diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc
index c0d0d196336..824aaf8e991 100644
--- a/sql/sql_lex.cc
+++ b/sql/sql_lex.cc
@@ -1296,7 +1296,6 @@ void LEX::start(THD *thd_arg)
   ignore= 0;
   empty_field_list_on_rset= 0;
   use_only_table_context= 0;
-  escape_used= 0;
   default_used= 0;
   with_rownum= FALSE;
   is_lex_started= 1;
diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 79e126b5c2d..9edd3894862 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -3509,7 +3509,6 @@ public:
     (see Item_field::fix_fields()).
   */
   bool use_only_table_context:1;
-  bool escape_used:1;
   bool default_used:1;    /* using default() function */
   bool with_rownum:1;     /* Using rownum() function */
   bool is_lex_started:1;  /* If lex_start() did run. For debugging. */
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy
index efc5c5bd571..fa017e8acfc 100644
--- a/sql/sql_yacc.yy
+++ b/sql/sql_yacc.yy
@@ -127,7 +127,6 @@ int yylex(void *yylval, void *yythd);
 
 static Item* escape(THD *thd)
 {
-  thd->lex->escape_used= false;
   const char *esc= thd->variables.sql_mode & MODE_NO_BACKSLASH_ESCAPES ? "" : "\\";
   return new (thd->mem_root) Item_string_ascii(thd, esc, MY_TEST(esc[0]));
 }
@@ -9621,7 +9620,6 @@ predicate:
           }
         | predicate LIKE predicate ESCAPE_SYM predicate %prec LIKE
           {
-            Lex->escape_used= true;
             $$= new (thd->mem_root) Item_func_like(thd, $1, $3, $5, true);
             if (unlikely(!$$))
               MYSQL_YYABORT;
@@ -9635,7 +9633,6 @@ predicate:
           }
         | predicate not LIKE predicate ESCAPE_SYM predicate %prec LIKE
           {
-            Lex->escape_used= true;
             Item *item= new (thd->mem_root) Item_func_like(thd, $1, $4, $6, true);
             if (unlikely(!item))
               MYSQL_YYABORT;