diff --git a/distutils/cmd.py b/distutils/cmd.py
index 241621bd..8593d6fd 100644
--- a/distutils/cmd.py
+++ b/distutils/cmd.py
@@ -107,7 +107,7 @@ def __init__(self, dist: Distribution) -> None:
         # timestamps, but methods defined *here* assume that
         # 'self.force' exists for all commands.  So define it here
         # just to be safe.
-        self.force = None
+        self.force: bool | None = None
 
         # The 'help' flag is just used for command-line parsing, so
         # none of that complicated bureaucracy is needed.
diff --git a/distutils/command/build_ext.py b/distutils/command/build_ext.py
index ec45b440..716b07a8 100644
--- a/distutils/command/build_ext.py
+++ b/distutils/command/build_ext.py
@@ -125,7 +125,7 @@ def initialize_options(self):
         self.rpath = None
         self.link_objects = None
         self.debug = None
-        self.force = None
+        self.force: bool = None  # Should always be set in finalize_options
         self.compiler = None
         self.swig = None
         self.swig_cpp = None
diff --git a/distutils/compilers/C/base.py b/distutils/compilers/C/base.py
index 93385e13..6412dc34 100644
--- a/distutils/compilers/C/base.py
+++ b/distutils/compilers/C/base.py
@@ -70,7 +70,7 @@ class Compiler:
     # dictionary (see below -- used by the 'new_compiler()' factory
     # function) -- authors of new compiler interface classes are
     # responsible for updating 'compiler_class'!
-    compiler_type: ClassVar[str] = None  # type: ignore[assignment]
+    compiler_type: ClassVar[str] = None
 
     # XXX things not handled by this compiler abstraction model:
     #   * client can't provide additional options for a compiler,