diff --git a/pylot/core/loc/hsat.py b/pylot/core/loc/hsat.py
deleted file mode 100644
index b191f21b..00000000
--- a/pylot/core/loc/hsat.py
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-from pylot.core.io.phases import writephases
-from pylot.core.util.version import get_git_version as _getVersionString
-
-__version__ = _getVersionString()
-
-def export(picks, fnout):
-    '''
-    Take <picks> dictionary and exports picking data to a NLLOC-obs
-    <phasefile> without creating an ObsPy event object.
-
-    :param picks: picking data dictionary
-    :type picks: dict
-
-    :param fnout: complete path to the exporting obs file
-    :type fnout: str
-    '''
-    # write phases to NLLoc-phase file
-    writephases(picks, 'HYPO71', fnout)