diff --git a/reasoning_gym/algorithmic/word_reversal.py b/reasoning_gym/algorithmic/word_reversal.py
index 25e77ac8..b08b459d 100644
--- a/reasoning_gym/algorithmic/word_reversal.py
+++ b/reasoning_gym/algorithmic/word_reversal.py
@@ -9,19 +9,6 @@ from ..data import read_data_file
 from ..factory import ProceduralDataset, register_dataset
 
 
-@dataclass 
-class SpellBackwardConfig:
-    """Configuration for spelling words backward task generation"""
-    
-    min_word_len: int = 3  # Minimum word length
-    seed: Optional[int] = None 
-    size: int = 500  # Virtual dataset size
-
-    def validate(self) -> None:
-        """Validate configuration parameters"""
-        assert self.min_word_len > 0, "min_word_len must be positive"
-
-
 @dataclass
 class WordReversalConfig:
     """Configuration for word reversal task generation"""
@@ -68,32 +55,4 @@ class WordReversalDataset(ProceduralDataset):
         }
 
 
-class SpellBackwardDataset(ProceduralDataset):
-    """Generates tasks to spell words backward"""
-
-    def __init__(self, config: SpellBackwardConfig):
-        super().__init__(config=config, seed=config.seed, size=config.size)
-
-        # Load and preprocess text
-        text = read_data_file("in_the_year_2889.txt")
-        # Extract words and clean them to contain only alphanumeric characters
-        self.words = [word for word in re.findall(r"\b\w+\b", text) 
-                     if word.isalnum() and len(word) >= config.min_word_len]
-
-    def __getitem__(self, idx: int) -> dict:
-        """Generate a single spell backward task"""
-        rng = Random(self.seed + idx)
-
-        # Select random word
-        word = rng.choice(self.words)
-        answer = word[::-1]
-
-        return {
-            "question": f"Spell this word backward (example: sun -> nus): {word}",
-            "answer": answer,
-            "metadata": {"word": word, "word_len": len(word)},
-        }
-
-
-register_dataset("spell_backward", SpellBackwardDataset, SpellBackwardConfig)
 register_dataset("word_reversal", WordReversalDataset, WordReversalConfig)
diff --git a/tests/test_word_reversal.py b/tests/test_word_reversal.py
index 020b5e8a..310f9cc1 100644
--- a/tests/test_word_reversal.py
+++ b/tests/test_word_reversal.py
@@ -2,12 +2,8 @@
 
 import pytest
 
-from reasoning_gym.algorithmic.word_reversal import (
-    WordReversalConfig,
-    WordReversalDataset,
-    SpellBackwardConfig,
-    SpellBackwardDataset,
-)
+from reasoning_gym.algorithmic.spell_backward import SpellBackwardConfig, SpellBackwardDataset
+from reasoning_gym.algorithmic.word_reversal import WordReversalConfig, WordReversalDataset
 
 
 def test_word_reversal_config_validation():