diff --git a/examples/src/main/kotlin/kscience/kmath/structures/ComplexND.kt b/examples/src/main/kotlin/kscience/kmath/structures/ComplexND.kt
index 7dd725f0e..b6cac4b27 100644
--- a/examples/src/main/kotlin/kscience/kmath/structures/ComplexND.kt
+++ b/examples/src/main/kotlin/kscience/kmath/structures/ComplexND.kt
@@ -1,3 +1,5 @@
+@file:Suppress("unused")
+
 package kscience.kmath.structures
 
 import kscience.kmath.linear.transpose