diff --git a/eval/config_celeba_grow.ini b/eval/config_celeba_grow.ini
index b824b194c868c4473520b16c655b5cb55721d383..0e17e71ed157fd9cc7fec128e40c02094d96f0e0 100644
--- a/eval/config_celeba_grow.ini
+++ b/eval/config_celeba_grow.ini
@@ -31,7 +31,7 @@ addresses_filepath = ip_addr_6Machines.json
 [SHARING]
 sharing_package = decentralizepy.sharing.GrowingAlpha
 sharing_class = GrowingAlpha
-init_alpha=0.0
-max_alpha=1.0
+init_alpha=0.05
+max_alpha=0.75
 k=8
 metadata_cap=0.6
diff --git a/eval/config_femnist_grow.ini b/eval/config_femnist_grow.ini
index c15d98a3081ffc26c1e9c27a88ffc0641c193afd..e718a45f2e560989c8a0d2d6fa0f88e6eedda65e 100644
--- a/eval/config_femnist_grow.ini
+++ b/eval/config_femnist_grow.ini
@@ -30,7 +30,7 @@ addresses_filepath = ip_addr_6Machines.json
 [SHARING]
 sharing_package = decentralizepy.sharing.GrowingAlpha
 sharing_class = GrowingAlpha
-init_alpha=0.0
-max_alpha=1.0
-k=10
+init_alpha=0.05
+max_alpha=0.75
+k=8
 metadata_cap=0.6
\ No newline at end of file
diff --git a/src/decentralizepy/node/Node.py b/src/decentralizepy/node/Node.py
index 40fe8b50137c11057714bb5c01351533b4701d67..049855eb7cd04d22770e59c2464187ae9ca78141 100644
--- a/src/decentralizepy/node/Node.py
+++ b/src/decentralizepy/node/Node.py
@@ -6,7 +6,6 @@ import os
 from matplotlib import pyplot as plt
 
 from decentralizepy import utils
-from decentralizepy.communication.Communication import Communication
 from decentralizepy.graphs.Graph import Graph
 from decentralizepy.mappings.Mapping import Mapping
 
diff --git a/src/decentralizepy/sharing/PartialModel.py b/src/decentralizepy/sharing/PartialModel.py
index 19fdfd12d58baaf7ea064d308c1db9ac0bc9e22b..ed91e39630aa1be2e6bec6874041ac226443c20a 100644
--- a/src/decentralizepy/sharing/PartialModel.py
+++ b/src/decentralizepy/sharing/PartialModel.py
@@ -3,7 +3,6 @@ import logging
 import os
 from pathlib import Path
 
-import numpy
 import torch
 
 from decentralizepy.sharing.Sharing import Sharing
diff --git a/src/decentralizepy/training/Training.py b/src/decentralizepy/training/Training.py
index 0267d4acf54ab02f201c70ce462c442a95e4dc59..2b55820b9c6770cfeb6889b9efe30f520fc87c95 100644
--- a/src/decentralizepy/training/Training.py
+++ b/src/decentralizepy/training/Training.py
@@ -1,7 +1,5 @@
 import logging
 
-import matplotlib.pyplot as plt
-import numpy as np
 import torch
 
 from decentralizepy import utils