diff --git a/vllm/model_executor/models/chatglm.py b/vllm/model_executor/models/chatglm.py
index ca90d10e9f9fb..c3c9ec703c1e6 100644
--- a/vllm/model_executor/models/chatglm.py
+++ b/vllm/model_executor/models/chatglm.py
@@ -14,8 +14,8 @@
 from vllm.attention import Attention, AttentionMetadata
 from vllm.config import CacheConfig, LoRAConfig, MultiModalConfig
 from vllm.distributed import get_pp_group, get_tensor_model_parallel_world_size
-from vllm.inputs import (INPUT_REGISTRY, DecoderOnlyInputs, InputContext,
-                         token_inputs)
+from vllm.inputs import (INPUT_REGISTRY, DecoderOnlyInputs, DummyData,
+                         InputContext, token_inputs)
 from vllm.logger import init_logger
 from vllm.model_executor.layers.activation import SiluAndMul
 from vllm.model_executor.layers.layernorm import RMSNorm
@@ -31,8 +31,7 @@
 from vllm.model_executor.model_loader.weight_utils import default_weight_loader
 from vllm.model_executor.models.glm4_vision_encoder import EVA2CLIPModel
 from vllm.model_executor.sampling_metadata import SamplingMetadata
-from vllm.multimodal import (MULTIMODAL_REGISTRY, MultiModalDataDict,
-                             MultiModalInputs)
+from vllm.multimodal import MULTIMODAL_REGISTRY, MultiModalInputs
 from vllm.multimodal.base import MultiModalData
 from vllm.multimodal.utils import cached_get_tokenizer
 from vllm.sequence import (VLLM_TOKEN_ID_ARRAY_TYPE, IntermediateTensors,
@@ -117,16 +116,15 @@ def get_max_glmv_image_tokens(ctx: InputContext):
     raise NotImplementedError(msg)
 
 
-def dummy_data_for_glmv(
-    ctx: InputContext, seq_len: int, mm_counts: Mapping[str, int]
-) -> Tuple[SequenceData, Optional[MultiModalDataDict]]:
+def dummy_data_for_glmv(ctx: InputContext, seq_len: int,
+                        mm_counts: Mapping[str, int]) -> DummyData:
     hf_config = ctx.get_hf_config(ChatGLMConfig)
     vision_config = getattr(hf_config, 'vision_config', None)
 
     if vision_config is None:
         token_ids = array(VLLM_TOKEN_ID_ARRAY_TYPE, [0] * seq_len)
         seq_data = SequenceData(token_ids)
-        return seq_data, None
+        return DummyData(seq_data, None)
     elif isinstance(vision_config, dict):
         image_size = vision_config["image_size"]
         image_placeholder_length = calculate_image_placeholder(vision_config)
@@ -141,7 +139,7 @@ def dummy_data_for_glmv(
             "image": Image.new("RGB", (image_size, image_size), color=0)
         }
 
-        return seq_data, mm_data
+        return DummyData(seq_data, mm_data)
 
     msg = f"Unsupported vision config: {type(vision_config)}"
     raise NotImplementedError(msg)