diff --git a/rwx/os/debian.py b/rwx/os/debian.py
index f8b5fdd..dbaaabb 100644
--- a/rwx/os/debian.py
+++ b/rwx/os/debian.py
@@ -1,17 +1,11 @@
 """Debian operating system."""
 
-from pathlib import Path
-
 from . import OS
 
 
 class Debian(OS):
     """Debian operating system."""
 
-    def __init__(self, path: Path) -> None:
-        """Initialize."""
-        super().__init__(path)
-
     def get_name(self) -> str:
         """Return name."""
         return "Debian"
diff --git a/rwx/os/pm/apt.py b/rwx/os/pm/apt.py
index 17caac3..ac669b6 100644
--- a/rwx/os/pm/apt.py
+++ b/rwx/os/pm/apt.py
@@ -7,10 +7,6 @@ from rwx.ps import Command
 class APT(PM):
     """Advanced Package Tool."""
 
-    def __init__(self) -> None:
-        """Initialize."""
-        super().__init__()
-
     def get_install_command(self) -> Command:
         """Return install command."""
         return Command()
diff --git a/rwx/prj/sphinx.py b/rwx/prj/sphinx.py
index be207ef..c1b2c17 100644
--- a/rwx/prj/sphinx.py
+++ b/rwx/prj/sphinx.py
@@ -14,10 +14,6 @@ from rwx.prj import Project
 class SphinxProject(Project):
     """Child class for a project based on Sphinx."""
 
-    def __init__(self, file_path: str) -> None:
-        """Call the parent constructor."""
-        super().__init__(file_path)
-
     def build(self) -> None:
         """Build the project."""
         output_root: Path = self.root / "out"
@@ -31,9 +27,9 @@ class SphinxProject(Project):
             "-D",
             f"project={self.name}",
             "-D",
-            "master_doc={}".format("index"),
+            "master_doc=index",
             "-D",
-            "html_theme={}".format("sphinx_rtd_theme"),
+            "html_theme=sphinx_rtd_theme",
             "-c",
             str(self.root),
             # "-C",