diff --git a/project_euler/problem_074/sol1.py b/project_euler/problem_074/sol1.py
index 5e6aff6f5..38d4e1439 100644
--- a/project_euler/problem_074/sol1.py
+++ b/project_euler/problem_074/sol1.py
@@ -51,7 +51,6 @@ CHAIN_LENGTH_CACHE = {
     871: 2,
     45361: 2,
     872: 2,
-    45361: 2,
 }