diff --git a/algorithms-miscellaneous-3/README.md b/algorithms-miscellaneous-3/README.md
index f299492d9c..4dd4b66ff2 100644
--- a/algorithms-miscellaneous-3/README.md
+++ b/algorithms-miscellaneous-3/README.md
@@ -4,4 +4,3 @@
 - [Implementing Simple State Machines with Java Enums](https://www.baeldung.com/java-enum-simple-state-machine)
 - [Converting Between Roman and Arabic Numerals in Java](http://www.baeldung.com/java-convert-roman-arabic)
 - [Practical Java Examples of the Big O Notation](http://www.baeldung.com/java-algorithm-complexity)
-- [An Introduction to the Theory of Big-O Notation](http://www.baeldung.com/big-o-notation)
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