diff --git a/RSSAttachedMedia.h b/RSSAttachedMedia.h
index 954b62c..c4a3868 100755
--- a/RSSAttachedMedia.h
+++ b/RSSAttachedMedia.h
@@ -15,9 +15,9 @@
 	NSString *type;
 }
 
-@property (nonatomic, retain) NSString *url;
+@property (nonatomic, strong) NSString *url;
 @property (nonatomic, assign) int length;
-@property (nonatomic, retain) NSString *type;
+@property (nonatomic, strong) NSString *type;
 
 @end
 
diff --git a/RSSAttachedMedia.m b/RSSAttachedMedia.m
index be0dc3d..cf95e44 100755
--- a/RSSAttachedMedia.m
+++ b/RSSAttachedMedia.m
@@ -15,11 +15,6 @@ @implementation RSSAttachedMedia
 @synthesize length;
 @synthesize type;
 
-- (void) dealloc {
-	self.url = NULL;
-	self.type = NULL;
-	[super dealloc];
-}
 
 @end
 
diff --git a/RSSCloudService.h b/RSSCloudService.h
index 8aa5265..7114da8 100755
--- a/RSSCloudService.h
+++ b/RSSCloudService.h
@@ -17,11 +17,11 @@
 	NSString *protocol;
 }
 
-@property (nonatomic, retain) NSString *domain;
+@property (nonatomic, strong) NSString *domain;
 @property (nonatomic, assign) int port;
-@property (nonatomic, retain) NSString *path;
-@property (nonatomic, retain) NSString *procedure;
-@property (nonatomic, retain) NSString *protocol;
+@property (nonatomic, strong) NSString *path;
+@property (nonatomic, strong) NSString *procedure;
+@property (nonatomic, strong) NSString *protocol;
 
 @end
 
diff --git a/RSSCloudService.m b/RSSCloudService.m
index 1d77443..b60899c 100755
--- a/RSSCloudService.m
+++ b/RSSCloudService.m
@@ -17,13 +17,6 @@ @implementation RSSCloudService
 @synthesize procedure;
 @synthesize protocol;
 
-- (void) dealloc {
-	self.domain = NULL;
-	self.path = NULL;
-	self.procedure = NULL;
-	self.protocol = NULL;
-	[super dealloc];
-}
 
 @end
 
diff --git a/RSSEntry.h b/RSSEntry.h
index a6d2518..a225e9b 100755
--- a/RSSEntry.h
+++ b/RSSEntry.h
@@ -24,17 +24,17 @@
 	NSString *author;
 }
 
-@property (nonatomic, retain) NSString *title;
-@property (nonatomic, retain) NSString *url;
-@property (nonatomic, retain) NSString *uid;
-@property (nonatomic, retain) NSString *date;
-@property (nonatomic, retain) NSString *summary;
-@property (nonatomic, retain) NSMutableArray *categories;
-@property (nonatomic, retain) NSString *comments;
-@property (nonatomic, retain) NSString *content;
-@property (nonatomic, retain) NSString *copyright;
-@property (nonatomic, retain) RSSAttachedMedia *attachedMedia;
-@property (nonatomic, retain) NSString *author;
+@property (nonatomic, strong) NSString *title;
+@property (nonatomic, strong) NSString *url;
+@property (nonatomic, strong) NSString *uid;
+@property (nonatomic, strong) NSString *date;
+@property (nonatomic, strong) NSString *summary;
+@property (nonatomic, strong) NSMutableArray *categories;
+@property (nonatomic, strong) NSString *comments;
+@property (nonatomic, strong) NSString *content;
+@property (nonatomic, strong) NSString *copyright;
+@property (nonatomic, strong) RSSAttachedMedia *attachedMedia;
+@property (nonatomic, strong) NSString *author;
 
 @end
 
diff --git a/RSSEntry.m b/RSSEntry.m
index 452eae7..370271c 100755
--- a/RSSEntry.m
+++ b/RSSEntry.m
@@ -27,24 +27,9 @@ - (id) init {
 	self = [super init];
 	NSMutableArray *theCategories = [[NSMutableArray alloc] init];
 	self.categories = theCategories;
-	[theCategories release];
 	return self;
 }
 
-- (void) dealloc {
-	self.title = NULL;
-	self.url = NULL;
-	self.uid = NULL;
-	self.date = NULL;
-	self.summary = NULL;
-	self.categories = NULL;
-	self.comments = NULL;
-	self.content = NULL;
-	self.copyright = NULL;
-	self.attachedMedia = NULL;
-	self.author = NULL;
-	[super dealloc];
-}
 
 @end
 
diff --git a/RSSFeed.h b/RSSFeed.h
index 483fb12..2e8a739 100755
--- a/RSSFeed.h
+++ b/RSSFeed.h
@@ -30,20 +30,20 @@
 }
 
 @property (nonatomic, assign) RSSFeedType type;
-@property (nonatomic, retain) NSString *title;
-@property (nonatomic, retain) NSString *description;
-@property (nonatomic, retain) NSString *url;
-@property (nonatomic, retain) NSString *date;
-@property (nonatomic, retain) NSString *author;
-@property (nonatomic, retain) NSMutableArray *articles;
-@property (nonatomic, retain) NSString *uid;
-@property (nonatomic, retain) NSString *language;
-@property (nonatomic, retain) NSString *copyright;
-@property (nonatomic, retain) NSMutableArray *categories;
-@property (nonatomic, retain) NSString *generator;
+@property (nonatomic, strong) NSString *title;
+@property (nonatomic, strong) NSString *description;
+@property (nonatomic, strong) NSString *url;
+@property (nonatomic, strong) NSString *date;
+@property (nonatomic, strong) NSString *author;
+@property (nonatomic, strong) NSMutableArray *articles;
+@property (nonatomic, strong) NSString *uid;
+@property (nonatomic, strong) NSString *language;
+@property (nonatomic, strong) NSString *copyright;
+@property (nonatomic, strong) NSMutableArray *categories;
+@property (nonatomic, strong) NSString *generator;
 @property (nonatomic, assign) NSTimeInterval validTime;
-@property (nonatomic, retain) NSString *iconUrl;
-@property (nonatomic, retain) RSSCloudService *cloudService;
+@property (nonatomic, strong) NSString *iconUrl;
+@property (nonatomic, strong) RSSCloudService *cloudService;
 
 
 @end
diff --git a/RSSFeed.m b/RSSFeed.m
index 1bc24ba..a814d4c 100755
--- a/RSSFeed.m
+++ b/RSSFeed.m
@@ -31,29 +31,11 @@ - (id) init {
 	self = [super init];
 	NSMutableArray *theArticles = [[NSMutableArray alloc] init];
 	self.articles = theArticles;
-	[theArticles release];
 	NSMutableArray *theCategories = [[NSMutableArray alloc] init];
 	self.categories = theCategories;
-	[theCategories release];
 	return self;
 }
 
-- (void) dealloc {
-	self.title = NULL;
-	self.description = NULL;
-	self.url = NULL;
-	self.date = NULL;
-	self.author = NULL;
-	self.articles = NULL;
-	self.uid = NULL;
-	self.language = NULL;
-	self.copyright = NULL;
-	self.categories = NULL;
-	self.generator = NULL;
-	self.iconUrl = NULL;
-	self.cloudService = NULL;
-	[super dealloc];
-}
 
 @end
 
diff --git a/RSSParser.h b/RSSParser.h
index 5e4a871..05328a9 100755
--- a/RSSParser.h
+++ b/RSSParser.h
@@ -14,18 +14,18 @@
 @protocol RSSParserDelegate;
 
 
-@interface RSSParser: NSObject {
+@interface RSSParser: NSObject <NSXMLParserDelegate> {
 	NSString *url;
 	NSXMLParser *xmlParser;
 	NSMutableArray *tagStack;
 	NSMutableString *tagPath;
 	RSSFeed *feed;
 	RSSEntry *entry;
-	id <RSSParserDelegate> delegate;
+	id <RSSParserDelegate> __weak delegate;
 }
 
-@property (nonatomic, assign) id <RSSParserDelegate> delegate;
-@property (nonatomic, retain) NSString *url;
+@property (nonatomic, weak) id <RSSParserDelegate> delegate;
+@property (nonatomic, strong) NSString *url;
 @property (nonatomic, assign) BOOL synchronous;
 
 - (id) initWithUrl:(NSString *)theUrl synchronous:(BOOL)sync;
diff --git a/RSSParser.m b/RSSParser.m
index 9ba2105..defbc1e 100755
--- a/RSSParser.m
+++ b/RSSParser.m
@@ -23,7 +23,6 @@ - (id) initWithUrl:(NSString *)theUrl synchronous:(BOOL)sync {
 	if (self.synchronous) {
 		NSURL *contentUrl = [[NSURL alloc] initWithString:self.url];
 		xmlParser = [[NSXMLParser alloc] initWithContentsOfURL:contentUrl];
-		[contentUrl release];
 		[xmlParser setDelegate:self];
 	}
 	return self;
@@ -41,9 +40,6 @@ - (id) init {
 
 - (void) dealloc {
 	[xmlParser setDelegate:NULL];
-	[xmlParser release];
-	self.url = NULL;
-	[super dealloc];
 }
 
 // self
@@ -52,7 +48,6 @@ - (void) parse {
 	if (!self.synchronous) {
 		NSURL *contentUrl = [[NSURL alloc] initWithString:self.url];
 		xmlParser = [[NSXMLParser alloc] initWithContentsOfURL:contentUrl];
-		[contentUrl release];
 		[xmlParser setDelegate:self];
 	}
 	[xmlParser parse];
@@ -67,18 +62,12 @@ - (void) parserDidStartDocument:(NSXMLParser *)parser {
 }
 
 - (void) parserDidEndDocument:(NSXMLParser *)parser {
-	[tagStack release];
-	[tagPath release];
 	if ([delegate respondsToSelector:@selector(rssParser:parsedFeed:)]) {
 		[delegate rssParser:self parsedFeed:feed];
 	}
-	[feed release];
 }
 
 - (void) parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)error {
-	[tagStack release];
-	[tagPath release];
-	[feed release];
 	if ([delegate respondsToSelector:@selector(rssParser:errorOccurred:)]) {
 		[delegate rssParser:self errorOccurred:error];
 	}
@@ -100,9 +89,7 @@ - (void) parser:(NSXMLParser *)parser didStartElement:(NSString *)element namesp
 	[context setObject:attributes forKey:@"attributes"];
 	NSMutableString *text = [[NSMutableString alloc] init];
 	[context setObject:text forKey:@"text"];
-	[text release];
 	[tagStack addObject:context];
-	[context release];
 	[tagPath appendPathComponent:element];
 }
 
@@ -155,7 +142,6 @@ - (void) parser:(NSXMLParser *)parser didEndElement:(NSString *)element namespac
 		cloudService.procedure = [attributes objectForKey:@"registerProcedure"];
 		cloudService.protocol = [attributes objectForKey:@"protocol"];
 		feed.cloudService = cloudService;
-		[cloudService release];
 	} else if ([tagPath isEqualToString:@"/rss/channel/lastBuildDate"] || [tagPath isEqualToString:@"/feed/updated"]) {
 		feed.date = text;
 	} else if ([tagPath isEqualToString:@"/rss/channel/managingEditor"]) {
@@ -200,7 +186,6 @@ - (void) parser:(NSXMLParser *)parser didEndElement:(NSString *)element namespac
 		media.length = [[attributes objectForKey:@"length"] intValue];
 		media.type = [attributes objectForKey:@"type"];
 		entry.attachedMedia = media;
-		[media release];
 	} else if ([tagPath isEqualToString:@"/rss/channel/item/guid"] || [tagPath isEqualToString:@"/feed/entry/id"]) {
 		entry.uid = text;
 	} else if ([tagPath isEqualToString:@"/rss/channel/item/pubDate"] || [tagPath isEqualToString:@"/feed/entry/updated"]) {
@@ -209,7 +194,6 @@ - (void) parser:(NSXMLParser *)parser didEndElement:(NSString *)element namespac
 		entry.copyright = text;
 	} else if ([tagPath isEqualToString:@"/rss/channel/item"] || [tagPath isEqualToString:@"/feed/entry"]) {
 		[feed.articles addObject:entry];
-		[entry release];
 	}
 	[tagStack removeLastObject];
 	[tagPath deleteLastPathComponent];
@@ -226,7 +210,6 @@ - (void) parser:(NSXMLParser *)parser foundCDATA:(NSData *)data {
 	NSMutableDictionary *context = [tagStack lastObject];
 	NSMutableString *text = [context objectForKey:@"text"];
 	[text appendString:string];
-	[string release];
 }
 
 @end