diff --git a/stubs/pyRFC3339/METADATA.toml b/stubs/pyRFC3339/METADATA.toml
deleted file mode 100644
index 5fa43bd49a91..000000000000
--- a/stubs/pyRFC3339/METADATA.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-version = "~=2.0.1"
-upstream_repository = "https://github.com/kurtraschke/pyRFC3339"
-obsolete_since = "2.1.0" # Released on 2025-08-23
diff --git a/stubs/pyRFC3339/pyrfc3339/__init__.pyi b/stubs/pyRFC3339/pyrfc3339/__init__.pyi
deleted file mode 100644
index 759d02593681..000000000000
--- a/stubs/pyRFC3339/pyrfc3339/__init__.pyi
+++ /dev/null
@@ -1,4 +0,0 @@
-from .generator import generate as generate
-from .parser import parse as parse
-
-__all__ = ["generate", "parse"]
diff --git a/stubs/pyRFC3339/pyrfc3339/generator.pyi b/stubs/pyRFC3339/pyrfc3339/generator.pyi
deleted file mode 100644
index 0c0890120a31..000000000000
--- a/stubs/pyRFC3339/pyrfc3339/generator.pyi
+++ /dev/null
@@ -1,3 +0,0 @@
-from datetime import datetime
-
-def generate(dt: datetime, utc: bool = True, accept_naive: bool = False, microseconds: bool = False) -> str: ...
diff --git a/stubs/pyRFC3339/pyrfc3339/parser.pyi b/stubs/pyRFC3339/pyrfc3339/parser.pyi
deleted file mode 100644
index 70bcfdbdfb65..000000000000
--- a/stubs/pyRFC3339/pyrfc3339/parser.pyi
+++ /dev/null
@@ -1,3 +0,0 @@
-from datetime import datetime
-
-def parse(timestamp: str, utc: bool = False, produce_naive: bool = False) -> datetime: ...
diff --git a/stubs/pyRFC3339/pyrfc3339/utils.pyi b/stubs/pyRFC3339/pyrfc3339/utils.pyi
deleted file mode 100644
index 650a438c3cb9..000000000000
--- a/stubs/pyRFC3339/pyrfc3339/utils.pyi
+++ /dev/null
@@ -1 +0,0 @@
-def format_timezone(utcoffset: int) -> str: ...