diff --git a/llvm-build/MakeLiblzma b/llvm-build/MakeLiblzma
index 681fa4e1304f3fd528d85639633c7e5fa1e2f5b4..157d73ae363737e6964c16f01f931a6729e25b3e 100644
--- a/llvm-build/MakeLiblzma
+++ b/llvm-build/MakeLiblzma
@@ -25,7 +25,7 @@ LDFLAGS := -shared -fuse-ld=lld -Wl,-z,relro,-z,now -Wl,-z,noexecstack
 TARGET := liblzma.so
 else
 ifeq ($(TARGET_TRIPLE),windows-x86_64)
-CFLAGS := --target=x86_64-pc-windows-gnu --sysroot=$(SYSROOT) -D_7ZIP_ST -Wall -Werror -Wno-empty-body -Wno-enum-conversion -Wno-logical-op-parentheses -Wno-self-assign -fPIC -fstack-protector-strong
+CFLAGS := --target=x86_64-pc-windows-gnu --sysroot=$(SYSROOT) -D_7ZIP_ST -Wall -Werror -Wno-empty-body -Wno-enum-conversion -Wno-logical-op-parentheses -Wno-self-assign -fPIC
 LDFLAGS := -shared -fuse-ld=lld --rtlib=compiler-rt -Wl,--out-implib=liblzma.dll.a
 TARGET := liblzma.dll
 TARGET_A := liblzma.dll.a
diff --git a/llvm-build/build.py b/llvm-build/build.py
index e7d073143120fea7203f9099647f532f8edc22d5..90c454453b99d9c256cce185fa64a3942245d4b4 100755
--- a/llvm-build/build.py
+++ b/llvm-build/build.py
@@ -1161,8 +1161,7 @@ class LlvmCore(BuildUtils):
                   '-Wl,--high-entropy-va']
         ldflags.extend(ldflag)
 
-        cflag = ['-fstack-protector-strong',
-                 '-stdlib=libc++',
+        cflag = ['-stdlib=libc++',
                  '--target=x86_64-pc-windows-gnu',
                  '-fdata-sections',
                  '-D_LARGEFILE_SOURCE',
@@ -2227,7 +2226,6 @@ class LlvmLibs(BuildUtils):
 
         cflags = ['--target=x86_64-pc-windows-gnu']
         cflags.extend(('-I', os.path.join(windows_sysroot, 'include')))
-        cflags.append('-fstack-protector-strong')
 
         ldflags = ['-fuse-ld=lld',
                   '--rtlib=compiler-rt']
diff --git a/llvm-build/python_builder.py b/llvm-build/python_builder.py
index 92190baac7b82016f8270e5577e99e463a30b2ec..e7f8e26c04db6b6630983ece8f11edd8ad431522 100755
--- a/llvm-build/python_builder.py
+++ b/llvm-build/python_builder.py
@@ -225,7 +225,6 @@ class MinGWPythonBuilder(PythonBuilder):
         cflags = [
             f'-target {self.target_platform}',
             f'--sysroot={self._mingw_install_dir}',
-            f'-fstack-protector-strong',
         ]
         return cflags