diff --git a/ax/modelbridge/factory.py b/ax/modelbridge/factory.py
index c6e7b0077b6..40fba542e11 100644
--- a/ax/modelbridge/factory.py
+++ b/ax/modelbridge/factory.py
@@ -7,7 +7,7 @@
 # pyre-strict
 
 from logging import Logger
-from typing import Any, Dict, List, Optional, Type
+from typing import Dict, List, Optional, Type
 
 import torch
 from ax.core.data import Data
@@ -423,39 +423,6 @@ def get_thompson(
     )
 
 
-def get_GPMES(
-    experiment: Experiment,
-    data: Data,
-    search_space: Optional[SearchSpace] = None,
-    cost_intercept: float = 0.01,
-    dtype: torch.dtype = torch.double,
-    device: torch.device = DEFAULT_TORCH_DEVICE,
-    transforms: List[Type[Transform]] = Cont_X_trans + Y_trans,
-    transform_configs: Optional[Dict[str, TConfig]] = None,
-    **kwargs: Any,
-) -> TorchModelBridge:
-    """Instantiates a GP model that generates points with MES."""
-    if search_space is None:
-        search_space = experiment.search_space
-    if data.df.empty:
-        raise ValueError("GP + MES BotorchModel requires non-empty data.")
-
-    inputs = {
-        "search_space": search_space,
-        "experiment": experiment,
-        "data": data,
-        "cost_intercept": cost_intercept,
-        "torch_dtype": dtype,
-        "torch_device": device,
-        "transforms": transforms,
-        "transform_configs": transform_configs,
-    }
-
-    if any(p.is_fidelity for k, p in experiment.parameters.items()):
-        inputs["linear_truncated"] = kwargs.get("linear_truncated", True)
-    return checked_cast(TorchModelBridge, Models.GPMES(**inputs))  # pyre-ignore: [16]
-
-
 def get_MOO_EHVI(
     experiment: Experiment,
     data: Data,
diff --git a/ax/modelbridge/registry.py b/ax/modelbridge/registry.py
index b43ffe0b868..262a98ca476 100644
--- a/ax/modelbridge/registry.py
+++ b/ax/modelbridge/registry.py
@@ -61,7 +61,6 @@
 from ax.models.random.uniform import UniformGenerator
 from ax.models.torch.alebo import ALEBO
 from ax.models.torch.botorch import BotorchModel
-from ax.models.torch.botorch_mes import MaxValueEntropySearch
 from ax.models.torch.botorch_modular.model import (
     BoTorchModel as ModularBoTorchModel,
     SurrogateSpec,
@@ -177,12 +176,6 @@ class ModelSetup(NamedTuple):
         transforms=Cont_X_trans + Y_trans,
         standard_bridge_kwargs=STANDARD_TORCH_BRIDGE_KWARGS,
     ),
-    "GPMES": ModelSetup(
-        bridge_class=TorchModelBridge,
-        model_class=MaxValueEntropySearch,
-        transforms=Cont_X_trans + Y_trans,
-        standard_bridge_kwargs=STANDARD_TORCH_BRIDGE_KWARGS,
-    ),
     "EB": ModelSetup(
         bridge_class=DiscreteModelBridge,
         model_class=EmpiricalBayesThompsonSampler,
@@ -465,7 +458,6 @@ class Models(ModelRegistryBase):
 
     SOBOL = "Sobol"
     GPEI = "GPEI"
-    GPMES = "GPMES"
     FACTORIAL = "Factorial"
     SAASBO = "SAASBO"
     FULLYBAYESIAN = "FullyBayesian"
diff --git a/ax/modelbridge/tests/test_factory.py b/ax/modelbridge/tests/test_factory.py
index 3df114026ec..56024045ab6 100644
--- a/ax/modelbridge/tests/test_factory.py
+++ b/ax/modelbridge/tests/test_factory.py
@@ -16,14 +16,12 @@
 from ax.core.observation import ObservationFeatures
 from ax.core.optimization_config import MultiObjectiveOptimizationConfig
 from ax.core.outcome_constraint import ComparisonOp, ObjectiveThreshold
-from ax.core.parameter import RangeParameter
 from ax.modelbridge.discrete import DiscreteModelBridge
 from ax.modelbridge.factory import (
     get_botorch,
     get_empirical_bayes_thompson,
     get_factorial,
     get_GPEI,
-    get_GPMES,
     get_MOO_EHVI,
     get_MOO_NEHVI,
     get_MOO_PAREGO,
@@ -39,7 +37,6 @@
 from ax.modelbridge.torch import TorchModelBridge
 from ax.models.discrete.eb_thompson import EmpiricalBayesThompsonSampler
 from ax.models.discrete.thompson import ThompsonSampler
-from ax.models.winsorization_config import WinsorizationConfig
 from ax.utils.common.testutils import TestCase
 from ax.utils.testing.core_stubs import (
     get_branin_experiment,
@@ -136,53 +133,6 @@ def test_MTGP_LEGACY(self) -> None:
         with self.assertRaises(ValueError):
             get_MTGP_LEGACY(experiment=exp, data=exp.fetch_data(), trial_index=0)
 
-    @fast_botorch_optimize
-    def test_GPMES(self) -> None:
-        """Tests GPMES instantiation."""
-        exp = get_branin_experiment(with_batch=True)
-        with self.assertRaises(ValueError):
-            get_GPMES(experiment=exp, data=exp.fetch_data())
-        exp.trials[0].run()
-        gpmes = get_GPMES(experiment=exp, data=exp.fetch_data())
-        self.assertIsInstance(gpmes, TorchModelBridge)
-
-        # Check that .gen returns without failure
-        gr = gpmes.gen(n=1)
-        self.assertEqual(len(gr.arms), 1)
-
-        # test transform_configs with winsorization
-        configs = {
-            "Winsorize": {
-                "winsorization_config": WinsorizationConfig(
-                    lower_quantile_margin=0.1,
-                    upper_quantile_margin=0.1,
-                )
-            }
-        }
-        gpmes_win = get_GPMES(
-            experiment=exp,
-            data=exp.fetch_data(),
-            # pyre-fixme[6]: For 3rd param expected `Optional[Dict[str, Dict[str,
-            #  Union[None, Dict[str, typing.Any], OptimizationConfig,
-            #  AcquisitionFunction, float, int, str]]]]` but got `Dict[str, Dict[str,
-            #  WinsorizationConfig]]`.
-            transform_configs=configs,
-        )
-        self.assertIsInstance(gpmes_win, TorchModelBridge)
-        self.assertEqual(gpmes_win._transform_configs, configs)
-
-        # test multi-fidelity optimization
-        exp.parameters["x2"] = RangeParameter(
-            name="x2",
-            parameter_type=exp.parameters["x2"].parameter_type,
-            lower=-5.0,
-            upper=10.0,
-            is_fidelity=True,
-            target_value=10.0,
-        )
-        gpmes_mf = get_GPMES(experiment=exp, data=exp.fetch_data())
-        self.assertIsInstance(gpmes_mf, TorchModelBridge)
-
     def test_model_kwargs(self) -> None:
         """Tests that model kwargs are passed correctly."""
         exp = get_branin_experiment()