diff --git a/news/0.refactor.md b/news/0.refactor.md
new file mode 100644
index 0000000000..f9ec0c4d99
--- /dev/null
+++ b/news/0.refactor.md
@@ -0,0 +1 @@
+Remove unused dead code identified by static analysis.
diff --git a/src/pdm/cli/commands/run.py b/src/pdm/cli/commands/run.py
index 234e6fcee7..d90a275345 100644
--- a/src/pdm/cli/commands/run.py
+++ b/src/pdm/cli/commands/run.py
@@ -54,9 +54,6 @@ def merge_options(*options: TaskOptions | None) -> TaskOptions:
     )
 
 
-exec_opts = merge_options  # Alias for merge_options
-
-
 RE_ARGS_PLACEHOLDER = re.compile(r"\{args(?::(?P<default>[^}]*))?\}")
 RE_PDM_PLACEHOLDER = re.compile(r"\{pdm\}")
 
diff --git a/src/pdm/exceptions.py b/src/pdm/exceptions.py
index b50731538b..87bcea8d7e 100644
--- a/src/pdm/exceptions.py
+++ b/src/pdm/exceptions.py
@@ -61,12 +61,6 @@ class PDMDeprecationWarning(PDMWarning, DeprecationWarning):
 warnings.simplefilter("default", category=PDMDeprecationWarning)
 
 
-class ExtrasWarning(PDMWarning):
-    def __init__(self, project_name: str, extras: list[str]) -> None:
-        super().__init__(f"Extras not found for {project_name}: [{','.join(extras)}]")
-        self.extras = tuple(extras)
-
-
 class ProjectError(PdmUsageError):
     pass
 
diff --git a/src/pdm/installers/manager.py b/src/pdm/installers/manager.py
index 2946ab82c4..f1fb1fc503 100644
--- a/src/pdm/installers/manager.py
+++ b/src/pdm/installers/manager.py
@@ -16,9 +16,6 @@
 class InstallManager:
     """The manager that performs the installation and uninstallation actions."""
 
-    # The packages below are needed to load paths and thus should not be cached.
-    NO_CACHE_PACKAGES = ("editables",)
-
     def __init__(
         self, environment: BaseEnvironment, *, use_install_cache: bool = False, rename_pth: bool = False
     ) -> None:
diff --git a/src/pdm/models/project_info.py b/src/pdm/models/project_info.py
index cea936c576..f81e29c4ad 100644
--- a/src/pdm/models/project_info.py
+++ b/src/pdm/models/project_info.py
@@ -3,15 +3,12 @@
 import itertools
 from dataclasses import dataclass, field
 from email.message import Message
-from typing import TYPE_CHECKING, Any, Iterator, cast
+from typing import TYPE_CHECKING, Iterator, cast
 
 if TYPE_CHECKING:
     from pdm.compat import Distribution
 
 
-DYNAMIC = "DYNAMIC"
-
-
 @dataclass
 class ProjectInfo:
     name: str
@@ -55,29 +52,6 @@ def from_distribution(cls, data: Distribution) -> ProjectInfo:
             project_urls=[": ".join(parts) for parts in project_urls.items()],
         )
 
-    @classmethod
-    def from_metadata(cls, metadata: dict[str, Any]) -> ProjectInfo:
-        def get_str(key: str) -> str:
-            if key in metadata.get("dynamic", []):
-                return DYNAMIC
-            return metadata.get(key, "")
-
-        authors = metadata.get("authors", [])
-        author = authors[0]["name"] if authors else ""
-        email = authors[0]["email"] if authors else ""
-
-        return cls(
-            name=metadata["name"],
-            version=get_str("version"),
-            summary=get_str("description"),
-            author=author,
-            email=email,
-            license=metadata.get("license", {}).get("text", ""),
-            requires_python=get_str("requires-python"),
-            keywords=",".join(get_str("keywords")),
-            project_urls=[": ".join(parts) for parts in metadata.get("urls", {}).items()],
-        )
-
     def generate_rows(self) -> Iterator[tuple[str, str]]:
         yield "[primary]Name[/]:", self.name
         yield "[primary]Latest version[/]:", self.version
diff --git a/src/pdm/models/specifiers.py b/src/pdm/models/specifiers.py
index c7eb4b98ec..a93b7d1ac3 100644
--- a/src/pdm/models/specifiers.py
+++ b/src/pdm/models/specifiers.py
@@ -72,7 +72,6 @@ class PySpecSet(SpecifierSet):
     """A custom SpecifierSet that supports merging with logic operators (&, |)."""
 
     PY_MAX_MINOR_VERSION = _read_max_versions()
-    MAX_MAJOR_VERSION = max(PY_MAX_MINOR_VERSION)[:1].bump()
 
     __slots__ = ("_logic", "_prereleases", "_specs")
 
diff --git a/src/pdm/project/core.py b/src/pdm/project/core.py
index dfc4c5d15c..8e949a0c96 100644
--- a/src/pdm/project/core.py
+++ b/src/pdm/project/core.py
@@ -5,7 +5,6 @@
 import itertools
 import operator
 import os
-import re
 import shutil
 import sys
 from copy import deepcopy
@@ -70,7 +69,6 @@ class Project:
     """
 
     PYPROJECT_FILENAME = "pyproject.toml"
-    DEPENDENCIES_RE = re.compile(r"(?:(.+?)-)?dependencies")
 
     def __init__(
         self,
diff --git a/src/pdm/termui.py b/src/pdm/termui.py
index f7c2be67e7..bd538313de 100644
--- a/src/pdm/termui.py
+++ b/src/pdm/termui.py
@@ -155,11 +155,6 @@ def __exit__(self, *args: Any) -> None:
         pass
 
 
-class SilentSpinner(DummySpinner):
-    def _show(self) -> None:
-        pass
-
-
 class TruncatedIO:
     """A wrapper for IO that truncates output after certain length."""