diff --git a/lib/Makefile b/lib/Makefile
index 83351da..dc511c7 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -25,13 +25,7 @@ REPACK_VERSION = $(shell grep '"version":' ../META.json | head -1 \
 
 PG_CPPFLAGS = -DREPACK_VERSION=$(REPACK_VERSION)
 
-# Support CREATE EXTENSION for PG >= 9.1 and a simple sql script for PG < 9.1
-ifeq ($(shell echo $$(($(INTVERSION) >= 901))),1)
 DATA_built = pg_repack--$(REPACK_VERSION).sql pg_repack.control
-else
-DATA_built = pg_repack.sql
-DATA = uninstall_pg_repack.sql
-endif
 
 USE_PGXS = 1
 PGXS := $(shell $(PG_CONFIG) --pgxs)
diff --git a/lib/uninstall_pg_repack.sql b/lib/uninstall_pg_repack.sql
deleted file mode 100644
index 7f5aa49..0000000
--- a/lib/uninstall_pg_repack.sql
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * pg_repack: lib/uninstall_repack.sql
- *
- * Portions Copyright (c) 2008-2011, NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- * Portions Copyright (c) 2011, Itagaki Takahiro
- * Portions Copyright (c) 2012-2015, The Reorg Development Team
- */
-
-DROP SCHEMA IF EXISTS repack CASCADE;