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diff --git a/sli/common/src/main/antlr4/org/openecomp/sdnc/sli/ExprGrammar.g4 b/sli/common/src/main/antlr4/org/openecomp/sdnc/sli/ExprGrammar.g4
deleted file mode 100644
index 51f4016..0000000
--- a/sli/common/src/main/antlr4/org/openecomp/sdnc/sli/ExprGrammar.g4
+++ /dev/null
@@ -1,66 +0,0 @@
-grammar ExprGrammar;
-	
-options {
-	language = Java;
-}
-	
-
-COMPAREOP : '==' | '!=' | '>' | '<' | '>=' | '<=';
-
-RELOP : 'and' | 'or';
-
-ADDOP : '+' | '-';
-
-MULTOP : '/' | '*';
-
-NUMBER : ('0'..'9')+;
-
-STRING : '\'' ~[\']* '\'';
-
-IDENTIFIER : ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'0'..'9'|'_'|'-')*;
-
-// CONTEXT_VAR : '$' IDENTIFIER;
-
-WS: [ \n\t\r]+ -> skip;
-
-constant : NUMBER | STRING ;
-
-variableLead : ('$')? variableTerm ;
-
-variableTerm : IDENTIFIER ('[' expr ']')? ;
-
-variable : variableLead ('.' variableTerm)* ('.')?;
-
-// variable : CONTEXT_VAR  ( '[' expr ']' )? ('.' IDENTIFIER )? ;
-
-atom : constant | variable;
-
-
-expr : atom 
-     | parenExpr 
-     | multExpr 
-     | addExpr 
-     | compareExpr 
-     | relExpr 
-     | funcExpr;
-
-parenExpr : '(' expr ')';
-
-term : atom | parenExpr | funcExpr;
-
-multExpr : term (MULTOP term)*;
-
-addExpr : multExpr (ADDOP multExpr)*;
-
-compareExpr : addExpr COMPAREOP addExpr;
-
-relExpr : compareExpr (RELOP expr)*;
-
-funcExpr : IDENTIFIER '(' expr (',' expr)* ')';
-
-							
-
-
- 
-        
-