diff --git a/app/models/repository.rb b/app/models/repository.rb
deleted file mode 100644
index 7f56047b3de..00000000000
--- a/app/models/repository.rb
+++ /dev/null
@@ -1,170 +0,0 @@
-class Repository
-  include Gitlab::Popen
-
-  # Repository directory name with namespace direcotry
-  # Examples:
-  #   gitlab/gitolite
-  #   diaspora
-  #
-  attr_accessor :path_with_namespace
-
-  # Grit repo object
-  attr_accessor :repo
-
-  # Default branch in the repository
-  attr_accessor :root_ref
-
-  def initialize(path_with_namespace, root_ref = 'master')
-    @root_ref = root_ref || "master"
-    @path_with_namespace = path_with_namespace
-
-    # Init grit repo object
-    repo
-  end
-
-  def raw
-    repo
-  end
-
-  def path_to_repo
-    @path_to_repo ||= File.join(Gitlab.config.gitlab_shell.repos_path, "#{path_with_namespace}.git")
-  end
-
-  def repo
-    @repo ||= Grit::Repo.new(path_to_repo)
-  end
-
-  def commit(commit_id = nil)
-    Commit.find_or_first(repo, commit_id, root_ref)
-  end
-
-  def fresh_commits(n = 10)
-    Commit.fresh_commits(repo, n)
-  end
-
-  def commits_with_refs(n = 20)
-    Commit.commits_with_refs(repo, n)
-  end
-
-  def commits_since(date)
-    Commit.commits_since(repo, date)
-  end
-
-  def commits(ref, path = nil, limit = nil, offset = nil)
-    Commit.commits(repo, ref, path, limit, offset)
-  end
-
-  def last_commit_for(ref, path = nil)
-    commits(ref, path, 1).first
-  end
-
-  def commits_between(from, to)
-    Commit.commits_between(repo, from, to)
-  end
-
-  # Returns an Array of branch names
-  # sorted by name ASC
-  def branch_names
-    branches.map(&:name)
-  end
-
-  # Returns an Array of Branches
-  def branches
-    repo.branches.sort_by(&:name)
-  end
-
-  # Returns an Array of tag names
-  def tag_names
-    repo.tags.collect(&:name).sort.reverse
-  end
-
-  # Returns an Array of Tags
-  def tags
-    repo.tags.sort_by(&:name).reverse
-  end
-
-  # Returns an Array of branch and tag names
-  def ref_names
-    [branch_names + tag_names].flatten
-  end
-
-  def heads
-    @heads ||= repo.heads
-  end
-
-  def tree(fcommit, path = nil)
-    fcommit = commit if fcommit == :head
-    tree = fcommit.tree
-    path ? (tree / path) : tree
-  end
-
-  def has_commits?
-    !!commit
-  rescue Grit::NoSuchPathError
-    false
-  end
-
-  def empty?
-    !has_commits?
-  end
-
-  # Discovers the default branch based on the repository's available branches
-  #
-  # - If no branches are present, returns nil
-  # - If one branch is present, returns its name
-  # - If two or more branches are present, returns the one that has a name
-  #   matching root_ref (default_branch or 'master' if default_branch is nil)
-  def discover_default_branch
-    if branch_names.length == 0
-      nil
-    elsif branch_names.length == 1
-      branch_names.first
-    else
-      branch_names.select { |v| v == root_ref }.first
-    end
-  end
-
-  # Archive Project to .tar.gz
-  #
-  # Already packed repo archives stored at
-  # app_root/tmp/repositories/project_name/project_name-commit-id.tag.gz
-  #
-  def archive_repo(ref)
-    ref = ref || self.root_ref
-    commit = self.commit(ref)
-    return nil unless commit
-
-    # Build file path
-    file_name = self.path_with_namespace.gsub("/","_") + "-" + commit.id.to_s + ".tar.gz"
-    storage_path = Rails.root.join("tmp", "repositories")
-    file_path = File.join(storage_path, self.path_with_namespace, file_name)
-
-    # Put files into a directory before archiving
-    prefix = File.basename(self.path_with_namespace) + "/"
-
-    # Create file if not exists
-    unless File.exists?(file_path)
-      FileUtils.mkdir_p File.dirname(file_path)
-      file = self.repo.archive_to_file(ref, prefix,  file_path)
-    end
-
-    file_path
-  end
-
-  # Return repo size in megabytes
-  # Cached in redis
-  def size
-    Rails.cache.fetch(cache_key(:size)) do
-      size = popen('du -s', path_to_repo).first.strip.to_i
-      (size.to_f / 1024).round(2)
-    end
-  end
-
-  def expire_cache
-    Rails.cache.delete(cache_key(:size))
-  end
-
-  def cache_key(type)
-    "#{type}:#{path_with_namespace}"
-  end
-end
diff --git a/lib/extracts_path.rb b/lib/extracts_path.rb
index 351fc2f23ae..4ad485c5e52 100644
--- a/lib/extracts_path.rb
+++ b/lib/extracts_path.rb
@@ -100,8 +100,8 @@ module ExtractsPath
 
     # It is used "@project.repository.commits(@ref, @path, 1, 0)",
     # because "@project.repository.commit(@ref)" returns wrong commit when @ref is tag name.
-    commits = @project.repository.commits(@ref, @path, 1, 0)
-    @commit = CommitDecorator.decorate(commits.first)
+    @commit = @project.repository.commits(@ref, @path, 1, 0).first
+    @commit = CommitDecorator.decorate(@commit)
 
     @tree = Tree.new(@commit.tree, @ref, @path)
     @tree = TreeDecorator.new(@tree)
diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index 91301029e89..7b063d2a81f 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -35,51 +35,6 @@ describe Commit do
     end
   end
 
-  describe "Commit info" do
-    before do
-      @committer = double(
-        email: 'mike@smith.com',
-        name: 'Mike Smith'
-      )
-
-      @author = double(
-        email: 'john@smith.com',
-        name: 'John Smith'
-      )
-
-      @raw_commit = double(
-        id: "bcf03b5de6abcf03b5de6c",
-        author: @author,
-        committer: @committer,
-        committed_date: Date.yesterday,
-        message: 'Refactoring specs'
-      )
-
-      @commit = Commit.new(@raw_commit)
-    end
-
-    it { @commit.short_id.should == "bcf03b5de6a" }
-    it { @commit.safe_message.should == @raw_commit.message }
-    it { @commit.created_at.should == @raw_commit.committed_date }
-    it { @commit.author_email.should == @author.email }
-    it { @commit.author_name.should == @author.name }
-    it { @commit.committer_name.should == @committer.name }
-    it { @commit.committer_email.should == @committer.email }
-    it { @commit.different_committer?.should be_true }
-  end
-
-  describe "Class methods" do
-    subject { Commit }
-
-    it { should respond_to(:find_or_first) }
-    it { should respond_to(:fresh_commits) }
-    it { should respond_to(:commits_with_refs) }
-    it { should respond_to(:commits_since) }
-    it { should respond_to(:commits_between) }
-    it { should respond_to(:commits) }
-    it { should respond_to(:compare) }
-  end
-
   describe "delegation" do
     subject { commit }
 
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 53388b933ee..90b5e08ec98 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -187,7 +187,7 @@ describe Project do
     let(:project) { create(:project) }
 
     it "should return valid repo" do
-      project.repository.should be_kind_of(Repository)
+      project.repository.should be_kind_of(Gitlab::Git::Repository)
     end
 
     it "should return nil" do
diff --git a/spec/models/repository_spec.rb b/spec/models/repository_spec.rb
deleted file mode 100644
index 71f9b964e70..00000000000
--- a/spec/models/repository_spec.rb
+++ /dev/null
@@ -1,105 +0,0 @@
-require "spec_helper"
-
-describe Repository do
-  let(:project) { create(:project) }
-  let(:repository) { project.repository }
-
-  describe "Respond to" do
-    subject { repository }
-
-    it { should respond_to(:repo) }
-    it { should respond_to(:tree) }
-    it { should respond_to(:root_ref) }
-    it { should respond_to(:tags) }
-    it { should respond_to(:commit) }
-    it { should respond_to(:commits) }
-    it { should respond_to(:commits_between) }
-    it { should respond_to(:commits_with_refs) }
-    it { should respond_to(:commits_since) }
-    it { should respond_to(:commits_between) }
-  end
-
-
-  describe "#discover_default_branch" do
-    let(:master) { 'master' }
-    let(:stable) { 'stable' }
-
-    it "returns 'master' when master exists" do
-      repository.should_receive(:branch_names).at_least(:once).and_return([stable, master])
-      repository.discover_default_branch.should == 'master'
-    end
-
-    it "returns non-master when master exists but default branch is set to something else" do
-      repository.root_ref = 'stable'
-      repository.should_receive(:branch_names).at_least(:once).and_return([stable, master])
-      repository.discover_default_branch.should == 'stable'
-    end
-
-    it "returns a non-master branch when only one exists" do
-      repository.should_receive(:branch_names).at_least(:once).and_return([stable])
-      repository.discover_default_branch.should == 'stable'
-    end
-
-    it "returns nil when no branch exists" do
-      repository.should_receive(:branch_names).at_least(:once).and_return([])
-      repository.discover_default_branch.should be_nil
-    end
-  end
-
-  describe :commit do
-    it "should return first head commit if without params" do
-      repository.commit.id.should == repository.repo.commits.first.id
-    end
-
-    it "should return valid commit" do
-      repository.commit(ValidCommit::ID).should be_valid_commit
-    end
-
-    it "should return nil" do
-      repository.commit("+123_4532530XYZ").should be_nil
-    end
-  end
-
-  describe :tree do
-    before do
-      @commit = repository.commit(ValidCommit::ID)
-    end
-
-    it "should raise error w/o arguments" do
-      lambda { repository.tree }.should raise_error
-    end
-
-    it "should return root tree for commit" do
-      tree = repository.tree(@commit)
-      tree.contents.size.should == ValidCommit::FILES_COUNT
-      tree.contents.map(&:name).should == ValidCommit::FILES
-    end
-
-    it "should return root tree for commit with correct path" do
-      tree = repository.tree(@commit, ValidCommit::C_FILE_PATH)
-      tree.contents.map(&:name).should == ValidCommit::C_FILES
-    end
-
-    it "should return root tree for commit with incorrect path" do
-      repository.tree(@commit, "invalid_path").should be_nil
-    end
-  end
-
-  describe "fresh commits" do
-    it { repository.fresh_commits(3).count.should == 3 }
-    it { repository.fresh_commits.first.id.should == "bcf03b5de6c33f3869ef70d68cf06e679d1d7f9a" }
-    it { repository.fresh_commits.last.id.should == "f403da73f5e62794a0447aca879360494b08f678" }
-  end
-
-  describe "commits_between" do
-    subject do
-      commits = repository.commits_between("3a4b4fb4cde7809f033822a171b9feae19d41fff",
-                                        "8470d70da67355c9c009e4401746b1d5410af2e3")
-      commits.map { |c| c.id }
-    end
-
-    it { should have(3).elements }
-    it { should include("f0f14c8eaba69ebddd766498a9d0b0e79becd633") }
-    it { should_not include("bcf03b5de6c33f3869ef70d68cf06e679d1d7f9a") }
-  end
-end
diff --git a/spec/support/stubbed_repository.rb b/spec/support/stubbed_repository.rb
index 6376c8d5ea1..68c380e6f4f 100644
--- a/spec/support/stubbed_repository.rb
+++ b/spec/support/stubbed_repository.rb
@@ -1,4 +1,4 @@
-require "repository"
+require "gitlab/git/repository"
 require "project"
 require "merge_request"
 require "shell"
@@ -39,7 +39,7 @@ class MergeRequest
   end
 end
 
-class GitLabTestRepo < Repository
+class GitLabTestRepo < Gitlab::Git::Repository
   def repo
     @repo ||= Grit::Repo.new(Rails.root.join('tmp', 'repositories', 'gitlabhq'))
   end