diff --git a/cmake/Dependencies.cmake b/cmake/Dependencies.cmake
index beba6af4442..0e256292d9d 100644
--- a/cmake/Dependencies.cmake
+++ b/cmake/Dependencies.cmake
@@ -1247,72 +1247,6 @@ if (NOT INTERN_BUILD_MOBILE)
     add_compile_options(-DUSE_AVX2)
   ENDIF()
 
-  CHECK_C_SOURCE_RUNS("
-  #include <stdatomic.h>
-  // ATOMIC_INT_LOCK_FREE is flaky on some older gcc versions
-  // so if this define is not usable a preprocessor definition
-  // we fail this check and fall back to GCC atomics
-  #if ATOMIC_INT_LOCK_FREE == 2
-  #define TH_ATOMIC_IPC_REFCOUNT 1
-  #endif
-  int main()
-  {
-    int a;
-    int oa;
-    atomic_store(&a, 1);
-    atomic_fetch_add(&a, 1);
-    oa = atomic_load(&a);
-    if(!atomic_compare_exchange_strong(&a, &oa, 3))
-      return -1;
-    return 0;
-  }
-  " HAS_C11_ATOMICS)
-
-  IF (NOT HAS_C11_ATOMICS)
-    CHECK_C_SOURCE_RUNS("
-  #include <intrin.h>
-  int main()
-  {
-    long a;
-    _InterlockedExchange(&a, 1);
-    _InterlockedExchangeAdd(&a, 1);
-    if(_InterlockedCompareExchange(&a, 3, 2) != 2)
-      return -1;
-    return 0;
-  }
-  " HAS_MSC_ATOMICS)
-
-    CHECK_C_SOURCE_RUNS("
-  int main()
-  {
-    int a;
-    __sync_lock_test_and_set(&a, 1);
-    __sync_fetch_and_add(&a, 1);
-    if(!__sync_bool_compare_and_swap(&a, 2, 3))
-      return -1;
-    return 0;
-  }
-  " HAS_GCC_ATOMICS)
-  ENDIF()
-
-  IF (HAS_C11_ATOMICS)
-    ADD_DEFINITIONS(-DUSE_C11_ATOMICS=1)
-    MESSAGE(STATUS "Atomics: using C11 intrinsics")
-  ELSEIF (HAS_MSC_ATOMICS)
-    ADD_DEFINITIONS(-DUSE_MSC_ATOMICS=1)
-    MESSAGE(STATUS "Atomics: using MSVC intrinsics")
-  ELSEIF (HAS_GCC_ATOMICS)
-    ADD_DEFINITIONS(-DUSE_GCC_ATOMICS=1)
-      MESSAGE(STATUS "Atomics: using GCC intrinsics")
-  ELSE()
-    SET(CMAKE_THREAD_PREFER_PTHREAD TRUE)
-    FIND_PACKAGE(Threads)
-    IF(THREADS_FOUND)
-      ADD_DEFINITIONS(-DUSE_PTHREAD_ATOMICS=1)
-      MESSAGE(STATUS "Atomics: using pthread")
-    ENDIF()
-  ENDIF()
-
   IF (WIN32 AND NOT CYGWIN)
     SET(BLAS_INSTALL_LIBRARIES "OFF"
       CACHE BOOL "Copy the required BLAS DLLs into the TH install dirs")