diff --git a/freqtrade/optimize/default_hyperopt.py b/freqtrade/optimize/default_hyperopt.py
index e127fd6d8..723dfde17 100644
--- a/freqtrade/optimize/default_hyperopt.py
+++ b/freqtrade/optimize/default_hyperopt.py
@@ -5,11 +5,10 @@ from pandas import DataFrame
 from typing import Dict, Any, Callable, List
 from functools import reduce
 
-import numpy
 from skopt.space import Categorical, Dimension, Integer, Real
 
 import freqtrade.vendor.qtpylib.indicators as qtpylib
-from freqtrade.optimize.interface import IHyperOpt
+from freqtrade.optimize.hyperopt_interface import IHyperOpt
 
 class_name = 'DefaultHyperOpts'
 
diff --git a/freqtrade/optimize/hyperopt.py b/freqtrade/optimize/hyperopt.py
index f9a2924a4..bd6e43daa 100644
--- a/freqtrade/optimize/hyperopt.py
+++ b/freqtrade/optimize/hyperopt.py
@@ -22,7 +22,7 @@ from freqtrade.arguments import Arguments
 from freqtrade.configuration import Configuration
 from freqtrade.optimize import load_data
 from freqtrade.optimize.backtesting import Backtesting
-from freqtrade.optimize.resolver import HyperOptResolver
+from freqtrade.optimize.hyperopt_resolver import HyperOptResolver
 
 
 logger = logging.getLogger(__name__)
diff --git a/freqtrade/optimize/interface.py b/freqtrade/optimize/hyperopt_interface.py
similarity index 100%
rename from freqtrade/optimize/interface.py
rename to freqtrade/optimize/hyperopt_interface.py
diff --git a/freqtrade/optimize/resolver.py b/freqtrade/optimize/hyperopt_resolver.py
similarity index 98%
rename from freqtrade/optimize/resolver.py
rename to freqtrade/optimize/hyperopt_resolver.py
index 1e0316c12..1c3a9d577 100644
--- a/freqtrade/optimize/resolver.py
+++ b/freqtrade/optimize/hyperopt_resolver.py
@@ -10,7 +10,7 @@ import os
 from typing import Optional, Dict, Type
 
 from freqtrade.constants import DEFAULT_HYPEROPT
-from freqtrade.optimize.interface import IHyperOpt
+from freqtrade.optimize.hyperopt_interface import IHyperOpt
 
 
 logger = logging.getLogger(__name__)
diff --git a/user_data/hyperopts/sample_hyperopt.py b/user_data/hyperopts/sample_hyperopt.py
index 77e3b1696..83dc5f71a 100644
--- a/user_data/hyperopts/sample_hyperopt.py
+++ b/user_data/hyperopts/sample_hyperopt.py
@@ -9,7 +9,7 @@ import numpy
 from skopt.space import Categorical, Dimension, Integer, Real
 
 import freqtrade.vendor.qtpylib.indicators as qtpylib
-from freqtrade.optimize.interface import IHyperOpt
+from freqtrade.optimize.hyperopt_interface import IHyperOpt
 
 class_name = 'SampleHyperOpts'