diff --git a/src/bluetooth_data_tools/gap.pxd b/src/bluetooth_data_tools/gap.pxd
index a8af2de..4b04beb 100644
--- a/src/bluetooth_data_tools/gap.pxd
+++ b/src/bluetooth_data_tools/gap.pxd
@@ -8,7 +8,6 @@ cdef dict _EMPTY_SERVICE_DATA
 cdef list _EMPTY_SERVICE_UUIDS
 
 cdef object from_bytes
-cdef object from_bytes_little
 cdef object from_bytes_signed
 
 cdef object _cached_uint16_bytes_as_uuid
diff --git a/src/bluetooth_data_tools/gap.py b/src/bluetooth_data_tools/gap.py
index a37c6d7..0209522 100644
--- a/src/bluetooth_data_tools/gap.py
+++ b/src/bluetooth_data_tools/gap.py
@@ -76,7 +76,6 @@ class BLEGAPType(IntEnum):
 
 
 from_bytes = int.from_bytes
-from_bytes_little = partial(from_bytes, byteorder="little")
 from_bytes_signed = partial(from_bytes, byteorder="little", signed=True)
 
 TYPE_SHORT_LOCAL_NAME = BLEGAPType.TYPE_SHORT_LOCAL_NAME.value
@@ -112,7 +111,7 @@ class BLEGAPType(IntEnum):
 @lru_cache(maxsize=256)
 def _uint128_bytes_as_uuid(uint128_bytes: bytes_) -> str:
     """Convert an integer to a UUID str."""
-    int_value = from_bytes_little(uint128_bytes)
+    int_value = int.from_bytes(uint128_bytes, byteorder="little")
     hex = f"{int_value:032x}"
     return f"{hex[:8]}-{hex[8:12]}-{hex[12:16]}-{hex[16:20]}-{hex[20:]}"
 
@@ -123,7 +122,7 @@ def _uint128_bytes_as_uuid(uint128_bytes: bytes_) -> str:
 @lru_cache(maxsize=256)
 def _uint16_bytes_as_uuid(uuid16_bytes: bytes_) -> str:
     """Convert a 16-bit UUID to a UUID str."""
-    return f"0000{from_bytes_little(uuid16_bytes):04x}-{BLE_UUID}"
+    return f"0000{int.from_bytes(uuid16_bytes, byteorder='little'):04x}-{BLE_UUID}"
 
 
 _cached_uint16_bytes_as_uuid = _uint16_bytes_as_uuid
@@ -132,7 +131,7 @@ def _uint16_bytes_as_uuid(uuid16_bytes: bytes_) -> str:
 @lru_cache(maxsize=256)
 def _uint32_bytes_as_uuid(uuid32_bytes: bytes_) -> str:
     """Convert a 32-bit UUID to a UUID str."""
-    return f"{from_bytes_little(uuid32_bytes):08x}-{BLE_UUID}"
+    return f"{int.from_bytes(uuid32_bytes, byteorder='little'):08x}-{BLE_UUID}"
 
 
 _cached_uint32_bytes_as_uuid = _uint32_bytes_as_uuid