diff --git a/build.sh b/build.sh
index 46a9de1..f24bc3c 100644
--- a/build.sh
+++ b/build.sh
@@ -3,15 +3,7 @@ cd "$(dirname "$0")"
 if [ ! -d build ]; then
     mkdir build
 fi
-pushd build
-clang ../src/testing/testing_main.c -g
-popd
-
-# if [ ! -f build/build_tool.exe ]; then
-#     echo build_tool rebuild
-#     cd build
-#     clang ../src/meta/build_tool.c -ldl -lbacktrace -o build_tool.exe -g -fdiagnostics-absolute-paths -Wno-single-bit-bitfield-constant-conversion -Wno-unsequenced
-#     cd ..
-# fi
-
-# ./build/build_tool.exe clang ../build_file.c -o build_file.exe -ldl -lm -lbacktrace -g -Wall -Wextra -Wno-missing-braces -Wno-missing-field-initializers -Wno-single-bit-bitfield-constant-conversion -fdiagnostics-absolute-paths -Wno-writable-strings -Wno-unsequenced
+cd build
+clang ../src/testing/testing_main.c -o testing_main -I../src -g -Wall -Wextra -Werror -fdiagnostics-absolute-paths -Wno-single-bit-bitfield-constant-conversion -Wno-unsequenced -Wno-missing-field-initializers -Wno-missing-braces -ldl -lm -lbacktrace
+./testing_main
+cd ..
diff --git a/src/testing/testing_main.c b/src/testing/testing_main.c
index 733fbdd..81b4191 100644
--- a/src/testing/testing_main.c
+++ b/src/testing/testing_main.c
@@ -176,6 +176,5 @@ int main() {
     os_core_init();
     test_s8();
     os_test();
-    debugf("Testing OK");
     return 0;
 }