diff --git a/fastapi/_compat.py b/fastapi/_compat.py
index 0e1fa96af..467101608 100644
--- a/fastapi/_compat.py
+++ b/fastapi/_compat.py
@@ -17,7 +17,7 @@ from typing import (
 )
 
 from fastapi.exceptions import RequestErrorModel
-from fastapi.types import FFQuery, IncEx, ModelNameMap, UnionType
+from fastapi.types import IncEx, ModelNameMap, UnionType
 from pydantic import BaseModel, create_model
 from pydantic.version import VERSION as PYDANTIC_VERSION
 from starlette.datastructures import UploadFile
@@ -43,7 +43,8 @@ sequence_annotation_to_type = {
 sequence_types = tuple(sequence_annotation_to_type.keys())
 
 mapping_annotation_to_type = {
-    FFQuery: list,
+    Dict: list,
+    dict: list,
 }
 
 mapping_types = tuple(mapping_annotation_to_type.keys())
@@ -366,7 +367,7 @@ else:
     mapping_shapes = {
         SHAPE_MAPPING,
     }
-    mapping_shapes_to_type = {SHAPE_MAPPING: FFQuery}
+    mapping_shapes_to_type = {SHAPE_MAPPING: Dict}
 
     @dataclass
     class GenerateJsonSchema:  # type: ignore[no-redef]
diff --git a/fastapi/types.py b/fastapi/types.py
index 58b94e9bd..3205654c7 100644
--- a/fastapi/types.py
+++ b/fastapi/types.py
@@ -8,7 +8,3 @@ DecoratedCallable = TypeVar("DecoratedCallable", bound=Callable[..., Any])
 UnionType = getattr(types, "UnionType", Union)
 ModelNameMap = Dict[Union[Type[BaseModel], Type[Enum]], str]
 IncEx = Union[Set[int], Set[str], Dict[int, Any], Dict[str, Any]]
-
-
-class FFQuery(Dict[str, Union[str, IncEx]]):
-    pass
diff --git a/tests/main.py b/tests/main.py
index f1db57ac4..b4677b2a9 100644
--- a/tests/main.py
+++ b/tests/main.py
@@ -1,8 +1,7 @@
 import http
-from typing import FrozenSet, List, Optional, Union
+from typing import FrozenSet, List, Optional, Union, Dict
 
 from fastapi import FastAPI, Path, Query
-from fastapi.types import FFQuery
 
 app = FastAPI()
 
@@ -186,19 +185,19 @@ def get_query_param_required_type(query: int = Query()):
 
 
 @app.get("/query/mapping-params")
-def get_mapping_query_params(queries: FFQuery[str, str] = Query({})):
+def get_mapping_query_params(queries: Dict[str, str] = Query({})):
     return f"foo bar {queries['foo']} {queries['bar']}"
 
 
 @app.get("/query/mapping-sequence-params")
-def get_sequence_mapping_query_params(queries: FFQuery[str, List[int]] = Query({})):
+def get_sequence_mapping_query_params(queries: Dict[str, List[int]] = Query({})):
     return f"foo bar {dict(queries)}"
 
 
 @app.get("/query/mixed-params")
 def get_mixed_mapping_query_params(
-    sequence_mapping_queries: FFQuery[str, List[Union[str, int]]] = Query({}),
-    mapping_query: FFQuery[str, str] = Query(),
+    sequence_mapping_queries: Dict[str, List[Union[str, int]]] = Query({}),
+    mapping_query: Dict[str, str] = Query(),
     query: str = Query(),
 ):
     return (
@@ -209,9 +208,9 @@ def get_mixed_mapping_query_params(
 
 @app.get("/query/mixed-type-params")
 def get_mixed_mapping_mixed_type_query_params(
-    sequence_mapping_queries: FFQuery[str, List[int]] = Query({}),
-    mapping_query_str: FFQuery[str, str] = Query({}),
-    mapping_query_int: FFQuery[str, int] = Query({}),
+    sequence_mapping_queries: Dict[str, List[int]] = Query({}),
+    mapping_query_str: Dict[str, str] = Query({}),
+    mapping_query_int: Dict[str, int] = Query({}),
     query: int = Query(),
 ):
     return f"foo bar {query} {mapping_query_str}  {mapping_query_int} {dict(sequence_mapping_queries)}"
diff --git a/tests/test_invalid_mapping_param.py b/tests/test_invalid_mapping_param.py
index 2d0913e6d..891793961 100644
--- a/tests/test_invalid_mapping_param.py
+++ b/tests/test_invalid_mapping_param.py
@@ -2,7 +2,6 @@ from typing import List
 
 import pytest
 from fastapi import FastAPI, Query
-from fastapi.types import FFQuery
 
 
 def test_invalid_sequence():
@@ -10,5 +9,5 @@ def test_invalid_sequence():
         app = FastAPI()
 
         @app.get("/items/")
-        def read_items(q: FFQuery[str, List[List[str]]] = Query(default=None)):
+        def read_items(q: Dict[str, List[List[str]]] = Query(default=None)):
             pass  # pragma: no cover