diff --git a/pg_service_parser/config.py b/pg_service_parser/config.py
deleted file mode 100644
index d294428..0000000
--- a/pg_service_parser/config.py
+++ /dev/null
@@ -1,3 +0,0 @@
-import os.path
-
-DEFAULT_PG_SERVICE_PATH = os.path.expanduser("~/.pg_service.conf")
diff --git a/pg_service_parser/core/pg_service_parser_wrapper.py b/pg_service_parser/core/pg_service_parser_wrapper.py
index 9af4000..9895c45 100644
--- a/pg_service_parser/core/pg_service_parser_wrapper.py
+++ b/pg_service_parser/core/pg_service_parser_wrapper.py
@@ -1,12 +1,12 @@
-import os.path
+from pathlib import Path
 from typing import List, Optional
 
 from pg_service_parser.libs import pgserviceparser
 
 
-def conf_path() -> str:
+def conf_path() -> Path:
     path = pgserviceparser.conf_path()
-    return path if os.path.exists(path) else None
+    return path if path.exists() else None
 
 
 def service_names(conf_file_path: Optional[str] = None) -> List[str]:
@@ -17,26 +17,12 @@ def service_config(service_name: str, conf_file_path: Optional[str] = None) -> d
     return pgserviceparser.service_config(service_name, conf_file_path)
 
 
-def write_service_settings(
+def write_service(
     service_name: str,
     settings: dict,
     conf_file_path: Optional[str] = None,
-) -> bool:
-    """Returns true if it could write the settings to the file.
-
-    :param str service_name: service's name
-    :param dict settings: Settings dict defining the service
-    :param str conf_file_path: path to the pg_service.conf. If None the `conf_path()` is used, defaults to None
-
-    :return bool: True if the setting has been successfully written
-    """
-    config = pgserviceparser.full_config(conf_file_path)
-    if service_name in config:
-        config[service_name] = settings.copy()
-        with open(conf_file_path or pgserviceparser.conf_path(), "w") as configfile:
-            config.write(configfile)
-            return True
-    return False
+):
+    pgserviceparser.write_service(service_name, settings, conf_file_path)
 
 
 def create_service(
@@ -51,24 +37,22 @@ def create_service(
         config.write(f)
 
     if service_name in config:
-        return write_service_settings(service_name, settings)
+        pgserviceparser.write_service(service_name, settings)
+        return True
 
     return False
 
 
 def copy_service_settings(
     source_service_name: str, target_service_name: str, conf_file_path: Optional[str] = None
-) -> bool:
+):
     settings = pgserviceparser.service_config(source_service_name, conf_file_path)
-
     config = pgserviceparser.full_config(conf_file_path)
-    res = False
+
     if target_service_name in config:
-        res = write_service_settings(target_service_name, settings, conf_file_path)
+        pgserviceparser.write_service(target_service_name, settings, conf_file_path)
     else:
-        res = create_service(target_service_name, settings, conf_file_path)
-
-    return res
+        create_service(target_service_name, settings, conf_file_path)
 
 
 if __name__ == "__main__":
@@ -86,7 +70,7 @@ def copy_service_settings(
     assert service_names() == ["qgis-test"]
 
     # Clone existing service
-    assert copy_service_settings("qgis-test", "qgis-demo")
+    copy_service_settings("qgis-test", "qgis-demo")
     assert service_names() == ["qgis-test", "qgis-demo"]
     assert service_config("qgis-demo") == _settings
 
diff --git a/pg_service_parser/gui/dlg_pg_service.py b/pg_service_parser/gui/dlg_pg_service.py
index 484924c..ae62a86 100644
--- a/pg_service_parser/gui/dlg_pg_service.py
+++ b/pg_service_parser/gui/dlg_pg_service.py
@@ -8,7 +8,7 @@
     copy_service_settings,
     service_config,
     service_names,
-    write_service_settings,
+    write_service,
 )
 from pg_service_parser.utils import get_ui_class
 
@@ -35,7 +35,7 @@ def __init__(self, parent):
 
         self.__edit_model = None
 
-        self.txtConfFile.setText(conf_file_path)
+        self.txtConfFile.setText(str(conf_file_path))
         self.lblWarning.setVisible(False)
 
         self.radOverwrite.toggled.connect(self.__update_target_controls)
@@ -99,7 +99,10 @@ def __copy_service(self):
                 return
             elif self.txtNewService.text().strip() in service_names():
                 self.bar.pushWarning(
-                    "PG service", "Service name already exists! Change it and try again."
+                    "PG service",
+                    "Service name '{}' already exists! Change it and try again.".format(
+                        self.txtNewService.text().strip()
+                    ),
                 )
                 return
         elif self.radOverwrite.isChecked():
@@ -113,12 +116,10 @@ def __copy_service(self):
             else self.txtNewService.text().strip()
         )
 
-        if copy_service_settings(self.cboSourceService.currentText(), target_service):
-            self.bar.pushSuccess("PG service", f"PG service copied to '{target_service}'!")
-            if self.radCreate.isChecked():
-                self.__initialize_copy_services()  # Reflect the newly added service
-        else:
-            self.bar.pushWarning("PG service", "There was a problem copying the service!")
+        copy_service_settings(self.cboSourceService.currentText(), target_service)
+        self.bar.pushSuccess("PG service", f"PG service copied to '{target_service}'!")
+        if self.radCreate.isChecked():
+            self.__initialize_copy_services()  # Reflect the newly added service
 
     @pyqtSlot(int)
     def __current_tab_changed(self, index):
@@ -157,11 +158,8 @@ def __edit_service_changed(self, index):
     def __update_service_clicked(self):
         if self.__edit_model and self.__edit_model.is_dirty():
             target_service = self.cboEditService.currentText()
-            res = write_service_settings(target_service, self.__edit_model.service_config())
-            if res:
-                self.bar.pushSuccess("PG service", f"PG service '{target_service}' updated!")
-                self.__edit_model.set_not_dirty()
-            else:
-                self.bar.pushWarning("PG service", "There was a problem updating the service!")
+            write_service(target_service, self.__edit_model.service_config())
+            self.bar.pushSuccess("PG service", f"PG service '{target_service}' updated!")
+            self.__edit_model.set_not_dirty()
         else:
             self.bar.pushInfo("PG service", "Edit the service configuration and try again.")
diff --git a/pg_service_parser/utils.py b/pg_service_parser/utils.py
index 9c7f47f..fc0bbec 100644
--- a/pg_service_parser/utils.py
+++ b/pg_service_parser/utils.py
@@ -2,8 +2,6 @@
 
 from qgis.PyQt.uic import loadUiType
 
-from pg_service_parser.config import DEFAULT_PG_SERVICE_PATH
-
 
 def get_ui_class(ui_file):
     """Get UI Python class from .ui file.
@@ -20,12 +18,3 @@ def get_ui_file_path(ui_file) -> str:
     ui_file_path = os.path.abspath(os.path.join(os.path.dirname(__file__), "ui", ui_file))
 
     return ui_file_path
-
-
-def get_pg_service_path() -> str:
-    """
-    Path to pg_service.conf file, where data will be read from.
-
-    :return: String. pg_service file path.
-    """
-    return DEFAULT_PG_SERVICE_PATH