diff --git a/src/corelib/kernel/qjnitypes_impl.h b/src/corelib/kernel/qjnitypes_impl.h
index 5f87c97e5b..feab8c4781 100644
--- a/src/corelib/kernel/qjnitypes_impl.h
+++ b/src/corelib/kernel/qjnitypes_impl.h
@@ -131,10 +131,6 @@ struct CTString
     }
 };
 
-// compatibility alias until submodules are ported
-template<size_t N_WITH_NULL, typename BaseType = char>
-using String = CTString<N_WITH_NULL, BaseType>;
-
 // Helper types that allow us to disable variadic overloads that would conflict
 // with overloads that take a const char*.
 template<typename T, size_t N = 0> struct IsStringType : std::false_type {};
diff --git a/tests/auto/corelib/kernel/qjnitypes/tst_qjnitypes.cpp b/tests/auto/corelib/kernel/qjnitypes/tst_qjnitypes.cpp
index cbffb24ff8..856368355c 100644
--- a/tests/auto/corelib/kernel/qjnitypes/tst_qjnitypes.cpp
+++ b/tests/auto/corelib/kernel/qjnitypes/tst_qjnitypes.cpp
@@ -56,6 +56,12 @@ static_assert(QtJniTypes::Traits<QtJniTypes::JavaType>::signature() == "Lorg/qtp
 Q_DECLARE_JNI_TYPE(ArrayType, "[Lorg/qtproject/qt/ArrayType;")
 static_assert(QtJniTypes::Traits<QtJniTypes::ArrayType>::signature() == "[Lorg/qtproject/qt/ArrayType;");
 
+Q_DECLARE_JNI_CLASS(String, "java/lang/String");
+static_assert(QtJniTypes::Traits<jstring>::className() == "java/lang/String");
+static_assert(QtJniTypes::Traits<QtJniTypes::String>::className() == "java/lang/String");
+static_assert(QtJniTypes::Traits<QtJniTypes::String>::signature() == "Ljava/lang/String;");
+static_assert(QtJniTypes::Traits<QtJniTypes::String[]>::signature() == "[Ljava/lang/String;");
+
 Q_DECLARE_JNI_CLASS(QtTextToSpeech, "org/qtproject/qt/android/speech/QtTextToSpeech")
 static_assert(QtJniTypes::Traits<QtJniTypes::QtTextToSpeech>::className() == "org/qtproject/qt/android/speech/QtTextToSpeech");