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 bca74a5aa..4b4c360db 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 ad746ddb4..fd39a865f 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 cd7a671ca..555a20990 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 3ef0c9451..a4aef1eca 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 29e653301..fc57a6daa 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());