diff --git a/configs/sim/nx/defconfig b/configs/sim/nx/defconfig
index 914686422de786ac9ff17162f241e009b38efafe..7bc09bfe257d181245b21e5e31d82e62923625db 100644
--- a/configs/sim/nx/defconfig
+++ b/configs/sim/nx/defconfig
@@ -317,13 +317,13 @@ CONFIG_NET_RESOLV_ENTRIES=4
 CONFIG_NXGRAPHICS=y
 CONFIG_NX_MULTIUSER=n
 CONFIG_NX_NPLANES=1
-CONFIG_NXGLIB_DISABLE_1BPP=n
-CONFIG_NXGLIB_DISABLE_2BPP=n
-CONFIG_NXGLIB_DISABLE_4BPP=n
-CONFIG_NXGLIB_DISABLE_8BPP=y
-CONFIG_NXGLIB_DISABLE_16BPP=n
-CONFIG_NXGLIB_DISABLE_24BPP=n
-CONFIG_NXGLIB_DISABLE_32BPP=n
+CONFIG_NXGLIB_DISABLE_1BPP=y
+CONFIG_NXGLIB_DISABLE_2BPP=y
+CONFIG_NXGLIB_DISABLE_4BPP=y
+CONFIG_NXGLIB_DISABLE_8BPP=n
+CONFIG_NXGLIB_DISABLE_16BPP=y
+CONFIG_NXGLIB_DISABLE_24BPP=y
+CONFIG_NXGLIB_DISABLE_32BPP=y
 CONFIG_NXGL_PACKEDMSFIRST=n
 CONFIG_NX_MOUSE=n
 CONFIG_NX_KBD=n