diff --git a/src/backend/slony1_base.v81.sql b/src/backend/slony1_base.v81.sql
deleted file mode 100644
index e14eaaa5..00000000
--- a/src/backend/slony1_base.v81.sql
+++ /dev/null
@@ -1,12 +0,0 @@
--- ----------------------------------------------------------------------
--- slony1_base.v81.sql
---
---    Version 8.1 specific parts of the basic replication schema.
---
---	Copyright (c) 2003-2004, PostgreSQL Global Development Group
---	Author: Jan Wieck, Afilias USA INC.
---
--- $Id: slony1_base.v81.sql,v 1.1 2007-02-08 18:01:15 cbbrowne Exp $
--- ----------------------------------------------------------------------
-
-
diff --git a/src/backend/slony1_funcs.v81.sql b/src/backend/slony1_funcs.v81.sql
deleted file mode 100644
index bfef615a..00000000
--- a/src/backend/slony1_funcs.v81.sql
+++ /dev/null
@@ -1,132 +0,0 @@
--- ----------------------------------------------------------------------
--- slony1_funcs.v81.sql
---
---    Version 8.1 specific part of the replication support functions.
---
---	Copyright (c) 2003-2004, PostgreSQL Global Development Group
---	Author: Jan Wieck, Afilias USA INC.
---
--- $Id: slony1_funcs.v81.sql,v 1.1 2007-02-08 18:01:15 cbbrowne Exp $
--- ----------------------------------------------------------------------
-
--- ----------------------------------------------------------------------
--- FUNCTION prepareTableForCopy(tab_id)
---
---	Remove all content from a table before the subscription
---	content is loaded via COPY and disable index maintenance.
--- ----------------------------------------------------------------------
-create or replace function @NAMESPACE@.prepareTableForCopy(int4)
-returns int4
-as '
-declare
-	p_tab_id		alias for $1;
-	v_tab_oid		oid;
-	v_tab_fqname	text;
-begin
-	-- ----
-	-- Get the OID and fully qualified name for the table
-	-- ---
-	select	PGC.oid,
-			@NAMESPACE@.slon_quote_brute(PGN.nspname) || ''.'' ||
-			@NAMESPACE@.slon_quote_brute(PGC.relname) as tab_fqname
-		into v_tab_oid, v_tab_fqname
-			from @NAMESPACE@.sl_table T,   
-				"pg_catalog".pg_class PGC, "pg_catalog".pg_namespace PGN
-				where T.tab_id = p_tab_id
-				and T.tab_reloid = PGC.oid
-				and PGC.relnamespace = PGN.oid;
-	if not found then
-		raise exception ''Table with ID % not found in sl_table'', p_tab_id;
-	end if;
-
-	-- ----
-	-- Setting pg_class.relhasindex to false will cause copy not to
-	-- maintain any indexes. At the end of the copy we will reenable
-	-- them and reindex the table. This bulk creating of indexes is
-	-- faster.
-	-- ----
-	update pg_class set relhasindex = ''f'' where oid = v_tab_oid;
-
-	-- ----
-	-- Try using truncate to empty the table and fallback to
-	-- delete on error.
-	-- ----
-	execute ''truncate '' || @NAMESPACE@.slon_quote_input(v_tab_fqname);
-	raise notice ''truncate of % succeeded'', v_tab_fqname;
-	return 1;
-	exception when others then
-		raise notice ''truncate of % failed - doing delete'', v_tab_fqname;
-		update pg_class set relhasindex = ''f'' where oid = v_tab_oid;
-		execute ''delete from only '' || @NAMESPACE@.slon_quote_input(v_tab_fqname);
-		return 0;
-end;
-' language plpgsql;
-
-comment on function @NAMESPACE@.prepareTableForCopy(int4) is
-'Delete all data and suppress index maintenance';
-
--- ----------------------------------------------------------------------
--- FUNCTION finishTableAfterCopy(tab_id)
---
---	Reenable index maintenance and reindex the table after COPY.
--- ----------------------------------------------------------------------
-create or replace function @NAMESPACE@.finishTableAfterCopy(int4)
-returns int4
-as '
-declare
-	p_tab_id		alias for $1;
-	v_tab_oid		oid;
-	v_tab_fqname	text;
-begin
-	-- ----
-	-- Get the tables OID and fully qualified name
-	-- ---
-	select	PGC.oid,
-			@NAMESPACE@.slon_quote_brute(PGN.nspname) || ''.'' ||
-			@NAMESPACE@.slon_quote_brute(PGC.relname) as tab_fqname
-		into v_tab_oid, v_tab_fqname
-			from @NAMESPACE@.sl_table T,   
-				"pg_catalog".pg_class PGC, "pg_catalog".pg_namespace PGN
-				where T.tab_id = p_tab_id
-				and T.tab_reloid = PGC.oid
-				and PGC.relnamespace = PGN.oid;
-	if not found then
-		raise exception ''Table with ID % not found in sl_table'', p_tab_id;
-	end if;
-
-	-- ----
-	-- Reenable indexes and reindex the table.
-	-- ----
-	update pg_class set relhasindex = ''t'' where oid = v_tab_oid;
-	execute ''reindex table '' || @NAMESPACE@.slon_quote_input(v_tab_fqname);
-
-	return 1;
-end;
-' language plpgsql;
-
-comment on function @NAMESPACE@.finishTableAfterCopy(int4) is
-'Reenable index maintenance and reindex the table';
-
-create or replace function @NAMESPACE@.pre74()
-returns integer
-as 'select 0' language sql;
-
-comment on function @NAMESPACE@.pre74() is 
-'Returns 1/0 based on whether or not the DB is running a
-version earlier than 7.4';
-
-create or replace function @NAMESPACE@.make_function_strict (text, text) returns void as
-'
-declare
-   fun alias for $1;
-   parms alias for $2;
-   stmt text;
-begin
-   stmt := ''ALTER FUNCTION "_@CLUSTERNAME@".'' || fun || '' '' || parms || '' STRICT;'';
-   execute stmt;
-   return;
-end
-' language plpgsql;
-
-comment on function @NAMESPACE@.make_function_strict (text, text) is
-'Equivalent to 8.1+ ALTER FUNCTION ... STRICT';