diff --git a/components/esp_libc/test_apps/newlib/sdkconfig.ci.nano_psram_esp32 b/components/esp_libc/test_apps/newlib/sdkconfig.ci.nano_psram_esp32
index 7ee21fd72c6..1a152e7e6f4 100644
--- a/components/esp_libc/test_apps/newlib/sdkconfig.ci.nano_psram_esp32
+++ b/components/esp_libc/test_apps/newlib/sdkconfig.ci.nano_psram_esp32
@@ -1,4 +1,5 @@
 CONFIG_IDF_TARGET="esp32"
+CONFIG_LIBC_NEWLIB=y
 CONFIG_LIBC_NEWLIB_NANO_FORMAT=y
 CONFIG_SPIRAM=y
 CONFIG_SPIRAM_CACHE_WORKAROUND=y
diff --git a/components/esp_libc/test_apps/newlib/sdkconfig.ci.newlib b/components/esp_libc/test_apps/newlib/sdkconfig.ci.newlib
new file mode 100644
index 00000000000..c76fd80b46b
--- /dev/null
+++ b/components/esp_libc/test_apps/newlib/sdkconfig.ci.newlib
@@ -0,0 +1 @@
+CONFIG_LIBC_NEWLIB=y
diff --git a/components/esp_libc/test_apps/newlib/sdkconfig.ci.picolibc b/components/esp_libc/test_apps/newlib/sdkconfig.ci.picolibc
deleted file mode 100644
index 71a154be0ef..00000000000
--- a/components/esp_libc/test_apps/newlib/sdkconfig.ci.picolibc
+++ /dev/null
@@ -1,2 +0,0 @@
-CONFIG_IDF_EXPERIMENTAL_FEATURES=y
-CONFIG_LIBC_PICOLIBC=y