diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca67c48..45e5e0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 4.0.2
+* Minor change: remove no needed code related to unsupported iOS versions (iOS < 7).
+
 # 4.0.1
 * Made `isCurrentlyOnScreen` public.
 
diff --git a/LTHPasscodeViewController/LTHPasscodeViewController.m b/LTHPasscodeViewController/LTHPasscodeViewController.m
index 050d020..c18adb9 100755
--- a/LTHPasscodeViewController/LTHPasscodeViewController.m
+++ b/LTHPasscodeViewController/LTHPasscodeViewController.m
@@ -12,12 +12,7 @@
 
 #define LTHiPad ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
 
-#if __IPHONE_OS_VERSION_MIN_REQUIRED >= 70000
 #define LTHFailedAttemptLabelHeight [_failedAttemptLabel.text sizeWithAttributes: @{NSFontAttributeName : _labelFont}].height
-#else
-// Thanks to Kent Nguyen - https://github.com/kentnguyen
-#define LTHFailedAttemptLabelHeight [_failedAttemptLabel.text sizeWithFont:_labelFont].height
-#endif
 
 #ifndef LTHPasscodeViewControllerStrings
 #define LTHPasscodeViewControllerStrings(key) \