diff --git a/docs/kdbsql_grammar_notes.txt b/docs/kdbsql_grammar_notes.txt
deleted file mode 100644
index 1c3d4f34..00000000
--- a/docs/kdbsql_grammar_notes.txt
+++ /dev/null
@@ -1,62 +0,0 @@
-/* Jarosław Staniek:
-   TAKEN FROM his compiler's parser
-   AS EXAMPLE FOR LUCIJAN'S KEXISQL PARSER */
-
-
-
-exp:    exp3 { $$->prn(); }
-        | exp OR exp3 { $$ = new NOpLog($1,OR,$3); $$->prn(); }
-        ;
-exp3:   exp3n {/*default*/}
-        | exp3 AND exp3n { $$ = new NOpLog($1,AND,$3); }
-        ;
-exp3n:  exp2 {/*default*/}
-        | NOT exp3n { $$ = new NOp1arg(NOT,$2); }
-        ;
-exp2:   exp1 {/*default*/}
-        | exp1 op_rel exp1 { $$ = new NOpRel($1,$2,$3); }
-        ;
-exp1:   exp0 {/*default*/}
-        | exp1 op_ar1 exp0 { $$ = new NOpAr($1,$2,$3); }
-        ;
-exp0:   exp_poj {/*default*/}
-        | exp0 op_ar0 exp_poj { $$ = new NOpAr($1,$2,$3); }
-        ;
-
-
-
-
-* prior.2 - relational oper. */
-op_rel:   '=' { $$='='; }
-          | '<' { $$='<'; }
-          | '>' { $$='>'; }
-          | "<=" { $$=REL_LESS_EQ; }
-          | ">=" { $$=REL_GREAT_EQ; }
-          | "<>" { $$=REL_NOT_EQ; }
-          ;
-/* prior.1 - arytmetic oper. +,- */
-op_ar1:     '+' { $$='+'; }
-            | '-' { $$='-'; }
-            ;
-/* prior.0 - arytmetic oper. *,/ */
-op_ar0:     '*' { $$='*'; }
-            | '/' { $$='/'; }
-            ;
-exp_single: single {/*default*/}
-          | '(' exp ')' { /*$$=new NOp1arg(0, $2);*/ $$=$2; }
-          | '-' exp_single %prec OP_MINUS { $$=new NOp1arg('-', $2); }
-          | '+' exp_single %prec OP_PLUS { $$=new NOp1arg('+', $2); }
-          ;
-single:      const {/*default*/}
-          | variable {/*default*/ }
-          | function_call {/*default*/}
-
-const:  CONST_BOOL { $$ = new NConstBool(yylval.bval); }
-        | CONST_INT { $$ = new NConstInt(yylval.ival); }
-        | CONST_STR { $$ = new NConstStr(yylval.sval); }
-        ;
-
-
-
-
-