diff --git a/third_party/musl/ndk_musl_include/errno.h b/third_party/musl/ndk_musl_include/errno.h
index 9ebe0f75e17165b51c3bbca0dc137abb55ba60e7..954aef941bf0d7d9d7f7adf958955b5004704487 100644
--- a/third_party/musl/ndk_musl_include/errno.h
+++ b/third_party/musl/ndk_musl_include/errno.h
@@ -15,10 +15,6 @@ __attribute__((const))
 int *__errno_location(void);
 #define errno (*__errno_location())
 
-#ifdef _GNU_SOURCE
-extern char *program_invocation_short_name, *program_invocation_name;
-#endif
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/third_party/musl/ndk_musl_include/resolv.h b/third_party/musl/ndk_musl_include/resolv.h
index f4849522b67ca234b4db0d97ac3e597d7223055d..591cc18d60ef173c4887f36c5a7248be28395d18 100644
--- a/third_party/musl/ndk_musl_include/resolv.h
+++ b/third_party/musl/ndk_musl_include/resolv.h
@@ -122,8 +122,6 @@ struct res_sym {
 #define RES_PRF_REPLY	0x00002000
 #define RES_PRF_INIT	0x00004000
 
-#define _res (*__res_state())
-
 int res_init(void);
 int res_query(const char *, int, int, unsigned char *, int);
 int res_querydomain(const char *, const char *, int, int, unsigned char *, int);