diff --git a/boards/sim/sim/sim/scripts/Make.defs b/boards/sim/sim/sim/scripts/Make.defs
index d374c9092f6f3..179da7596d970 100644
--- a/boards/sim/sim/sim/scripts/Make.defs
+++ b/boards/sim/sim/sim/scripts/Make.defs
@@ -41,16 +41,6 @@ ARCHPICFLAGS = -fpic
 ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef
 ARCHWARNINGSXX = -Wall -Wshadow -Wundef
 
-# Add -fvisibility=hidden
-# Because we don't want export nuttx's symbols to share libraries
-
-ARCHCPUFLAGS += -fvisibility=hidden
-ARCHCPUFLAGSXX += -fvisibility=hidden
-
-ifeq ($(CONFIG_HOST_MACOS),y)
-  LDLINKFLAGS += -keep_private_externs
-endif
-
 # Add -fno-common because macOS "ld -r" doesn't seem to pick objects
 # for common symbols.
 ARCHCPUFLAGS += -fno-common