diff --git a/cmake/workaround_thread.cmake b/cmake/workaround_thread.cmake
deleted file mode 100644
index 1837068..0000000
--- a/cmake/workaround_thread.cmake
+++ /dev/null
@@ -1,26 +0,0 @@
-# FindThreads improperly passes -pthread to nvcc instead of e.g. -Xcompiler=-pthread.
-# (see: https://gitlab.kitware.com/cmake/cmake/issues/18008)
-# Fixed in CMake 3.13.0.
-
-function(_fix_threads_flags)
-    if(${CMAKE_VERSION} VERSION_LESS "3.13.0")
-        if(TARGET Threads::Threads)
-            get_property(_languages GLOBAL PROPERTY ENABLED_LANGUAGES)
-            if("CUDA" IN_LIST _languages)
-                get_property(_threads_options TARGET Threads::Threads PROPERTY INTERFACE_COMPILE_OPTIONS)
-                if(_threads_options STREQUAL "-pthread")
-                    set_property(TARGET Threads::Threads
-                        PROPERTY INTERFACE_COMPILE_OPTIONS
-                        $<$<COMPILE_LANGUAGE:CUDA>:-Xcompiler=-pthread>
-                        $<$<NOT:$<COMPILE_LANGUAGE:CUDA>>:-pthread>)
-                endif()
-                get_property(_threads_options_linker TARGET Threads::Threads PROPERTY INTERFACE_LINK_LIBRARIES)
-                if(_threads_options_linker STREQUAL "-pthread")
-                    set_property(TARGET Threads::Threads
-                        PROPERTY INTERFACE_LINK_LIBRARIES -lpthread)
-                endif()
-            endif()
-        endif()
-    endif()
-endfunction()
-
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 3327abb..c22a244 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -18,9 +18,6 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL Clang AND DEFINED CMAKE_CUDA_COMPILER AND
   set(CUDA_AVAILABLE OFF)
 endif()
 
-include(${PROJECT_SOURCE_DIR}/cmake/workaround_thread.cmake)
-_fix_threads_flags()
-
 function(compile_test name)
     add_executable(${name} ${name}.cpp)
     target_link_libraries(${name} PRIVATE gtest_main)
diff --git a/tests/regression/array/bindgen_regression_array_cu.f90 b/tests/regression/array/bindgen_regression_array_cu.f90
index bf7c222..9de241d 100644
--- a/tests/regression/array/bindgen_regression_array_cu.f90
+++ b/tests/regression/array/bindgen_regression_array_cu.f90
@@ -1,5 +1,6 @@
 ! This file is generated!
 module bindgen_regression_array_cu
+use iso_c_binding
 implicit none
   interface