diff --git a/src/ssb.rpc.c b/src/ssb.rpc.c
index ac305f2f..7415205c 100644
--- a/src/ssb.rpc.c
+++ b/src/ssb.rpc.c
@@ -1294,7 +1294,7 @@ static void _tf_ssb_rpc_delete_blobs_work(uv_work_t* work)
 	sqlite3_stmt* statement;
 	int64_t now = (int64_t)time(NULL) * 1000ULL;
 	int64_t timestamp = now - age * 1000ULL;
-	const int k_limit = 256;
+	const int k_limit = 128;
 	int deleted = 0;
 	if (sqlite3_prepare(db,
 		"DELETE FROM blobs WHERE blobs.id IN ("
@@ -1360,7 +1360,7 @@ static void _tf_ssb_rpc_start_delete_blobs(tf_ssb_t* ssb, int delay_ms)
 
 void tf_ssb_rpc_start_periodic(tf_ssb_t* ssb)
 {
-	_tf_ssb_rpc_start_delete_blobs(ssb, 0);
+	_tf_ssb_rpc_start_delete_blobs(ssb, 30 * 1000);
 }
 
 void tf_ssb_rpc_register(tf_ssb_t* ssb)