diff --git a/bazel/external/llvm13.BUILD b/bazel/external/llvm13.BUILD
deleted file mode 100644
index 43dfe527d..000000000
--- a/bazel/external/llvm13.BUILD
+++ /dev/null
@@ -1,117 +0,0 @@
-load("@rules_foreign_cc//foreign_cc:defs.bzl", "cmake")
-
-licenses(["notice"])  # Apache 2
-
-package(default_visibility = ["//visibility:public"])
-
-filegroup(
-    name = "srcs",
-    srcs = glob(["**"]),
-)
-
-cmake(
-    name = "llvm_lib",
-    cache_entries = {
-        # Disable both: BUILD and INCLUDE, since some of the INCLUDE
-        # targets build code instead of only generating build files.
-        "LLVM_BUILD_BENCHMARKS": "off",
-        "LLVM_INCLUDE_BENCHMARKS": "off",
-        "LLVM_BUILD_DOCS": "off",
-        "LLVM_INCLUDE_DOCS": "off",
-        "LLVM_BUILD_EXAMPLES": "off",
-        "LLVM_INCLUDE_EXAMPLES": "off",
-        "LLVM_BUILD_RUNTIME": "off",
-        "LLVM_BUILD_RUNTIMES": "off",
-        "LLVM_INCLUDE_RUNTIMES": "off",
-        "LLVM_BUILD_TESTS": "off",
-        "LLVM_INCLUDE_TESTS": "off",
-        "LLVM_BUILD_TOOLS": "off",
-        "LLVM_INCLUDE_TOOLS": "off",
-        "LLVM_BUILD_UTILS": "off",
-        "LLVM_INCLUDE_UTILS": "off",
-        "LLVM_ENABLE_IDE": "off",
-        "LLVM_ENABLE_LIBEDIT": "off",
-        "LLVM_ENABLE_LIBXML2": "off",
-        "LLVM_ENABLE_TERMINFO": "off",
-        "LLVM_ENABLE_ZLIB": "off",
-        "LLVM_TARGETS_TO_BUILD": "X86",
-        "CMAKE_CXX_FLAGS": "-Wno-unused-command-line-argument",
-    },
-    generate_args = ["-GNinja"],
-    lib_source = ":srcs",
-    out_static_libs = [
-        "libLLVMWindowsManifest.a",
-        "libLLVMXRay.a",
-        "libLLVMLibDriver.a",
-        "libLLVMDlltoolDriver.a",
-        "libLLVMCoverage.a",
-        "libLLVMLineEditor.a",
-        "libLLVMX86Disassembler.a",
-        "libLLVMX86AsmParser.a",
-        "libLLVMX86CodeGen.a",
-        "libLLVMX86Desc.a",
-        "libLLVMX86Info.a",
-        "libLLVMOrcJIT.a",
-        "libLLVMMCJIT.a",
-        "libLLVMJITLink.a",
-        "libLLVMInterpreter.a",
-        "libLLVMExecutionEngine.a",
-        "libLLVMRuntimeDyld.a",
-        "libLLVMOrcTargetProcess.a",
-        "libLLVMOrcShared.a",
-        "libLLVMDWP.a",
-        "libLLVMSymbolize.a",
-        "libLLVMDebugInfoPDB.a",
-        "libLLVMDebugInfoGSYM.a",
-        "libLLVMOption.a",
-        "libLLVMObjectYAML.a",
-        "libLLVMMCA.a",
-        "libLLVMMCDisassembler.a",
-        "libLLVMLTO.a",
-        "libLLVMPasses.a",
-        "libLLVMCFGuard.a",
-        "libLLVMCoroutines.a",
-        "libLLVMObjCARCOpts.a",
-        "libLLVMipo.a",
-        "libLLVMVectorize.a",
-        "libLLVMLinker.a",
-        "libLLVMInstrumentation.a",
-        "libLLVMFrontendOpenMP.a",
-        "libLLVMFrontendOpenACC.a",
-        "libLLVMExtensions.a",
-        "libLLVMDWARFLinker.a",
-        "libLLVMGlobalISel.a",
-        "libLLVMMIRParser.a",
-        "libLLVMAsmPrinter.a",
-        "libLLVMDebugInfoMSF.a",
-        "libLLVMDebugInfoDWARF.a",
-        "libLLVMSelectionDAG.a",
-        "libLLVMCodeGen.a",
-        "libLLVMIRReader.a",
-        "libLLVMAsmParser.a",
-        "libLLVMInterfaceStub.a",
-        "libLLVMFileCheck.a",
-        "libLLVMFuzzMutate.a",
-        "libLLVMTarget.a",
-        "libLLVMScalarOpts.a",
-        "libLLVMInstCombine.a",
-        "libLLVMAggressiveInstCombine.a",
-        "libLLVMTransformUtils.a",
-        "libLLVMBitWriter.a",
-        "libLLVMAnalysis.a",
-        "libLLVMProfileData.a",
-        "libLLVMObject.a",
-        "libLLVMTextAPI.a",
-        "libLLVMMCParser.a",
-        "libLLVMMC.a",
-        "libLLVMDebugInfoCodeView.a",
-        "libLLVMBitReader.a",
-        "libLLVMCore.a",
-        "libLLVMRemarks.a",
-        "libLLVMBitstreamReader.a",
-        "libLLVMBinaryFormat.a",
-        "libLLVMTableGen.a",
-        "libLLVMSupport.a",
-        "libLLVMDemangle.a",
-    ],
-)
diff --git a/bazel/external/llvm13.patch b/bazel/external/llvm13.patch
deleted file mode 100644
index dbe1df125..000000000
--- a/bazel/external/llvm13.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-# Workaround for different linkers used in cmake()'s generate and build steps.
-# See: https://github.com/bazelbuild/rules_foreign_cc/issues/863
-
-diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
-index 0c3419390c27..352e9402d808 100644
---- a/cmake/modules/HandleLLVMOptions.cmake
-+++ b/cmake/modules/HandleLLVMOptions.cmake
-@@ -917,14 +917,6 @@ if (UNIX AND
-   append("-fdiagnostics-color" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
- endif()
- 
--# lld doesn't print colored diagnostics when invoked from Ninja
--if (UNIX AND CMAKE_GENERATOR STREQUAL "Ninja")
--  include(LLVMCheckLinkerFlag)
--  llvm_check_linker_flag(CXX "-Wl,--color-diagnostics" LINKER_SUPPORTS_COLOR_DIAGNOSTICS)
--  append_if(LINKER_SUPPORTS_COLOR_DIAGNOSTICS "-Wl,--color-diagnostics"
--    CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
--endif()
--
- # Add flags for add_dead_strip().
- # FIXME: With MSVS, consider compiling with /Gy and linking with /OPT:REF?
- # But MinSizeRel seems to add that automatically, so maybe disable these
diff --git a/bazel/external/wamr.BUILD b/bazel/external/wamr.BUILD
index 2945ef963..f25b9f074 100644
--- a/bazel/external/wamr.BUILD
+++ b/bazel/external/wamr.BUILD
@@ -12,7 +12,6 @@ filegroup(
 cmake(
     name = "wamr_lib",
     cache_entries = {
-        "LLVM_DIR": "$EXT_BUILD_DEPS/copy_llvm13/llvm/lib/cmake/llvm",
         "WAMR_BUILD_INTERP": "1",
         "WAMR_BUILD_FAST_INTERP": "1",
         "WAMR_BUILD_JIT": "0",
@@ -26,7 +25,4 @@ cmake(
     generate_args = ["-GNinja"],
     lib_source = ":srcs",
     out_static_libs = ["libvmlib.a"],
-    deps = [
-        "@llvm13//:llvm_lib",
-    ],
 )
diff --git a/bazel/repositories.bzl b/bazel/repositories.bzl
index e13202393..2970b6936 100644
--- a/bazel/repositories.bzl
+++ b/bazel/repositories.bzl
@@ -155,17 +155,6 @@ def proxy_wasm_cpp_host_repositories():
         actual = "@com_github_bytecodealliance_wasm_micro_runtime//:wamr_lib",
     )
 
-    maybe(
-        http_archive,
-        name = "llvm13",
-        build_file = "@proxy_wasm_cpp_host//bazel/external:llvm13.BUILD",
-        sha256 = "408d11708643ea826f519ff79761fcdfc12d641a2510229eec459e72f8163020",
-        strip_prefix = "llvm-13.0.0.src",
-        url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-13.0.0/llvm-13.0.0.src.tar.xz",
-        patches = ["@proxy_wasm_cpp_host//bazel/external:llvm13.patch"],
-        patch_args = ["-p1"],
-    )
-
     # Wasmtime with dependencies.
 
     maybe(