diff --git a/openpype/hooks/pre_add_last_workfile_arg.py b/openpype/hooks/pre_add_last_workfile_arg.py
index 4797b61580..caebd7d034 100644
--- a/openpype/hooks/pre_add_last_workfile_arg.py
+++ b/openpype/hooks/pre_add_last_workfile_arg.py
@@ -17,6 +17,7 @@ class AddLastWorkfileToLaunchArgs(PreLaunchHook):
         "nuke",
         "nukex",
         "hiero",
+        "houdini",
         "nukestudio",
         "blender",
         "photoshop",
@@ -24,7 +25,7 @@ class AddLastWorkfileToLaunchArgs(PreLaunchHook):
         "afftereffects"
     ]
 
-    def get_last_workfile(self):
+    def execute(self):
         if not self.data.get("start_last_workfile"):
             self.log.info("It is set to not start last workfile on start.")
             return
@@ -38,38 +39,6 @@ class AddLastWorkfileToLaunchArgs(PreLaunchHook):
             self.log.info("Current context does not have any workfile yet.")
             return
 
-        return last_workfile
-
-    def execute(self):
-
-        last_workfile = self.get_last_workfile()
         if last_workfile:
             # Add path to workfile to arguments
             self.launch_context.launch_args.append(last_workfile)
-
-
-class AddLastWorkfileToLaunchArgsHoudini(AddLastWorkfileToLaunchArgs):
-    """Add last workfile path to launch arguments - Houdini specific"""
-    app_groups = ["houdini"]
-
-    def execute(self):
-
-        last_workfile = self.get_last_workfile()
-        if last_workfile:
-            # Whenever a filepath is passed to Houdini then the startup
-            # scripts 123.py and houdinicore.py won't be triggered. Thus
-            # OpenPype will not initialize correctly. As such, whenever
-            # we pass a workfile we first explicitly pass a startup
-            # script to enforce it to run - which will load the last passed
-            # argument as workfile directly.
-            pype_root = os.environ["OPENPYPE_REPOS_ROOT"]
-            startup_path = os.path.join(
-                pype_root, "openpype", "hosts", "houdini", "startup"
-            )
-            startup_script = os.path.join(startup_path,
-                                          "scripts",
-                                          "openpype_launch.py")
-            self.launch_context.launch_args.append(startup_script)
-
-            # Add path to workfile to arguments
-            self.launch_context.launch_args.append(last_workfile)