diff --git a/cmake/QtPublicTestHelpers.cmake b/cmake/QtPublicTestHelpers.cmake
index dc8fe5231be..0cfbfab4046 100644
--- a/cmake/QtPublicTestHelpers.cmake
+++ b/cmake/QtPublicTestHelpers.cmake
@@ -102,3 +102,7 @@ if(NOT result EQUAL 0)
 endif()"
     )
 endfunction()
+
+function(_qt_internal_test_batch_target_name out)
+    set(${out} "test_batch" PARENT_SCOPE)
+endfunction()
diff --git a/cmake/QtResourceHelpers.cmake b/cmake/QtResourceHelpers.cmake
index 8a3ea8babda..9ad9c682b83 100644
--- a/cmake/QtResourceHelpers.cmake
+++ b/cmake/QtResourceHelpers.cmake
@@ -7,7 +7,7 @@ function(qt_internal_add_resource target resourceName)
         if(NOT in_batch)
             message(FATAL_ERROR "Trying to add resource to a non-existing target \"${target}\".")
         endif()
-        qt_internal_test_batch_target_name(target)
+        _qt_internal_test_batch_target_name(target)
     endif()
 
     # Don't try to add resources when cross compiling, and the target is actually a host target
diff --git a/cmake/QtTargetHelpers.cmake b/cmake/QtTargetHelpers.cmake
index 4a51849c786..fefb614a725 100644
--- a/cmake/QtTargetHelpers.cmake
+++ b/cmake/QtTargetHelpers.cmake
@@ -9,7 +9,7 @@ function(qt_internal_extend_target target)
         if(NOT in_batch)
             message(FATAL_ERROR "Trying to extend a non-existing target \"${target}\".")
         endif()
-        qt_internal_test_batch_target_name(target)
+        _qt_internal_test_batch_target_name(target)
     endif()
 
     # Don't try to extend_target when cross compiling an imported host target (like a tool).
@@ -893,7 +893,7 @@ function(qt_internal_undefine_global_definition target)
         if(NOT ${in_batch})
             message(FATAL_ERROR "${target} is not a target.")
         endif()
-        qt_internal_test_batch_target_name(target)
+        _qt_internal_test_batch_target_name(target)
     endif()
 
     if("${ARGN}" STREQUAL "")
diff --git a/cmake/QtTestHelpers.cmake b/cmake/QtTestHelpers.cmake
index 6b90ea55554..8bd09dec46f 100644
--- a/cmake/QtTestHelpers.cmake
+++ b/cmake/QtTestHelpers.cmake
@@ -77,15 +77,11 @@ endfunction()
 
 function(qt_internal_add_test_dependencies target)
     if(QT_BUILD_TESTS_BATCHED)
-        qt_internal_test_batch_target_name(target)
+        _qt_internal_test_batch_target_name(target)
     endif()
     add_dependencies(${target} ${ARGN})
 endfunction()
 
-function(qt_internal_test_batch_target_name out)
-    set(${out} "test_batch" PARENT_SCOPE)
-endfunction()
-
 # Simple wrapper around qt_internal_add_executable for manual tests which insure that
 # the binary is built under ${CMAKE_CURRENT_BINARY_DIR} and never installed.
 # See qt_internal_add_executable() for more details.
@@ -267,7 +263,7 @@ function(qt_internal_add_test_to_batch batch_name name)
         arg "${optional_args}" "${single_value_args}" "${multi_value_args}" ${ARGN})
     qt_internal_prepare_test_target_flags(version_arg exceptions_text gui_text ${ARGN})
 
-    qt_internal_test_batch_target_name(target)
+    _qt_internal_test_batch_target_name(target)
 
     # Lazy-init the test batch
     if(NOT TARGET ${target})
@@ -705,7 +701,7 @@ for this function. Will be ignored")
 
     set(executable_name ${arg_NAME})
     if(QT_BUILD_TESTS_BATCHED)
-        qt_internal_test_batch_target_name(executable_name)
+        _qt_internal_test_batch_target_name(executable_name)
     endif()
     add_test(NAME "${arg_NAME}" COMMAND "${CMAKE_COMMAND}" "-P" "${arg_OUTPUT_FILE}"
                 WORKING_DIRECTORY "${arg_WORKING_DIRECTORY}")