diff --git a/data/topics.yaml b/data/topics.yaml
index 63fbf515..d1e2f98b 100644
--- a/data/topics.yaml
+++ b/data/topics.yaml
@@ -4,7 +4,6 @@
   lessons:
     - essence-of-calculus
     - derivatives
-    - derivative-formulas-geometrically
     - derivatives-power-rule
     - derivatives-trig-functions
     - chain-rule-and-product-rule