diff --git a/lib/libc/Kconfig b/lib/libc/Kconfig
index ef547c2a680..7f2b3a59fb6 100644
--- a/lib/libc/Kconfig
+++ b/lib/libc/Kconfig
@@ -142,93 +142,7 @@ config NEWLIB_LIBC_HEAP_LISTENER
 
 endif # NEWLIB_LIBC
 
-if MINIMAL_LIBC
-
-config MINIMAL_LIBC_NON_REENTRANT_FUNCTIONS
-	bool "Non-reentrant functions"
-	default y if !USERSPACE
-	select NEED_LIBC_MEM_PARTITION
-	help
-	  Enable non-reentrant functions that make use of the globals; e.g.
-	  rand() and gmtime(). The globals must be put into a dedicated C
-	  library memory partition when CONFIG_USERSPACE=y, and enabling this
-	  option may require an additional memory protection region.
-
-config MINIMAL_LIBC_MALLOC
-	bool "Minimal libc malloc implementation"
-	default y
-	help
-	  Enable the minimal libc's implementation of malloc, free, and realloc.
-	  Disable if you wish to provide your own implementations of these functions.
-
-config MINIMAL_LIBC_MALLOC_ARENA_SIZE
-	int "Size of the minimal libc malloc arena"
-	default 0
-	depends on MINIMAL_LIBC_MALLOC
-	help
-	  Indicate the size in bytes of the memory arena used for
-	  minimal libc's malloc() implementation.
-
-config MINIMAL_LIBC_CALLOC
-	bool "Minimal libc trivial calloc implementation"
-	default y
-	help
-	  Enable the minimal libc's trivial implementation of calloc, which
-	  forwards to malloc and memset.
-
-config MINIMAL_LIBC_REALLOCARRAY
-	bool "Minimal libc trivial reallocarray implementation"
-	default y
-	help
-	  Enable the minimal libc's trivial implementation of reallocarray, which
-	  forwards to realloc.
-
-config MINIMAL_LIBC_LL_PRINTF
-	bool "Build with minimal libc long long printf" if !64BIT
-	default y if 64BIT
-	help
-	  Build with long long printf enabled. This will increase the size of
-	  the image.
-
-config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
-	bool "Use size optimized string functions"
-	default y if SIZE_OPTIMIZATIONS
-	help
-	  Enable smaller but potentially slower implementations of memcpy and
-	  memset. On the Cortex-M0+ this reduces the total code size by 120 bytes.
-
-config MINIMAL_LIBC_RAND
-	bool "Rand and srand functions"
-	help
-	  Enable rand_r() for the minimal libc.
-
-	  In order to make use of the non-reentrant rand() and srand(), it is
-	  necessary to set CONFIG_MINIMAL_LIBC_NON_REENTRANT_FUNCTIONS=y.
-
-config MINIMAL_LIBC_TIME
-	bool "Time functions"
-	default y
-	help
-	  Enable time() and gmtime_r() for the minimal libc.
-
-	  time() requires CONFIG_POSIX_CLOCK=y because it relies on the POSIX
-	  clock_gettime() function.
-
-	  In order to make use of the non-reentrant gmtime(), it is necessary
-	  to set CONFIG_MINIMAL_LIBC_NON_REENTRANT_FUNCTIONS=y.
-
-config MINIMAL_LIBC_STRING_ERROR_TABLE
-	bool "String error table for strerror() and strerror_r()"
-	help
-	  Select this option to ensure that streror(), strerror_r()
-	  produce strings corresponding to the descriptions in errno.h.
-
-	  The string error table can add ~2kiB to ROM. As such, it is
-	  disabled by default. In this case, strerror() and strerror_r()
-	  symbols are still present, but the functions produce an empty
-	  string.
-
-endif # MINIMAL_LIBC
+rsource "minimal/Kconfig"
 
 config STDOUT_CONSOLE
 	bool "Send stdout to console"
diff --git a/lib/libc/minimal/Kconfig b/lib/libc/minimal/Kconfig
new file mode 100644
index 00000000000..30e0f0385fe
--- /dev/null
+++ b/lib/libc/minimal/Kconfig
@@ -0,0 +1,90 @@
+# Copyright (c) 2016 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+if MINIMAL_LIBC
+
+config MINIMAL_LIBC_NON_REENTRANT_FUNCTIONS
+	bool "Non-reentrant functions"
+	default y if !USERSPACE
+	select NEED_LIBC_MEM_PARTITION
+	help
+	  Enable non-reentrant functions that make use of the globals; e.g.
+	  rand() and gmtime(). The globals must be put into a dedicated C
+	  library memory partition when CONFIG_USERSPACE=y, and enabling this
+	  option may require an additional memory protection region.
+
+config MINIMAL_LIBC_MALLOC
+	bool "Minimal libc malloc implementation"
+	default y
+	help
+	  Enable the minimal libc's implementation of malloc, free, and realloc.
+	  Disable if you wish to provide your own implementations of these functions.
+
+config MINIMAL_LIBC_MALLOC_ARENA_SIZE
+	int "Size of the minimal libc malloc arena"
+	default 0
+	depends on MINIMAL_LIBC_MALLOC
+	help
+	  Indicate the size in bytes of the memory arena used for
+	  minimal libc's malloc() implementation.
+
+config MINIMAL_LIBC_CALLOC
+	bool "Minimal libc trivial calloc implementation"
+	default y
+	help
+	  Enable the minimal libc's trivial implementation of calloc, which
+	  forwards to malloc and memset.
+
+config MINIMAL_LIBC_REALLOCARRAY
+	bool "Minimal libc trivial reallocarray implementation"
+	default y
+	help
+	  Enable the minimal libc's trivial implementation of reallocarray, which
+	  forwards to realloc.
+
+config MINIMAL_LIBC_LL_PRINTF
+	bool "Build with minimal libc long long printf" if !64BIT
+	default y if 64BIT
+	help
+	  Build with long long printf enabled. This will increase the size of
+	  the image.
+
+config MINIMAL_LIBC_OPTIMIZE_STRING_FOR_SIZE
+	bool "Use size optimized string functions"
+	default y if SIZE_OPTIMIZATIONS
+	help
+	  Enable smaller but potentially slower implementations of memcpy and
+	  memset. On the Cortex-M0+ this reduces the total code size by 120 bytes.
+
+config MINIMAL_LIBC_RAND
+	bool "Rand and srand functions"
+	help
+	  Enable rand_r() for the minimal libc.
+
+	  In order to make use of the non-reentrant rand() and srand(), it is
+	  necessary to set CONFIG_MINIMAL_LIBC_NON_REENTRANT_FUNCTIONS=y.
+
+config MINIMAL_LIBC_TIME
+	bool "Time functions"
+	default y
+	help
+	  Enable time() and gmtime_r() for the minimal libc.
+
+	  time() requires CONFIG_POSIX_CLOCK=y because it relies on the POSIX
+	  clock_gettime() function.
+
+	  In order to make use of the non-reentrant gmtime(), it is necessary
+	  to set CONFIG_MINIMAL_LIBC_NON_REENTRANT_FUNCTIONS=y.
+
+config MINIMAL_LIBC_STRING_ERROR_TABLE
+	bool "String error table for strerror() and strerror_r()"
+	help
+	  Select this option to ensure that streror(), strerror_r()
+	  produce strings corresponding to the descriptions in errno.h.
+
+	  The string error table can add ~2kiB to ROM. As such, it is
+	  disabled by default. In this case, strerror() and strerror_r()
+	  symbols are still present, but the functions produce an empty
+	  string.
+
+endif # MINIMAL_LIBC