diff --git a/utils/application_snapshot.gni b/utils/application_snapshot.gni
index dd990c86a0f..92c1921f931 100644
--- a/utils/application_snapshot.gni
+++ b/utils/application_snapshot.gni
@@ -115,9 +115,6 @@ template("_application_snapshot") {
       "--no-link-platform",
       "--output=" + rebase_path(output),
     ]
-    if (use_nnbd) {
-      args += [ "--enable-experiment=non-nullable" ]
-    }
     if (dart_platform_bytecode) {
       args += [
         "--gen-bytecode",
@@ -150,10 +147,6 @@ template("_application_snapshot") {
                 "--snapshot-depfile=$abs_depfile",
               ] + snapshot_vm_args
 
-    if (use_nnbd) {
-      vm_args += [ "--enable-experiment=non-nullable" ]
-    }
-
     if (dart_snapshot_kind == "kernel") {
       vm_args += [ "--snapshot-kind=kernel" ]
       assert(training_args != "", "Ignoring unused argument")
diff --git a/utils/kernel-service/BUILD.gn b/utils/kernel-service/BUILD.gn
index e25fb852026..fd637490ba6 100644
--- a/utils/kernel-service/BUILD.gn
+++ b/utils/kernel-service/BUILD.gn
@@ -115,9 +115,6 @@ template("kernel_service_dill") {
           "--no-embed-sources",
           "--output=" + rebase_path(output),
         ]
-    if (use_nnbd) {
-      args += [ "--enable-experiment=non-nullable" ]
-    }
     args += [ scheme + ":///pkg/vm/bin/kernel_service.dart" ]
     if (dart_platform_bytecode) {
       args += [