diff --git a/src/SPC/builder/Extension.php b/src/SPC/builder/Extension.php
index cb590167..0570159f 100644
--- a/src/SPC/builder/Extension.php
+++ b/src/SPC/builder/Extension.php
@@ -430,7 +430,6 @@ class Extension
         }
 
         $has_avx512 = str_contains($this->builder->arch_c_flags ?? '', '-mavx512') ||
-            str_contains($this->builder->arch_c_flags ?? '', '-march=x86-64-v3') ||
             str_contains($this->arch_c_flags ?? '', '-march=x86-64-v4') ||
             ToolchainManager::getToolchainClass() !== ZigToolchain::class;
 
@@ -440,7 +439,7 @@ class Extension
             ->exec(
                 './configure ' . $this->getUnixConfigureArg(true) .
                 ' --with-php-config=' . BUILD_BIN_PATH . '/php-config ' .
-                '--enable-shared --disable-static' . (!$has_avx512 ? ' php_cv_have_avx512=no ' : '')
+                '--enable-shared --disable-static' . (!$has_avx512 ? ' php_cv_have_avx512=no php_cv_have_avx512vbmi=no' : '')
             );
 
         if ($this->patchBeforeSharedMake()) {
diff --git a/src/SPC/builder/linux/LinuxBuilder.php b/src/SPC/builder/linux/LinuxBuilder.php
index 0eaf86a9..d9e0b805 100644
--- a/src/SPC/builder/linux/LinuxBuilder.php
+++ b/src/SPC/builder/linux/LinuxBuilder.php
@@ -106,7 +106,6 @@ class LinuxBuilder extends UnixBuilderBase
         }
 
         $has_avx512 = str_contains($this->arch_c_flags, '-mavx512') ||
-            str_contains($this->arch_c_flags, '-march=x86-64-v3') ||
             str_contains($this->arch_c_flags, '-march=x86-64-v4') ||
             ToolchainManager::getToolchainClass() !== ZigToolchain::class;
 
@@ -123,7 +122,7 @@ class LinuxBuilder extends UnixBuilderBase
                 $json_74 .
                 $zts .
                 $maxExecutionTimers .
-                (!$has_avx512 ? 'php_cv_have_avx512=no ' : '') .
+                (!$has_avx512 ? 'php_cv_have_avx512=no php_cv_have_avx512vbmi ' : '') .
                 $this->makeStaticExtensionArgs() . ' '
         ));