diff --git a/sql/branch.sql b/sql/branch.sql
deleted file mode 100644
index 024dfd945..000000000
--- a/sql/branch.sql
+++ /dev/null
@@ -1,2 +0,0 @@
-DELETE FROM elsewhere WHERE platform in ('facebook', 'google');
-DELETE FROM app_conf WHERE key LIKE 'facebook_%';
diff --git a/sql/migrations.sql b/sql/migrations.sql
index ee4a3b4ec..52c5d5686 100644
--- a/sql/migrations.sql
+++ b/sql/migrations.sql
@@ -3432,3 +3432,7 @@ UPDATE app_conf SET value = '"https://www.openstreetmap.org"'::jsonb WHERE key =
 UPDATE participants
    SET avatar_url = 'https://pbs.twimg.com/' || regexp_replace(substr(avatar_url, 24), '%2F', '/', 'g')
  WHERE avatar_url LIKE 'https://nitter.net/pic/%';
+
+-- migration #173
+DELETE FROM elsewhere WHERE platform in ('facebook', 'google');
+DELETE FROM app_conf WHERE key LIKE 'facebook_%';
diff --git a/sql/schema.sql b/sql/schema.sql
index 83cc59b4b..a2541733b 100644
--- a/sql/schema.sql
+++ b/sql/schema.sql
@@ -14,7 +14,7 @@ COMMENT ON EXTENSION pg_stat_statements IS 'track execution statistics of all SQ
 
 -- database metadata
 CREATE TABLE db_meta (key text PRIMARY KEY, value jsonb);
-INSERT INTO db_meta (key, value) VALUES ('schema_version', '172'::jsonb);
+INSERT INTO db_meta (key, value) VALUES ('schema_version', '173'::jsonb);
 
 
 -- app configuration