diff --git a/Encodings/testsuite/CMakeLists.txt b/Encodings/testsuite/CMakeLists.txt
index d55c7a57e..e4216a220 100644
--- a/Encodings/testsuite/CMakeLists.txt
+++ b/Encodings/testsuite/CMakeLists.txt
@@ -20,9 +20,6 @@ if(ANDROID)
 			COMMAND ${CMAKE_COMMAND} -DANDROID_NDK=${ANDROID_NDK} "-DTEST_FILES=${CMAKE_CURRENT_SOURCE_DIR}/data;" -DLIBRARY_DIR=${CMAKE_BINARY_DIR}/lib -DUNITTEST=${CMAKE_BINARY_DIR}/bin/Encodings-testrunner -DTEST_PARAMETER=-all -P ${CMAKE_SOURCE_DIR}/cmake/ExecuteOnAndroid.cmake)
 else()
 	add_test(NAME Encodings WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} COMMAND Encodings-testrunner -all)
-	# The test is run in the build directory. So the test data is copied there too
-	add_custom_command(TARGET Encodings-testrunner POST_BUILD
-				   COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/data ${CMAKE_CURRENT_BINARY_DIR}/data )
 endif()
 #set_target_properties(Encodings-testrunner PROPERTIES COMPILE_FLAGS ${RELEASE_CXX_FLAGS} )
 target_link_libraries(Encodings-testrunner PUBLIC Poco::Encodings CppUnit)