diff --git a/ld/nodemcu.ld b/ld/nodemcu.ld
index afeacc8f..29daaa13 100644
--- a/ld/nodemcu.ld
+++ b/ld/nodemcu.ld
@@ -89,31 +89,9 @@ SECTIONS
     KEEP(*(.lua_rotable))
     LONG(0) LONG(0) /* Null-terminate the array */
 
-    /* These are *only* pulled in by Lua, and therefore safe to put in flash */
-    */libc.a:lib_a-isalnum.o(.text* .literal*)
-    */libc.a:lib_a-isalpha.o(.text* .literal*)
-    */libc.a:lib_a-iscntrl.o(.text* .literal*)
-    */libc.a:lib_a-isspace.o(.text* .literal*)
-    */libc.a:lib_a-islower.o(.text* .literal*)
-    */libc.a:lib_a-isupper.o(.text* .literal*)
-    */libc.a:lib_a-ispunct.o(.text* .literal*)
-    */libc.a:lib_a-isxdigit.o(.text* .literal*)
-    */libc.a:lib_a-locale.o(.text* .literal*)
-    */libc.a:lib_a-tolower.o(.text* .literal*)
-    */libc.a:lib_a-toupper.o(.text* .literal*)
-    */libc.a:lib_a-strcasecmp.o(.text* .literal*)
-    */libc.a:lib_a-strcoll.o(.text* .literal*)
-    */libc.a:lib_a-strchr.o(.text* .literal*)
-    */libc.a:lib_a-strrchr.o(.text* .literal*)
-    */libc.a:lib_a-strcat.o(.text* .literal*)
-    */libc.a:lib_a-strncat.o(.text* .literal*)
-    */libc.a:lib_a-strcspn.o(.text* .literal*)
-    */libc.a:lib_a-strtol.o(.text* .literal*)
-    */libc.a:lib_a-strtoul.o(.text* .literal*)
-    */libc.a:lib_a-strpbrk.o(.text* .literal*)
-    */libc.a:lib_a-memchr.o(.text* .literal*)
-    */libc.a:lib_a-setjmp.o(.text* .literal*)
-    /* end Lua C lib functions */
+    /* SDK doesn't use libc functions, and are therefore safe to put in flash */
+    */libc.a(.text* .literal*)
+    /* end libc functions */
 
     _irom0_text_end = ABSOLUTE(.);
     _flash_used_end = ABSOLUTE(.);