3 files changed, 10 insertions, 43 deletions
diff --git a/text_recognizer/data/mappings/__init__.py b/text_recognizer/data/mappings/__init__.py
index 84177cb..635f506 100644
--- a/text_recognizer/data/mappings/__init__.py
+++ b/text_recognizer/data/mappings/__init__.py
@@ -1,3 +1,2 @@
 """Mapping modules."""
-from text_recognizer.data.mappings.base import AbstractMapping
 from text_recognizer.data.mappings.emnist import EmnistMapping
diff --git a/text_recognizer/data/mappings/base.py b/text_recognizer/data/mappings/base.py
deleted file mode 100644
index 572ac95..0000000
--- a/text_recognizer/data/mappings/base.py
+++ /dev/null
@@ -1,37 +0,0 @@
-"""Mapping to and from word pieces."""
-from abc import ABC, abstractmethod
-from typing import Dict, List
-
-from torch import Tensor
-
-
-class AbstractMapping(ABC):
-    def __init__(
-        self, input_size: List[int], mapping: List[str], inverse_mapping: Dict[str, int]
-    ) -> None:
-        self.input_size = input_size
-        self.mapping = mapping
-        self.inverse_mapping = inverse_mapping
-
-    def __len__(self) -> int:
-        return len(self.mapping)
-
-    @property
-    def num_classes(self) -> int:
-        return self.__len__()
-
-    @abstractmethod
-    def get_token(self, *args, **kwargs) -> str:
-        ...
-
-    @abstractmethod
-    def get_index(self, *args, **kwargs) -> Tensor:
-        ...
-
-    @abstractmethod
-    def get_text(self, *args, **kwargs) -> str:
-        ...
-
-    @abstractmethod
-    def get_indices(self, *args, **kwargs) -> Tensor:
-        ...
diff --git a/text_recognizer/data/mappings/emnist.py b/text_recognizer/data/mappings/emnist.py
index ecd862e..606d200 100644
--- a/text_recognizer/data/mappings/emnist.py
+++ b/text_recognizer/data/mappings/emnist.py
@@ -6,22 +6,27 @@ from typing import Dict, List, Optional, Sequence, Union, Tuple
 import torch
 from torch import Tensor
 
-from text_recognizer.data.mappings.base import AbstractMapping
-
 ESSENTIALS_FILENAME = Path(__file__).parents[0].resolve() / "emnist_essentials.json"
 
 
-class EmnistMapping(AbstractMapping):
+class EmnistMapping:
     """Mapping for EMNIST labels."""
 
     def __init__(
-        self, extra_symbols: Optional[Sequence[str]] = None, lower: bool = True
+        self,
+        input_size: List[int],
+        mapping: List[str],
+        inverse_mapping: Dict[str, int],
+        extra_symbols: Optional[Sequence[str]] = None,
+        lower: bool = True,
     ) -> None:
+        self.input_size = input_size
+        self.mapping = mapping
+        self.inverse_mapping = inverse_mapping
         self.extra_symbols = set(extra_symbols) if extra_symbols is not None else None
         self.mapping, self.inverse_mapping, self.input_size = self._load_mapping()
         if lower:
             self._to_lower()
-        super().__init__(self.input_size, self.mapping, self.inverse_mapping)
 
     def _load_mapping(self) -> Tuple[List, Dict[str, int], List[int]]:
         """Return the EMNIST mapping."""