diff --git a/cluster-autoscaler/config/autoscaling_options.go b/cluster-autoscaler/config/autoscaling_options.go
index f2532a81a5cb..585cdc1d636b 100644
--- a/cluster-autoscaler/config/autoscaling_options.go
+++ b/cluster-autoscaler/config/autoscaling_options.go
@@ -121,8 +121,6 @@ type AutoscalingOptions struct {
 	GRPCExpanderCert string
 	// GRPCExpanderURL is the url of the gRPC server when using the gRPC expander
 	GRPCExpanderURL string
-	// IncludeSimilarNodegroupsInExpanderOptions is whether CA will include similar nodegroups in its request to the gRPC expander
-	IncludeSimilarNodegroupsInExpanderOptions bool
 	// IgnoreMirrorPodsUtilization is whether CA will ignore Mirror pods when calculating resource utilization for scaling down
 	IgnoreMirrorPodsUtilization bool
 	// MaxGracefulTerminationSec is maximum number of seconds scale down waits for pods to terminate before