diff --git a/lib/gitlab/git/repository.rb b/lib/gitlab/git/repository.rb
index 639f5625d59..5af4a603be4 100644
--- a/lib/gitlab/git/repository.rb
+++ b/lib/gitlab/git/repository.rb
@@ -297,28 +297,6 @@ module Gitlab
         (size.to_f / 1024).round(2)
       end
 
-      # Returns an array of BlobSnippets for files at the specified +ref+ that
-      # contain the +query+ string.
-      def search_files(query, ref = nil)
-        greps = []
-        ref ||= root_ref
-
-        populated_index(ref).each do |entry|
-          # Discard submodules
-          next if submodule?(entry)
-
-          blob = Gitlab::Git::Blob.raw(self, entry[:oid])
-
-          # Skip binary files
-          next if blob.data.encoding == Encoding::ASCII_8BIT
-
-          blob.load_all_data!(self)
-          greps += build_greps(blob.data, query, ref, entry[:path])
-        end
-
-        greps
-      end
-
       # Use the Rugged Walker API to build an array of commits.
       #
       # Usage.
@@ -1091,73 +1069,6 @@ module Gitlab
         index
       end
 
-      # Return an array of BlobSnippets for lines in +file_contents+ that match
-      # +query+
-      def build_greps(file_contents, query, ref, filename)
-        # The file_contents string is potentially huge so we make sure to loop
-        # through it one line at a time. This gives Ruby the chance to GC lines
-        # we are not interested in.
-        #
-        # We need to do a little extra work because we are not looking for just
-        # the lines that matches the query, but also for the context
-        # (surrounding lines). We will use Enumerable#each_cons to efficiently
-        # loop through the lines while keeping surrounding lines on hand.
-        #
-        # First, we turn "foo\nbar\nbaz" into
-        # [
-        #  [nil, -3], [nil, -2], [nil, -1],
-        #  ['foo', 0], ['bar', 1], ['baz', 3],
-        #  [nil, 4], [nil, 5], [nil, 6]
-        # ]
-        lines_with_index = Enumerator.new do |yielder|
-          # Yield fake 'before' lines for the first line of file_contents
-          (-SEARCH_CONTEXT_LINES..-1).each do |i|
-            yielder.yield [nil, i]
-          end
-
-          # Yield the actual file contents
-          count = 0
-          file_contents.each_line do |line|
-            line.chomp!
-            yielder.yield [line, count]
-            count += 1
-          end
-
-          # Yield fake 'after' lines for the last line of file_contents
-          (count + 1..count + SEARCH_CONTEXT_LINES).each do |i|
-            yielder.yield [nil, i]
-          end
-        end
-
-        greps = []
-
-        # Loop through consecutive blocks of lines with indexes
-        lines_with_index.each_cons(2 * SEARCH_CONTEXT_LINES + 1) do |line_block|
-          # Get the 'middle' line and index from the block
-          line, _ = line_block[SEARCH_CONTEXT_LINES]
-
-          next unless line && line.match(/#{Regexp.escape(query)}/i)
-
-          # Yay, 'line' contains a match!
-          # Get an array with just the context lines (no indexes)
-          match_with_context = line_block.map(&:first)
-          # Remove 'nil' lines in case we are close to the first or last line
-          match_with_context.compact!
-
-          # Get the line number (1-indexed) of the first context line
-          first_context_line_number = line_block[0][1] + 1
-
-          greps << Gitlab::Git::BlobSnippet.new(
-            ref,
-            match_with_context,
-            first_context_line_number,
-            filename
-          )
-        end
-
-        greps
-      end
-
       # Return the Rugged patches for the diff between +from+ and +to+.
       def diff_patches(from, to, options = {}, *paths)
         options ||= {}
diff --git a/spec/lib/gitlab/git/repository_spec.rb b/spec/lib/gitlab/git/repository_spec.rb
index 10fa5f4044b..d6cec0f94a5 100644
--- a/spec/lib/gitlab/git/repository_spec.rb
+++ b/spec/lib/gitlab/git/repository_spec.rb
@@ -278,42 +278,6 @@ describe Gitlab::Git::Repository, seed_helper: true do
     end
   end
 
-  describe '#search_files' do
-    let(:results) { repository.search_files('rails', 'master') }
-    subject { results }
-
-    it { is_expected.to be_kind_of Array }
-
-    describe '#first' do
-      subject { super().first }
-      it { is_expected.to be_kind_of Gitlab::Git::BlobSnippet }
-    end
-
-    context 'blob result' do
-      subject { results.first }
-
-      describe '#ref' do
-        subject { super().ref }
-        it { is_expected.to eq('master') }
-      end
-
-      describe '#filename' do
-        subject { super().filename }
-        it { is_expected.to eq('CHANGELOG') }
-      end
-
-      describe '#startline' do
-        subject { super().startline }
-        it { is_expected.to eq(35) }
-      end
-
-      describe '#data' do
-        subject { super().data }
-        it { is_expected.to include "Ability to filter by multiple labels" }
-      end
-    end
-  end
-
   describe '#submodule_url_for' do
     let(:repository) { Gitlab::Git::Repository.new('default', TEST_REPO_PATH) }
     let(:ref) { 'master' }