diff --git a/mediapipe/tasks/ios/text/core/sources/MPPTextTaskRunner.h b/mediapipe/tasks/ios/text/core/sources/MPPTextTaskRunner.h
index a0db39958..e3df3de9d 100644
--- a/mediapipe/tasks/ios/text/core/sources/MPPTextTaskRunner.h
+++ b/mediapipe/tasks/ios/text/core/sources/MPPTextTaskRunner.h
@@ -34,6 +34,10 @@ NS_ASSUME_NONNULL_BEGIN
 - (instancetype)initWithCalculatorGraphConfig:(mediapipe::CalculatorGraphConfig)graphConfig
                                         error:(NSError **)error NS_DESIGNATED_INITIALIZER;
 
+- (instancetype)init NS_UNAVAILABLE;
+
++ (instancetype)new NS_UNAVAILABLE;
+
 @end
 
 NS_ASSUME_NONNULL_END