diff --git a/tests/tokenization/test_cached_tokenizer.py b/tests/tokenization/test_cached_tokenizer.py
index 074039f9e..a5bb3dbcf 100644
--- a/tests/tokenization/test_cached_tokenizer.py
+++ b/tests/tokenization/test_cached_tokenizer.py
@@ -31,7 +31,6 @@ def _check_consistency(target: AnyTokenizer, expected: AnyTokenizer):
     # Cached attributes
     assert target.all_special_ids == expected.all_special_ids
     assert target.all_special_tokens == expected.all_special_tokens
-    assert target.all_special_tokens_extended == expected.all_special_tokens_extended
     assert target.get_vocab() == expected.get_vocab()
     assert len(target) == len(expected)
 
diff --git a/tests/tokenization/test_mistral_tokenizer.py b/tests/tokenization/test_mistral_tokenizer.py
index c80b698ba..4cdfa9df9 100644
--- a/tests/tokenization/test_mistral_tokenizer.py
+++ b/tests/tokenization/test_mistral_tokenizer.py
@@ -258,52 +258,46 @@ def mistral_tokenizer(request) -> MistralTokenizer:
 )
 class TestMistralTokenizer:
     def test_all_special_tokens(self, mistral_tokenizer: MistralTokenizer):
-        attributes = [
-            mistral_tokenizer.all_special_tokens,
-            mistral_tokenizer.all_special_tokens_extended,
-        ]
-
-        for attribute in attributes:
-            if mistral_tokenizer.is_tekken:
-                assert attribute == [
-                    "<unk>",
-                    "<s>",
-                    "</s>",
-                    "[INST]",
-                    "[/INST]",
-                    "[AVAILABLE_TOOLS]",
-                    "[/AVAILABLE_TOOLS]",
-                    "[TOOL_RESULTS]",
-                    "[/TOOL_RESULTS]",
-                    "[TOOL_CALLS]",
-                    "[IMG]",
-                    "<pad>",
-                    "[IMG_BREAK]",
-                    "[IMG_END]",
-                    "[PREFIX]",
-                    "[MIDDLE]",
-                    "[SUFFIX]",
-                    "[SYSTEM_PROMPT]",
-                    "[/SYSTEM_PROMPT]",
-                    "[TOOL_CONTENT]",
-                ] + [f"<SPECIAL_{i}>" for i in range(20, 32)] + [
-                    "[ARGS]",
-                    "[CALL_ID]",
-                    "[THINK]",
-                    "[/THINK]",
-                ] + [f"<SPECIAL_{i}>" for i in range(36, 1000)]
-            else:
-                assert attribute == [
-                    "<s>",
-                    "</s>",
-                    "[INST]",
-                    "[/INST]",
-                    "[TOOL_CALLS]",
-                    "[AVAILABLE_TOOLS]",
-                    "[/AVAILABLE_TOOLS]",
-                    "[TOOL_RESULTS]",
-                    "[/TOOL_RESULTS]",
-                ] + [f"[control_{i}]" for i in range(8, 769)]
+        if mistral_tokenizer.is_tekken:
+            assert mistral_tokenizer.all_special_tokens == [
+                "<unk>",
+                "<s>",
+                "</s>",
+                "[INST]",
+                "[/INST]",
+                "[AVAILABLE_TOOLS]",
+                "[/AVAILABLE_TOOLS]",
+                "[TOOL_RESULTS]",
+                "[/TOOL_RESULTS]",
+                "[TOOL_CALLS]",
+                "[IMG]",
+                "<pad>",
+                "[IMG_BREAK]",
+                "[IMG_END]",
+                "[PREFIX]",
+                "[MIDDLE]",
+                "[SUFFIX]",
+                "[SYSTEM_PROMPT]",
+                "[/SYSTEM_PROMPT]",
+                "[TOOL_CONTENT]",
+            ] + [f"<SPECIAL_{i}>" for i in range(20, 32)] + [
+                "[ARGS]",
+                "[CALL_ID]",
+                "[THINK]",
+                "[/THINK]",
+            ] + [f"<SPECIAL_{i}>" for i in range(36, 1000)]
+        else:
+            assert mistral_tokenizer.all_special_tokens == [
+                "<s>",
+                "</s>",
+                "[INST]",
+                "[/INST]",
+                "[TOOL_CALLS]",
+                "[AVAILABLE_TOOLS]",
+                "[/AVAILABLE_TOOLS]",
+                "[TOOL_RESULTS]",
+                "[/TOOL_RESULTS]",
+            ] + [f"[control_{i}]" for i in range(8, 769)]
 
     def get_vocab(self, mistral_tokenizer: MistralTokenizer):
         assert (
diff --git a/tests/tokenization/test_tokenizer_registry.py b/tests/tokenization/test_tokenizer_registry.py
index d89737888..f13bb4333 100644
--- a/tests/tokenization/test_tokenizer_registry.py
+++ b/tests/tokenization/test_tokenizer_registry.py
@@ -15,10 +15,6 @@ class TestTokenizer(TokenizerBase):
     def from_pretrained(cls, *args, **kwargs) -> "TestTokenizer":
         return TestTokenizer()
 
-    @property
-    def all_special_tokens_extended(self) -> list[str]:
-        raise NotImplementedError()
-
     @property
     def all_special_tokens(self) -> list[str]:
         raise NotImplementedError()
diff --git a/vllm/transformers_utils/tokenizer.py b/vllm/transformers_utils/tokenizer.py
index 9eb7fe379..be4325ab9 100644
--- a/vllm/transformers_utils/tokenizer.py
+++ b/vllm/transformers_utils/tokenizer.py
@@ -96,7 +96,6 @@ def get_cached_tokenizer(tokenizer: AnyTokenizer) -> AnyTokenizer:
 
     tokenizer_all_special_ids = tokenizer.all_special_ids
     tokenizer_all_special_tokens = tokenizer.all_special_tokens
-    tokenizer_all_special_tokens_extended = tokenizer.all_special_tokens_extended
     tokenizer_vocab = tokenizer.get_vocab()
     tokenizer_len = len(tokenizer)
 
@@ -118,10 +117,6 @@ def get_cached_tokenizer(tokenizer: AnyTokenizer) -> AnyTokenizer:
         def all_special_tokens(self) -> list[str]:
             return tokenizer_all_special_tokens
 
-        @property
-        def all_special_tokens_extended(self) -> list[str]:
-            return tokenizer_all_special_tokens_extended
-
         @property
         def max_token_id(self) -> int:
             return max_token_id
diff --git a/vllm/transformers_utils/tokenizer_base.py b/vllm/transformers_utils/tokenizer_base.py
index 7421eb534..52f221d1e 100644
--- a/vllm/transformers_utils/tokenizer_base.py
+++ b/vllm/transformers_utils/tokenizer_base.py
@@ -10,11 +10,6 @@ if TYPE_CHECKING:
 
 
 class TokenizerBase(ABC):
-    @property
-    @abstractmethod
-    def all_special_tokens_extended(self) -> list[str]:
-        raise NotImplementedError()
-
     @property
     @abstractmethod
     def all_special_tokens(self) -> list[str]:
diff --git a/vllm/transformers_utils/tokenizers/mistral.py b/vllm/transformers_utils/tokenizers/mistral.py
index caff43c55..1954e2a81 100644
--- a/vllm/transformers_utils/tokenizers/mistral.py
+++ b/vllm/transformers_utils/tokenizers/mistral.py
@@ -254,10 +254,6 @@ class MistralTokenizer(TokenizerBase):
 
     # the following attributes are set to fit vLLM's design and are used
     # by the structured output backends.
-    @property
-    def all_special_tokens_extended(self) -> list[str]:
-        return self.all_special_tokens
-
     @property
     def all_special_tokens(self) -> list[str]:
         return self._special_tokens