diff --git a/components/Starknet/modules/architecture_and_concepts/nav.adoc b/components/Starknet/modules/architecture_and_concepts/nav.adoc
index a9fa3652e8..f9b12184f8 100644
--- a/components/Starknet/modules/architecture_and_concepts/nav.adoc
+++ b/components/Starknet/modules/architecture_and_concepts/nav.adoc
@@ -31,8 +31,6 @@
 *** xref:Smart_Contracts/starknet-events.adoc[Events]
 *** xref:Smart_Contracts/contract-syntax.adoc[Migrating a contract from Cairo v1 to Cairo v2]
 *** xref:Smart_Contracts/cairo-and-sierra.adoc[Cairo and Sierra]
-*** xref:Smart_Contracts/system-calls-cairo1.adoc[System calls]
-
 *** xref:Smart_Contracts/serialization_of_Cairo_types.adoc[Serialization of Cairo types]
 *** xref:Smart_Contracts/system-calls-cairo1.adoc[System calls]
 *** xref:Smart_Contracts/execution_info.adoc[Execution information for the current block]