diff --git a/openpype/hosts/testhost/run_publish.py b/openpype/hosts/testhost/run_publish.py
index 44860a30e4..cc80bdc604 100644
--- a/openpype/hosts/testhost/run_publish.py
+++ b/openpype/hosts/testhost/run_publish.py
@@ -48,8 +48,8 @@ from openpype.tools.publisher.window import PublisherWindow
 
 def main():
     """Main function for testing purposes."""
-    import avalon.api
     import pyblish.api
+    from openpype.pipeline import install_host
     from openpype.modules import ModulesManager
     from openpype.hosts.testhost import api as testhost
 
@@ -57,7 +57,7 @@ def main():
     for plugin_path in manager.collect_plugin_paths()["publish"]:
         pyblish.api.register_plugin_path(plugin_path)
 
-    avalon.api.install(testhost)
+    install_host(testhost)
 
     QtWidgets.QApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
     app = QtWidgets.QApplication([])
diff --git a/openpype/pype_commands.py b/openpype/pype_commands.py
index c05eece2be..e0c8847040 100644
--- a/openpype/pype_commands.py
+++ b/openpype/pype_commands.py
@@ -101,7 +101,8 @@ class PypeCommands:
             RuntimeError: When there is no path to process.
         """
         from openpype.modules import ModulesManager
-        from openpype import install, uninstall
+        from openpype.pipeline import install_openpype_plugins
+
         from openpype.api import Logger
         from openpype.tools.utils.host_tools import show_publish
         from openpype.tools.utils.lib import qt_app_context
@@ -112,7 +113,7 @@ class PypeCommands:
 
         log = Logger.get_logger()
 
-        install()
+        install_openpype_plugins()
 
         manager = ModulesManager()
 
@@ -294,7 +295,8 @@ class PypeCommands:
         # Register target and host
         import pyblish.api
         import pyblish.util
-        import avalon.api
+
+        from openpype.pipeline import install_host
         from openpype.hosts.webpublisher import api as webpublisher
 
         log = PypeLogger.get_logger()
@@ -315,7 +317,7 @@ class PypeCommands:
             for target in targets:
                 pyblish.api.register_target(target)
 
-        avalon.api.install(webpublisher)
+        install_host(webpublisher)
 
         log.info("Running publish ...")
 
diff --git a/openpype/tools/loader/app.py b/openpype/tools/loader/app.py
index 923a1fabdb..23c0909f2b 100644
--- a/openpype/tools/loader/app.py
+++ b/openpype/tools/loader/app.py
@@ -608,14 +608,4 @@ def cli(args):
     # Store settings
     api.Session["AVALON_PROJECT"] = project
 
-    from avalon import pipeline
-
-    # Find the set config
-    _config = pipeline.find_config()
-    if hasattr(_config, "install"):
-        _config.install()
-    else:
-        print("Config `%s` has no function `install`" %
-              _config.__name__)
-
     show()
diff --git a/openpype/tools/utils/host_tools.py b/openpype/tools/utils/host_tools.py
index 2d9733ec94..b0c30f6dfb 100644
--- a/openpype/tools/utils/host_tools.py
+++ b/openpype/tools/utils/host_tools.py
@@ -6,6 +6,7 @@ use singleton approach with global functions (using helper anyway).
 import os
 import avalon.api
 import pyblish.api
+from openpype.pipeline import registered_host
 from .lib import qt_app_context
 
 
@@ -47,7 +48,7 @@ class HostToolsHelper:
                 Window, validate_host_requirements
             )
             # Host validation
-            host = avalon.api.registered_host()
+            host = registered_host()
             validate_host_requirements(host)
 
             workfiles_window = Window(parent=parent)
diff --git a/openpype/tools/utils/lib.py b/openpype/tools/utils/lib.py
index 422d0f5389..12dd637e6a 100644
--- a/openpype/tools/utils/lib.py
+++ b/openpype/tools/utils/lib.py
@@ -6,16 +6,17 @@ import collections
 from Qt import QtWidgets, QtCore, QtGui
 import qtawesome
 
-import avalon.api
-
-from openpype.style import get_default_entity_icon_color
+from openpype.style import (
+    get_default_entity_icon_color,
+    get_objected_colors,
+)
+from openpype.resources import get_image_path
+from openpype.lib import filter_profiles
 from openpype.api import (
     get_project_settings,
     Logger
 )
-from openpype.lib import filter_profiles
-from openpype.style import get_objected_colors
-from openpype.resources import get_image_path
+from openpype.pipeline import registered_host
 
 log = Logger.get_logger(__name__)
 
@@ -402,7 +403,7 @@ class FamilyConfigCache:
 
         self.family_configs.clear()
         # Skip if we're not in host context
-        if not avalon.api.registered_host():
+        if not registered_host():
             return
 
         # Update the icons from the project configuration