Index: src/OFDataArray.m
==================================================================
--- src/OFDataArray.m
+++ src/OFDataArray.m
@@ -395,12 +395,12 @@
 	}
 }
 
 - (void)removeLastItem
 {
-	if (count < 1)
-		@throw [OFOutOfRangeException exceptionWithClass: [self class]];
+	if (count == 0)
+		return;
 
 	count--;
 	@try {
 		data = [self resizeMemory: data
 				     size: itemSize
@@ -661,12 +661,12 @@
 
 - (void)removeLastItem
 {
 	size_t newSize, lastPageByte;
 
-	if (count < 1)
-		@throw [OFOutOfRangeException exceptionWithClass: [self class]];
+	if (count == 0)
+		return;
 
 	count--;
 	lastPageByte = of_pagesize - 1;
 	newSize = (count * itemSize + lastPageByte) & ~lastPageByte;
 

Index: src/OFMutableArray.m
==================================================================
--- src/OFMutableArray.m
+++ src/OFMutableArray.m
@@ -300,12 +300,14 @@
 
 - (void)removeLastObject
 {
 	size_t count = [self count];
 
-	if (count > 0)
-		[self removeObjectAtIndex: count - 1];
+	if (count == 0)
+		return;
+
+	[self removeObjectAtIndex: count - 1];
 }
 
 - (void)removeAllObjects
 {
 	[self removeObjectsInRange: of_range(0, [self count])];

Index: src/OFMutableArray_adjacent.m
==================================================================
--- src/OFMutableArray_adjacent.m
+++ src/OFMutableArray_adjacent.m
@@ -195,11 +195,17 @@
 	}
 }
 
 - (void)removeLastObject
 {
-	id object = [self objectAtIndex: [array count] - 1];
+	size_t count = [array count];
+	id object;
+
+	if (count == 0)
+		return;
+
+	object = [self objectAtIndex: count - 1];
 	[array removeLastItem];
 	[object release];
 
 	mutations++;
 }