diff --git a/bramble-core/src/main/java/org/briarproject/bramble/properties/TransportPropertyManagerImpl.java b/bramble-core/src/main/java/org/briarproject/bramble/properties/TransportPropertyManagerImpl.java
index bca74a5aa8a3b74a59ef1d07da32d4a9255ed26f..4b4c360dbd4c2a07c02860e9427c17b8a75a9888 100644
--- a/bramble-core/src/main/java/org/briarproject/bramble/properties/TransportPropertyManagerImpl.java
+++ b/bramble-core/src/main/java/org/briarproject/bramble/properties/TransportPropertyManagerImpl.java
@@ -78,7 +78,6 @@ class TransportPropertyManagerImpl implements TransportPropertyManager,
 	public void addingContact(Transaction txn, Contact c) throws DbException {
 		// Create a group to share with the contact
 		Group g = getContactGroup(c);
-		// Store the group and share it with the contact
 		db.addGroup(txn, g);
 		// Apply the client's visibility to the contact group
 		Visibility client = clientVersioningManager.getClientVisibility(txn,
diff --git a/briar-core/src/main/java/org/briarproject/briar/introduction/IntroductionManagerImpl.java b/briar-core/src/main/java/org/briarproject/briar/introduction/IntroductionManagerImpl.java
index ad746ddb4e1dd7c26d7ab6caf372c1eb26185142..fd39a865fefbb6861a7d29a65c17a7cd1c116004 100644
--- a/briar-core/src/main/java/org/briarproject/briar/introduction/IntroductionManagerImpl.java
+++ b/briar-core/src/main/java/org/briarproject/briar/introduction/IntroductionManagerImpl.java
@@ -121,7 +121,6 @@ class IntroductionManagerImpl extends ConversationClientImpl
 	public void addingContact(Transaction txn, Contact c) throws DbException {
 		// Create a group to share with the contact
 		Group g = getContactGroup(c);
-		// Store the group and share it with the contact
 		db.addGroup(txn, g);
 		// Apply the client's visibility to the contact group
 		Visibility client = clientVersioningManager.getClientVisibility(txn,
diff --git a/briar-core/src/main/java/org/briarproject/briar/messaging/MessagingManagerImpl.java b/briar-core/src/main/java/org/briarproject/briar/messaging/MessagingManagerImpl.java
index cd7a671ca98aeee3ae8f2a2205dce303cc258ef3..555a209905a810fd57df4dd4df78691a427d170b 100644
--- a/briar-core/src/main/java/org/briarproject/briar/messaging/MessagingManagerImpl.java
+++ b/briar-core/src/main/java/org/briarproject/briar/messaging/MessagingManagerImpl.java
@@ -71,7 +71,6 @@ class MessagingManagerImpl extends ConversationClientImpl
 	public void addingContact(Transaction txn, Contact c) throws DbException {
 		// Create a group to share with the contact
 		Group g = getContactGroup(c);
-		// Store the group and share it with the contact
 		db.addGroup(txn, g);
 		// Apply the client's visibility to the contact group
 		Visibility client = clientVersioningManager.getClientVisibility(txn,
diff --git a/briar-core/src/main/java/org/briarproject/briar/privategroup/invitation/GroupInvitationManagerImpl.java b/briar-core/src/main/java/org/briarproject/briar/privategroup/invitation/GroupInvitationManagerImpl.java
index 3ef0c9451356a96a1e1b42fecb63413f8ad49c2b..a4aef1eca325f79485c255c311510cd9d58219d4 100644
--- a/briar-core/src/main/java/org/briarproject/briar/privategroup/invitation/GroupInvitationManagerImpl.java
+++ b/briar-core/src/main/java/org/briarproject/briar/privategroup/invitation/GroupInvitationManagerImpl.java
@@ -115,7 +115,6 @@ class GroupInvitationManagerImpl extends ConversationClientImpl
 	public void addingContact(Transaction txn, Contact c) throws DbException {
 		// Create a group to share with the contact
 		Group g = getContactGroup(c);
-		// Store the group and share it with the contact
 		db.addGroup(txn, g);
 		Visibility client = clientVersioningManager.getClientVisibility(txn,
 				c.getId(), CLIENT_ID, MAJOR_VERSION);
diff --git a/briar-core/src/main/java/org/briarproject/briar/sharing/SharingManagerImpl.java b/briar-core/src/main/java/org/briarproject/briar/sharing/SharingManagerImpl.java
index 29e653301a062d5e3ebdcd2a596261982d995a23..fc57a6daace13c60480ea5e1c4e2518b4920ad1f 100644
--- a/briar-core/src/main/java/org/briarproject/briar/sharing/SharingManagerImpl.java
+++ b/briar-core/src/main/java/org/briarproject/briar/sharing/SharingManagerImpl.java
@@ -106,7 +106,6 @@ abstract class SharingManagerImpl<S extends Shareable>
 	public void addingContact(Transaction txn, Contact c) throws DbException {
 		// Create a group to share with the contact
 		Group g = getContactGroup(c);
-		// Store the group and share it with the contact
 		db.addGroup(txn, g);
 		Visibility client = clientVersioningManager.getClientVisibility(txn,
 				c.getId(), getClientId(), getMajorVersion());