diff --git a/cmake/toolchain/arcmwdt/Kconfig.defconfig b/cmake/toolchain/arcmwdt/Kconfig.defconfig
new file mode 100644
index 00000000000..78164376629
--- /dev/null
+++ b/cmake/toolchain/arcmwdt/Kconfig.defconfig
@@ -0,0 +1,5 @@
+# Copyright (c) 2024 Synopsys
+# SPDX-License-Identifier: Apache-2.0
+
+config PICOLIBC_SUPPORTED
+	default n