diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc
index 06e38546f43..23302e1847e 100644
--- a/sql/sql_acl.cc
+++ b/sql/sql_acl.cc
@@ -31,7 +31,7 @@
 #include "sql_base.h"                           // close_mysql_tables
 #include "key.h"             // key_copy, key_cmp_if_same, key_restore
 #include "sql_show.h"        // append_identifier
-#include "sql_table.h"                         // build_table_filename
+#include "sql_table.h"                         // write_bin_log
 #include "hash_filo.h"
 #include "sql_parse.h"                          // check_access
 #include "sql_view.h"                           // VIEW_ANY_ACL
diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc
index e077073c2df..3252e403226 100644
--- a/sql/sql_delete.cc
+++ b/sql/sql_delete.cc
@@ -27,7 +27,6 @@
 #include "sql_delete.h"
 #include "sql_cache.h"                          // query_cache_*
 #include "sql_base.h"                           // open_temprary_table
-#include "sql_table.h"                         // build_table_filename
 #include "lock.h"                              // unlock_table_name
 #include "sql_view.h"             // check_key_in_view, mysql_frm_type
 #include "sql_parse.h"            // mysql_init_select
diff --git a/sql/sql_rename.cc b/sql/sql_rename.cc
index 17b297f63bd..b795f5d7f22 100644
--- a/sql/sql_rename.cc
+++ b/sql/sql_rename.cc
@@ -24,7 +24,7 @@
 #include "unireg.h"
 #include "sql_rename.h"
 #include "sql_cache.h"                          // query_cache_*
-#include "sql_table.h"                         // build_table_filename
+#include "sql_table.h"                         // write_bin_log
 #include "sql_view.h"             // mysql_frm_type, mysql_rename_view
 #include "sql_trigger.h"
 #include "lock.h"       // MYSQL_OPEN_SKIP_TEMPORARY
diff --git a/sql/sys_vars.ic b/sql/sys_vars.ic
index 7c62516d52b..334dd318643 100644
--- a/sql/sys_vars.ic
+++ b/sql/sys_vars.ic
@@ -96,7 +96,6 @@ enum charset_enum {IN_SYSTEM_CHARSET, IN_FS_CHARSET};
 
 static const char *bool_values[3]= {"OFF", "ON", 0};
 TYPELIB bool_typelib={ array_elements(bool_values)-1, "", bool_values, 0 };
-extern const char *encrypt_algorithm_names[];
 
 /**
   A small wrapper class to pass getopt arguments as a pair