diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 4a1a2fad6b..23848e1ddb 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -52,7 +52,7 @@ if(CURL_BUILD_TESTING)
   target_link_libraries(curlu PRIVATE ${CURL_LIBS})
   # There is plenty of parallelism when building the testdeps target.
   # Override the curlu batch size with the maximum to optimize performance.
-  set_target_properties(curlu PROPERTIES UNITY_BUILD_BATCH_SIZE 0)
+  set_target_properties(curlu PROPERTIES UNITY_BUILD_BATCH_SIZE 0 C_CLANG_TIDY "")
 endif()
 
 ## Library definition
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bdf245ffa6..abeb2b095e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -96,6 +96,7 @@ add_executable(curlinfo EXCLUDE_FROM_ALL "curlinfo.c")
 add_library(curltool STATIC EXCLUDE_FROM_ALL ${CURL_CFILES} ${CURL_HFILES})
 target_compile_definitions(curltool PUBLIC "CURL_STATICLIB" "UNITTESTS")
 target_link_libraries(curltool PRIVATE ${CURL_LIBS})
+set_target_properties(curltool PROPERTIES C_CLANG_TIDY "")
 
 if(CURL_HAS_LTO)
   set_target_properties(${EXE_NAME} PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)