diff --git a/src/active_bo_ros/active_bo_ros/BayesianOptimization/BayesianOptimization.py b/src/active_bo_ros/active_bo_ros/BayesianOptimization/BayesianOptimization.py
index 6e3077d..db1e211 100644
--- a/src/active_bo_ros/active_bo_ros/BayesianOptimization/BayesianOptimization.py
+++ b/src/active_bo_ros/active_bo_ros/BayesianOptimization/BayesianOptimization.py
@@ -3,9 +3,9 @@ from sklearn.gaussian_process import GaussianProcessRegressor
 from sklearn.gaussian_process.kernels import Matern
 
 from active_bo_ros.PolicyModel.GaussianRBFModel import GaussianRBF
-from active_bo_ros.AcquistionFunctions.ExpectedImprovement import ExpectedImprovement
-from active_bo_ros.AcquistionFunctions.ProbabilityOfImprovement import ProbabilityOfImprovement
-from active_bo_ros.AcquistionFunctions.ConfidenceBound import ConfidenceBound
+from active_bo_ros.AcquisitionFunctions.ExpectedImprovement import ExpectedImprovement
+from active_bo_ros.AcquisitionFunctions.ProbabilityOfImprovement import ProbabilityOfImprovement
+from active_bo_ros.AcquisitionFunctions.ConfidenceBound import ConfidenceBound
 
 class BayesianOptimization:
     def __init__(self, env, nr_steps, nr_init=3, acq='ei', nr_weights=6, policy_seed=None):
diff --git a/src/active_bo_ros/setup.py b/src/active_bo_ros/setup.py
index be8e6d3..98587c5 100644
--- a/src/active_bo_ros/setup.py
+++ b/src/active_bo_ros/setup.py
@@ -18,7 +18,7 @@ setup(
         ('share/' + package_name, ['package.xml']),
         (os.path.join('share', package_name), glob('launch/*.launch.py')),
     ],
-    install_requires=['setuptools', 'gym', 'numpy', 'sklearn'],
+    install_requires=['setuptools', 'gym', 'numpy'],
     zip_safe=True,
     maintainer='cpsfeith',
     maintainer_email='nikolaus.feith@unileoben.ac.at',