diff --git a/src/prefect/_internal/pydantic/annotations/__init__.py b/src/prefect/_internal/pydantic/annotations/__init__.py
deleted file mode 100644
index e69de29bb2d1..000000000000
diff --git a/src/prefect/_internal/pydantic/annotations/pendulum.py b/src/prefect/_internal/pydantic/annotations/pendulum.py
deleted file mode 100644
index b18ee1a13310..000000000000
--- a/src/prefect/_internal/pydantic/annotations/pendulum.py
+++ /dev/null
@@ -1,78 +0,0 @@
-"""
-This file contains compat code to handle pendulum.DateTime objects during jsonschema
-generation and validation.
-"""
-
-import typing as t
-
-import pendulum
-from pydantic import GetCoreSchemaHandler, GetJsonSchemaHandler
-from pydantic.json_schema import JsonSchemaValue
-from pydantic_core import core_schema
-from typing_extensions import Annotated
-
-
-class _PendulumDateTimeAnnotation:
-    _pendulum_type: t.Type[
-        t.Union[pendulum.DateTime, pendulum.Date, pendulum.Time]
-    ] = pendulum.DateTime
-
-    _pendulum_types_to_schemas = {
-        pendulum.DateTime: core_schema.datetime_schema(),
-        pendulum.Date: core_schema.date_schema(),
-        pendulum.Duration: core_schema.timedelta_schema(),
-    }
-
-    @classmethod
-    def __get_pydantic_core_schema__(
-        cls,
-        _source_type: t.Any,
-        _handler: GetCoreSchemaHandler,
-    ) -> core_schema.CoreSchema:
-        def validate_from_str(
-            value: str,
-        ) -> t.Union[pendulum.DateTime, pendulum.Date, pendulum.Time]:
-            return pendulum.parse(value)
-
-        def to_str(
-            value: t.Union[pendulum.DateTime, pendulum.Date, pendulum.Time],
-        ) -> str:
-            return value.isoformat()
-
-        from_str_schema = core_schema.chain_schema(
-            [
-                cls._pendulum_types_to_schemas[cls._pendulum_type],
-                core_schema.no_info_plain_validator_function(validate_from_str),
-            ]
-        )
-
-        return core_schema.json_or_python_schema(
-            json_schema=from_str_schema,
-            python_schema=core_schema.union_schema(
-                [
-                    # check if it's an instance first before doing any further work
-                    core_schema.is_instance_schema(cls._pendulum_type),
-                    from_str_schema,
-                ]
-            ),
-            serialization=core_schema.plain_serializer_function_ser_schema(to_str),
-        )
-
-    @classmethod
-    def __get_pydantic_json_schema__(
-        cls, _core_schema: core_schema.CoreSchema, handler: GetJsonSchemaHandler
-    ) -> JsonSchemaValue:
-        return handler(cls._pendulum_types_to_schemas[cls._pendulum_type])
-
-
-class _PendulumDateAnnotation(_PendulumDateTimeAnnotation):
-    _pendulum_type = pendulum.Date
-
-
-class _PendulumDurationAnnotation(_PendulumDateTimeAnnotation):
-    _pendulum_type = pendulum.Duration
-
-
-PydanticPendulumDateTimeType = Annotated[pendulum.DateTime, _PendulumDateTimeAnnotation]
-PydanticPendulumDateType = Annotated[pendulum.Date, _PendulumDateAnnotation]
-PydanticPendulumDurationType = Annotated[pendulum.Duration, _PendulumDurationAnnotation]
diff --git a/src/prefect/_internal/pydantic/v2_schema.py b/src/prefect/_internal/pydantic/v2_schema.py
index c9d7fa08b5e1..1a48c283fa23 100644
--- a/src/prefect/_internal/pydantic/v2_schema.py
+++ b/src/prefect/_internal/pydantic/v2_schema.py
@@ -2,17 +2,11 @@
 import typing
 import typing as t
 
-import pendulum
 import pydantic
 from pydantic import BaseModel as V2BaseModel
 from pydantic import ConfigDict, PydanticUndefinedAnnotation, create_model
 from pydantic.type_adapter import TypeAdapter
 
-from prefect._internal.pydantic.annotations.pendulum import (
-    PydanticPendulumDateTimeType,
-    PydanticPendulumDateType,
-    PydanticPendulumDurationType,
-)
 from prefect._internal.pydantic.schemas import GenerateEmptySchemaForUserClasses
 
 
@@ -74,14 +68,6 @@ def process_v2_params(
 
     type_ = t.Any if param.annotation is inspect._empty else param.annotation
 
-    # Replace pendulum type annotations with our own so that they are pydantic compatible
-    if type_ == pendulum.DateTime:
-        type_ = PydanticPendulumDateTimeType
-    if type_ == pendulum.Date:
-        type_ = PydanticPendulumDateType
-    if type_ == pendulum.Duration:
-        type_ = PydanticPendulumDurationType
-
     field = pydantic.Field(
         default=... if param.default is param.empty else param.default,
         title=param.name,