diff --git a/WYPopoverController/WYPopoverController.m b/WYPopoverController/WYPopoverController.m
index 34ea4862..0ca72cc2 100644
--- a/WYPopoverController/WYPopoverController.m
+++ b/WYPopoverController/WYPopoverController.m
@@ -2936,7 +2936,7 @@ - (CGSize)sizeForRect:(CGRect)aRect
 
 #pragma mark Inline functions
 
-static NSString* WYStringFromOrientation(NSInteger orientation) {
+__unused static NSString* WYStringFromOrientation(NSInteger orientation) {
     NSString *result = @"Unknown";
     
     switch (orientation) {