diff --git a/package/samplers/whale_optimization/README.md b/package/samplers/whale_optimization/README.md
index dda494d8..d339b564 100644
--- a/package/samplers/whale_optimization/README.md
+++ b/package/samplers/whale_optimization/README.md
@@ -18,8 +18,6 @@ import matplotlib.pyplot as plt
 import optuna
 import optunahub
 
-from package.samplers.whale_optimization.whale_optimization import WhaleOptimizationSampler
-
 
 WhaleOptimizationSampler = optunahub.load_module(
     "samplers/whale_optimization"