_name = @path.relative_path_from(repository).to_s
     @max_depth = options[:max_depth]
-    @current_formula = formula
   end
 
   def rev_list(branch)
@@ -65,33 +64,25 @@ class FormulaVersions
 
     attributes.each do |attribute|
       attributes_map[attribute] ||= {}
-      # Set the attributes for the current formula in case it's not been
-      # committed yet.
-      set_attribute_map(attributes_map[attribute], @current_formula, attribute)
     end
 
     rev_list(branch) do |rev|
       formula_at_revision(rev) do |f|
         attributes.each do |attribute|
-          set_attribute_map(attributes_map[attribute], f, attribute)
+          map = attributes_map[attribute]
+          if f.stable
+            map[:stable] ||= {}
+            map[:stable][f.stable.version] ||= []
+            map[:stable][f.stable.version] << f.send(attribute)
+          end
+          next unless f.devel
+          map[:devel] ||= {}
+          map[:devel][f.devel.version] ||= []
+          map[:devel][f.devel.version] << f.send(attribute)
         end
       end
     end
 
     attributes_map
   end
-
-  private
-
-  def set_attribute_map(map, f, attribute)
-    if f.stable
-      map[:stable] ||= {}
-      map[:stable][f.stable.version] ||= []
-      map[:stable][f.stable.version] << f.send(attribute)
-    end
-    return unless f.devel
-    map[:devel] ||= {}
-    map[:devel][f.devel.version] ||= []
-    map[:devel][f.devel.version] << f.send(attribute)
-  end
 end