diff --git a/envertech_local/__init__.py b/envertech_local/__init__.py
index df969e8..cd0c456 100644
--- a/envertech_local/__init__.py
+++ b/envertech_local/__init__.py
@@ -12,7 +12,6 @@
     "build_inverter_break_command",
     "build_inverter_powercontrol_command",
     "build_inverter_command",
-    "hex_string_to_bytes",
     "check_cs",
     "parse_module_data",
     "get_inverter_data",