diff --git a/java/lint.go b/java/lint.go
index c3d723b..91e22a4 100644
--- a/java/lint.go
+++ b/java/lint.go
@@ -319,12 +319,7 @@
 	cmd.FlagWithInput("@",
 		android.PathForSource(ctx, "build/soong/java/lint_defaults.txt"))
 
-	if l.compileSdkKind == android.SdkPublic {
-		cmd.FlagForEachArg("--error_check ", l.extraMainlineLintErrors)
-	} else {
-		// TODO(b/268261262): Remove this branch. We're demoting NewApi to a warning due to pre-existing issues that need to be fixed.
-		cmd.FlagForEachArg("--warning_check ", l.extraMainlineLintErrors)
-	}
+	cmd.FlagForEachArg("--error_check ", l.extraMainlineLintErrors)
 	cmd.FlagForEachArg("--disable_check ", l.properties.Lint.Disabled_checks)
 	cmd.FlagForEachArg("--warning_check ", l.properties.Lint.Warning_checks)
 	cmd.FlagForEachArg("--error_check ", l.properties.Lint.Error_checks)
diff --git a/java/lint_test.go b/java/lint_test.go
index b7e6aad..11c999c 100644
--- a/java/lint_test.go
+++ b/java/lint_test.go
@@ -91,9 +91,8 @@
 		t.Error("did not use the correct file for baseline")
 	}
 
-	if !strings.Contains(*sboxProto.Commands[0].Command, "--warning_check NewApi") {
-		// TODO(b/268261262): Change this to check for --error_check
-		t.Error("should check NewApi warnings")
+	if !strings.Contains(*sboxProto.Commands[0].Command, "--error_check NewApi") {
+		t.Error("should check NewApi errors")
 	}
 
 	if !strings.Contains(*sboxProto.Commands[0].Command, "--error_check SomeCheck") {