diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index ce53cd22669..7d12c66e7e5 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -599,7 +599,9 @@ pthread_mutex_t  LOCK_server_started;
 pthread_cond_t  COND_server_started;
 
 int mysqld_server_started= 0;
+#ifndef EMBEDDED_LIBRARY
 static uint thr_kill_signal;
+#endif
 
 File_parser_dummy_hook file_parser_dummy_hook;
 
diff --git a/sql/stacktrace.c b/sql/stacktrace.c
index 0dbf4522a71..078f62c6b2b 100644
--- a/sql/stacktrace.c
+++ b/sql/stacktrace.c
@@ -53,8 +53,6 @@ void safe_print_str(const char* name, const char* val, int max_len)
 #define SIGRETURN_FRAME_OFFSET 23
 #endif
 
-static my_bool is_nptl;
-
 #if defined(__alpha__) && defined(__GNUC__)
 /*
   The only way to backtrace without a symbol table on alpha