diff --git a/UI/MainUI/SOGoUserHomePage.m b/UI/MainUI/SOGoUserHomePage.m
index 02de6ad66..3d2b8f12a 100644
--- a/UI/MainUI/SOGoUserHomePage.m
+++ b/UI/MainUI/SOGoUserHomePage.m
@@ -323,7 +323,7 @@ static NSString *LDAPContactInfoAttribute = nil;
   [response setHeader: @"text/plain; charset=utf-8"
 	    forKey: @"Content-Type"];
 
-  responseString = [NSMutableString new];
+  responseString = [NSMutableString string];
 
   // We sort our array - this is pretty useful for the Web
   // interface of SOGo.
@@ -353,7 +353,6 @@ static NSString *LDAPContactInfoAttribute = nil;
         }
     }
   [response appendContentString: responseString];
-  [responseString release];
 
   return response;
 }
diff --git a/UI/SOGoUI/SOGoAptFormatter.m b/UI/SOGoUI/SOGoAptFormatter.m
index 3c5c4b54b..dbd49401d 100644
--- a/UI/SOGoUI/SOGoAptFormatter.m
+++ b/UI/SOGoUI/SOGoAptFormatter.m
@@ -240,8 +240,7 @@
   NSCalendarDate *startDate;
   NSTimeZone *dtz;
 
-  title = [NSMutableString new];
-  [title autorelease];
+  title = [NSMutableString string];
 
   dtz        = [self displayTZ];
   startDate  = [_apt valueForKey: @"startDate"];
diff --git a/UI/Scheduler/UIxTimeDateControl.m b/UI/Scheduler/UIxTimeDateControl.m
index c36b85385..cc768cb2b 100644
--- a/UI/Scheduler/UIxTimeDateControl.m
+++ b/UI/Scheduler/UIxTimeDateControl.m
@@ -176,9 +176,7 @@
   NSMutableArray *hours;
   unsigned int h;
 
-  hours = [NSMutableArray new];
-  [hours autorelease];
-
+  hours = [NSMutableArray array];
   for (h = startHour; h < (endHour + 1); h++)
     [hours addObject: [NSNumber numberWithInt: h]];
 
@@ -210,9 +208,7 @@
   NSMutableArray *minutes;
   unsigned int m;
 
-  minutes = [NSMutableArray new];
-  [minutes autorelease];
-
+  minutes = [NSMutableArray array];
   for (m = 0; m < 60; m += 15)
     [minutes addObject: [NSNumber numberWithInt: m]];