diff --git a/src/Nethermind/Nethermind.Synchronization.Test/ParallelSync/MultiSyncModeSelectorFastSyncTests.cs b/src/Nethermind/Nethermind.Synchronization.Test/ParallelSync/MultiSyncModeSelectorFastSyncTests.cs
index 9a81e2b20fb..8e677c9e2db 100644
--- a/src/Nethermind/Nethermind.Synchronization.Test/ParallelSync/MultiSyncModeSelectorFastSyncTests.cs
+++ b/src/Nethermind/Nethermind.Synchronization.Test/ParallelSync/MultiSyncModeSelectorFastSyncTests.cs
@@ -675,7 +675,6 @@ public void Changed_event_no_longer_gets_blocked_when_invoking_delegates()
             {
                 FastSyncCatchUpHeightDelta = 2,
                 FastSync = true,
-                FastBlocks = true
             };
 
             TotalDifficultyBetterPeerStrategy bestPeerStrategy = new(LimboLogs.Instance);
diff --git a/src/Nethermind/Nethermind.Synchronization.Test/SyncReportTest.cs b/src/Nethermind/Nethermind.Synchronization.Test/SyncReportTest.cs
index d9d9fa9ae21..fb160fea9ae 100644
--- a/src/Nethermind/Nethermind.Synchronization.Test/SyncReportTest.cs
+++ b/src/Nethermind/Nethermind.Synchronization.Test/SyncReportTest.cs
@@ -139,7 +139,6 @@ public void Ancient_bodies_and_receipts_are_not_reported_until_feed_finishes_Ini
 
             SyncConfig syncConfig = new()
             {
-                FastBlocks = true,
                 FastSync = true,
                 PivotNumber = "100",
             };