diff --git a/pkg/engine/variables/variables_check.go b/pkg/engine/variables/variables_check.go
deleted file mode 100644
index ba4f4a5c38..0000000000
--- a/pkg/engine/variables/variables_check.go
+++ /dev/null
@@ -1,80 +0,0 @@
-package variables
-
-// import (
-// 	"fmt"
-// 	"regexp"
-// 	"strconv"
-// )
-
-// //CheckVariables checks if the variable regex has been used
-// func CheckVariables(pattern interface{}, variables []string, path string) error {
-// 	switch typedPattern := pattern.(type) {
-// 	case map[string]interface{}:
-// 		return checkMap(typedPattern, variables, path)
-// 	case []interface{}:
-// 		return checkArray(typedPattern, variables, path)
-// 	case string:
-// 		return checkValue(typedPattern, variables, path)
-// 	default:
-// 		return nil
-// 	}
-// }
-
-// func checkMap(patternMap map[string]interface{}, variables []string, path string) error {
-// 	for patternKey, patternElement := range patternMap {
-
-// 		if err := CheckVariables(patternElement, variables, path+patternKey+"/"); err != nil {
-// 			return err
-// 		}
-// 	}
-// 	return nil
-// }
-
-// func checkArray(patternList []interface{}, variables []string, path string) error {
-// 	for idx, patternElement := range patternList {
-// 		if err := CheckVariables(patternElement, variables, path+strconv.Itoa(idx)+"/"); err != nil {
-// 			return err
-// 		}
-// 	}
-// 	return nil
-// }
-
-// func checkValue(valuePattern string, variables []string, path string) error {
-// 	operatorVariable := getOperator(valuePattern)
-// 	variable := valuePattern[len(operatorVariable):]
-// 	if checkValueVariable(variable, variables) {
-// 		return fmt.Errorf(path + valuePattern)
-// 	}
-// 	return nil
-// }
-
-// func checkValueVariable(valuePattern string, variables []string) bool {
-// 	variableRegex := regexp.MustCompile(variableRegex)
-// 	groups := variableRegex.FindAllStringSubmatch(valuePattern, -1)
-// 	if len(groups) == 0 {
-// 		// no variables
-// 		return false
-// 	}
-// 	// if variables are defined, check against the list of variables to be filtered
-// 	for _, group := range groups {
-// 		if len(group) == 2 {
-// 			// group[0] -> {{variable}}
-// 			// group[1] -> variable
-// 			if variablePatternSearch(group[1], variables) {
-// 				return true
-// 			}
-// 		}
-// 	}
-// 	return false
-// }
-
-// func variablePatternSearch(pattern string, regexs []string) bool {
-// 	for _, regex := range regexs {
-// 		varRegex := regexp.MustCompile(regex)
-// 		found := varRegex.FindString(pattern)
-// 		if found != "" {
-// 			return true
-// 		}
-// 	}
-// 	return true
-// }