diff --git a/.drone.star b/.drone.star
index 4c5cf0b..36863ad 100644
--- a/.drone.star
+++ b/.drone.star
@@ -1,12 +1,11 @@
 # Build pipelines
 
 PYTHON_VERSIONS = [
-    "3.7",
-    "3.8",
     "3.9",
     "3.10",
     "3.11",
     "3.12",
+    "3.13",
     "latest",
 ]
 
diff --git a/pseudo_builder.py b/pseudo_builder.py
index 6d9e0e4..245c464 100644
--- a/pseudo_builder.py
+++ b/pseudo_builder.py
@@ -14,7 +14,6 @@ import toml
 from wheel.wheelfile import WheelFile
 
 import release_gitter as rg
-from release_gitter import removeprefix
 
 
 @dataclass
@@ -96,7 +95,7 @@ class _PseudoBuildBackend:
         print("Prepare meta", metadata_directory, config_settings)
 
         metadata = read_metadata()
-        version = removeprefix(metadata.version, "v") if metadata.version else "0.0.0"
+        version = metadata.version.removeprefix("v") if metadata.version else "0.0.0"
 
         # Returns distinfo dir?
         dist_info = Path(metadata_directory) / f"{metadata.name}-{version}.dist-info"
@@ -145,7 +144,7 @@ class _PseudoBuildBackend:
         metadata_directory = Path(metadata_directory)
 
         metadata = read_metadata()
-        version = removeprefix(metadata.version, "v") if metadata.version else "0.0.0"
+        version = metadata.version.removeprefix("v") if metadata.version else "0.0.0"
 
         wheel_directory = Path(wheel_directory)
         wheel_directory.mkdir(exist_ok=True)
diff --git a/pyproject.toml b/pyproject.toml
index c115e3b..a941b53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ authors = [
 maintainers = [
     { name = "Ian Fijolek", email = "iamthefij@gmail.com" }
 ]
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 dependencies = ["requests"]
 
 [project.optional-dependencies]
@@ -53,7 +53,7 @@ run = [
 ]
 
 [[tool.hatch.envs.test.matrix]]
-python = ["3", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+python = ["3", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
 [tool.hatch.envs.lint]
 detached = true
diff --git a/release_gitter.py b/release_gitter.py
index 6f4a28e..f6047a4 100755
--- a/release_gitter.py
+++ b/release_gitter.py
@@ -31,24 +31,6 @@ class InvalidRemoteError(ValueError):
     pass
 
 
-def removeprefix(s: str, pre: str) -> str:
-    # Duplicate str.removeprefix for py<3.9
-    try:
-        return s.removeprefix(pre)  # type: ignore
-    except AttributeError:
-        # Py < 3.9
-        return s[len(pre) :] if s and s.startswith(pre) else s
-
-
-def removesuffix(s: str, suf: str) -> str:
-    # Duplicate str.removesuffix for py<3.9
-    try:
-        return s.removesuffix(suf)  # type: ignore
-    except AttributeError:
-        # Py < 3.9
-        return s[: -len(suf)] if s and s.endswith(suf) else s
-
-
 SYSTEM_SYNONYMS: list[list[str]] = [
     ["Darwin", "darwin", "MacOS", "macos", "macOS"],
     ["Windows", "windows", "win", "win32", "win64"],
@@ -147,7 +129,7 @@ def parse_git_remote(git_url: str | None = None) -> GitRemoteInfo:
             f"{path[1:3]} Could not parse owner and repo from URL {git_url}"
         )
 
-    return GitRemoteInfo(u.hostname, path[1], removesuffix(path[2], ".git"))
+    return GitRemoteInfo(u.hostname, path[1], path[2].removesuffix(".git"))
 
 
 def parse_cargo_version(p: Path) -> str:
diff --git a/release_gitter_test.py b/release_gitter_test.py
index 431266c..1857c16 100644
--- a/release_gitter_test.py
+++ b/release_gitter_test.py
@@ -41,15 +41,6 @@ class TestExpression(NamedTuple):
                 raise
 
 
-class TestGeneral(unittest.TestCase):
-    def test_removesuffix(self):
-        for test_case in (
-            TestExpression(self, ["repo.git", ".git"], {}, "repo"),
-            TestExpression(self, ["repo", ".git"], {}, "repo"),
-        ):
-            test_case.run(release_gitter.removesuffix)
-
-
 class TestRemoteInfo(unittest.TestCase):
     def test_parse_remote_info(self):
         for test_case in (