diff --git a/freqtrade/commands/arguments.py b/freqtrade/commands/arguments.py
index 6f60e6f86..e6805ed5a 100755
--- a/freqtrade/commands/arguments.py
+++ b/freqtrade/commands/arguments.py
@@ -64,7 +64,6 @@ ARGS_BACKTEST = [
 
 ARGS_HYPEROPT = [
     *ARGS_COMMON_OPTIMIZE,
-    "hyperopt",
     "hyperopt_path",
     "position_stacking",
     "enable_protections",
diff --git a/freqtrade/commands/cli_options.py b/freqtrade/commands/cli_options.py
index 485f85dbd..3898305af 100755
--- a/freqtrade/commands/cli_options.py
+++ b/freqtrade/commands/cli_options.py
@@ -2,7 +2,7 @@
 Definition of cli arguments used in arguments.py
 """
 
-from argparse import SUPPRESS, ArgumentTypeError
+from argparse import ArgumentTypeError
 
 from freqtrade import constants
 from freqtrade.constants import HYPEROPT_LOSS_BUILTIN
@@ -256,12 +256,6 @@ AVAILABLE_CLI_OPTIONS = {
         choices=constants.BACKTEST_CACHE_AGE,
     ),
     # Hyperopt
-    "hyperopt": Arg(
-        "--hyperopt",
-        help=SUPPRESS,
-        metavar="NAME",
-        required=False,
-    ),
     "hyperopt_path": Arg(
         "--hyperopt-path",
         help="Specify additional lookup path for Hyperopt Loss functions.",
diff --git a/freqtrade/configuration/configuration.py b/freqtrade/configuration/configuration.py
index ea0c320fb..c544e47b5 100644
--- a/freqtrade/configuration/configuration.py
+++ b/freqtrade/configuration/configuration.py
@@ -336,7 +336,6 @@ class Configuration:
         # Hyperopt section
 
         configurations = [
-            ("hyperopt", "Using Hyperopt class name: {}"),
             ("hyperopt_path", "Using additional Hyperopt lookup path: {}"),
             ("hyperoptexportfilename", "Using hyperopt file: {}"),
             ("lookahead_analysis_exportfilename", "Saving lookahead analysis results into {} ..."),
diff --git a/freqtrade/optimize/hyperopt/hyperopt.py b/freqtrade/optimize/hyperopt/hyperopt.py
index d0cdc0026..ba88d4969 100644
--- a/freqtrade/optimize/hyperopt/hyperopt.py
+++ b/freqtrade/optimize/hyperopt/hyperopt.py
@@ -18,7 +18,6 @@ from optuna.trial import FrozenTrial, Trial, TrialState
 
 from freqtrade.constants import FTHYPT_FILEVERSION, LAST_BT_RESULT_FN, Config
 from freqtrade.enums import HyperoptState
-from freqtrade.exceptions import OperationalException
 from freqtrade.misc import file_dump_json, plural
 from freqtrade.optimize.hyperopt.hyperopt_optimizer import INITIAL_POINTS, HyperOptimizer
 from freqtrade.optimize.hyperopt.hyperopt_output import HyperoptOutput
@@ -50,12 +49,6 @@ class Hyperopt:
         self.analyze_per_epoch = self.config.get("analyze_per_epoch", False)
         HyperoptStateContainer.set_state(HyperoptState.STARTUP)
 
-        if self.config.get("hyperopt"):
-            raise OperationalException(
-                "Using separate Hyperopt files has been removed in 2021.9. Please convert "
-                "your existing Hyperopt file to the new Hyperoptable strategy interface"
-            )
-
         time_now = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
         strategy = str(self.config["strategy"])
         self.results_file: Path = (
diff --git a/freqtrade/optimize/hyperopt/hyperopt_optimizer.py b/freqtrade/optimize/hyperopt/hyperopt_optimizer.py
index f1b3f7cdd..f905c9733 100644
--- a/freqtrade/optimize/hyperopt/hyperopt_optimizer.py
+++ b/freqtrade/optimize/hyperopt/hyperopt_optimizer.py
@@ -89,13 +89,7 @@ class HyperOptimizer:
         self.custom_hyperopt: HyperOptAuto
         self.analyze_per_epoch = self.config.get("analyze_per_epoch", False)
 
-        if not self.config.get("hyperopt"):
-            self.custom_hyperopt = HyperOptAuto(self.config)
-        else:
-            raise OperationalException(
-                "Using separate Hyperopt files has been removed in 2021.9. Please convert "
-                "your existing Hyperopt file to the new Hyperoptable strategy interface"
-            )
+        self.custom_hyperopt = HyperOptAuto(self.config)
 
         self.backtesting._set_strategy(self.backtesting.strategylist[0])
         self.custom_hyperopt.strategy = self.backtesting.strategy