diff --git a/AsyncDisplayKit/ASMapNode.mm b/AsyncDisplayKit/ASMapNode.mm
index c44b0b0c78..2454a13bca 100644
--- a/AsyncDisplayKit/ASMapNode.mm
+++ b/AsyncDisplayKit/ASMapNode.mm
@@ -209,7 +209,6 @@
 
 - (void)setUpSnapshotter
 {
-  ASDisplayNodeAssert(!CGSizeEqualToSize(CGSizeZero, self.calculatedSize), @"self.calculatedSize can not be zero. Make sure that you are setting a preferredFrameSize or wrapping ASMapNode in a ASRatioLayoutSpec or similar.");
   _snapshotter = [[MKMapSnapshotter alloc] initWithOptions:self.options];
 }