diff --git a/ruleset/expr.go b/ruleset/expr.go
index a1bc2b9..182a41e 100644
--- a/ruleset/expr.go
+++ b/ruleset/expr.go
@@ -266,14 +266,9 @@ func CompileExprRules(rules []ExprRule, ans []analyzer.Analyzer, mods []modifier
 		}
 		compiledRules = append(compiledRules, cr)
 	}
-	// Convert the analyzer map to a list.
-	var depAns []analyzer.Analyzer
-	for _, a := range depAnMap {
-		depAns = append(depAns, a)
-	}
 	return &exprRuleset{
 		Rules:      compiledRules,
-		Ans:        depAns,
+		Ans:        ans,
 		Logger:     config.Logger,
 		GeoMatcher: geoMatcher,
 		stats:      stats,