diff --git a/.github/workflows/scripts/ti_build/compiler.py b/.github/workflows/scripts/ti_build/compiler.py
index 4c3b66dc15f60..4e97a2f27bdf2 100644
--- a/.github/workflows/scripts/ti_build/compiler.py
+++ b/.github/workflows/scripts/ti_build/compiler.py
@@ -25,7 +25,7 @@ def setup_clang(as_compiler=True) -> None:
     """
     u = platform.uname()
     if u.system in ("Linux", "Darwin"):
-        for v in ("", "-15", "-14", "-13", "-12", "-11", "-10"):
+        for v in ("", "-14", "-13", "-12", "-11", "-10"):
             clang = shutil.which(f"clang{v}")
             if clang is not None:
                 clangpp = shutil.which(f"clang++{v}")
@@ -36,8 +36,8 @@ def setup_clang(as_compiler=True) -> None:
             return
 
     elif (u.system, u.machine) == ("Windows", "AMD64"):
-        out = get_cache_home() / "clang-15-v2"
-        url = "https://github.com/taichi-dev/taichi_assets/releases/download/llvm15/clang-15.0.0-win-complete.zip"
+        out = get_cache_home() / "clang-14-v2"
+        url = "https://github.com/taichi-dev/taichi_assets/releases/download/llvm15/clang-14.0.6-win-complete.zip"
         download_dep(url, out, force=True)
         clang = str(out / "bin" / "clang++.exe").replace("\\", "\\\\")
         clangpp = clang
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b29755fbcad3c..086e831fcb95e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -197,10 +197,6 @@ if (TI_WITH_LLVM)
 
     check_clang_version()
 
-    if (${CLANG_VERSION_MAJOR} VERSION_GREATER ${CLANG_HIGHEST_VERSION})
-      message(FATAL_ERROR "${CLANG_EXECUTABLE} version: ${CLANG_VERSION}, required: <=${CLANG_HIGHEST_VERSION}. Consider passing -DCLANG_EXECUTABLE=/path/to/clang to cmake to use a specific clang.")
-    endif()
-
     add_subdirectory(taichi/runtime/llvm/runtime_module)
 endif()