diff --git a/tests/unit/CMakeLists.txt b/tests/unit/CMakeLists.txt
index 088c298b8..305b13bbb 100644
--- a/tests/unit/CMakeLists.txt
+++ b/tests/unit/CMakeLists.txt
@@ -52,7 +52,6 @@ FetchContent_MakeAvailable(cmocka)
 add_compile_definitions(TEST DEBUG=0 SKIP_FOR_CMOCKA)
 
 include_directories(../../src/)
-include_directories(../../src_plugin_sdk)
 
 # add cmocka tests
 add_executable(test_demo tests/demo.c)