1 files changed, 0 insertions, 26 deletions
diff --git a/lib/gitlab/database.rb b/lib/gitlab/database.rb
index accc6330253..d9c4b1cb280 100644
--- a/lib/gitlab/database.rb
+++ b/lib/gitlab/database.rb
@@ -92,10 +92,6 @@ module Gitlab
       @version ||= database_version.match(/\A(?:PostgreSQL |)([^\s]+).*\z/)[1]
     end
 
-    def self.postgresql_9_or_less?
-      version.to_f < 10
-    end
-
     def self.postgresql_minimum_supported_version?
       version.to_f >= MINIMUM_POSTGRES_VERSION
     end
@@ -127,28 +123,6 @@ module Gitlab
       # ignore - happens when Rake tasks yet have to create a database, e.g. for testing
     end
 
-    # map some of the function names that changed between PostgreSQL 9 and 10
-    # https://wiki.postgresql.org/wiki/New_in_postgres_10
-    def self.pg_wal_lsn_diff
-      Gitlab::Database.postgresql_9_or_less? ? 'pg_xlog_location_diff' : 'pg_wal_lsn_diff'
-    end
-
-    def self.pg_current_wal_insert_lsn
-      Gitlab::Database.postgresql_9_or_less? ? 'pg_current_xlog_insert_location' : 'pg_current_wal_insert_lsn'
-    end
-
-    def self.pg_last_wal_receive_lsn
-      Gitlab::Database.postgresql_9_or_less? ? 'pg_last_xlog_receive_location' : 'pg_last_wal_receive_lsn'
-    end
-
-    def self.pg_last_wal_replay_lsn
-      Gitlab::Database.postgresql_9_or_less? ? 'pg_last_xlog_replay_location' : 'pg_last_wal_replay_lsn'
-    end
-
-    def self.pg_last_xact_replay_timestamp
-      'pg_last_xact_replay_timestamp'
-    end
-
     def self.nulls_last_order(field, direction = 'ASC')
       Arel.sql("#{field} #{direction} NULLS LAST")
     end