diff --git a/CMakeLists.txt b/CMakeLists.txt
index 846accc48e..d049887b19 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,7 @@ option(ENABLE_FLOAT_FFTW "Enable support to single precision FFTW library." OFF)
 option(USE_ROCM "Enable support to ROCm." OFF)
 option(USE_OPENMP "Enable OpenMP in ABACUS." ON)
 option(ENABLE_ASAN "Enable AddressSanitizer" OFF)
-option(BUILD_TESTING "Build ABACUS unit tests" ON)
+option(BUILD_TESTING "Build ABACUS unit tests" OFF)
 option(INFO "Enable gathering of math library information" OFF)
 option(ENABLE_COVERAGE "Enable coverage build." OFF)
 option(ENABLE_LIBRI "Enable EXX with LibRI." OFF)