diff --git a/extras/test/CMakeLists.txt b/extras/test/CMakeLists.txt
index 0e680a94a..5269338c7 100644
--- a/extras/test/CMakeLists.txt
+++ b/extras/test/CMakeLists.txt
@@ -84,9 +84,10 @@ set(TEST_TARGET_SRCS
 
 add_compile_definitions(HOST)
 add_compile_options(-Wall -Wextra -Wpedantic -Werror)
+add_compile_options(-Wno-cast-function-type)
 
 set(CMAKE_C_FLAGS   ${CMAKE_C_FLAGS}   "--coverage")
-set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "--coverage")
+set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "--coverage -Wno-deprecated-copy")
 
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