diff --git a/.gitignore b/.gitignore
index f923c8c..8bdf3fb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@ __debug_bin
 dist
 coverage.xml
 fisherman
+.DS_Store
diff --git a/internal/handling/rules_helpers.go b/internal/handling/rules_helpers.go
index d1aa89c..cf65105 100644
--- a/internal/handling/rules_helpers.go
+++ b/internal/handling/rules_helpers.go
@@ -26,7 +26,7 @@ func getScriptRules(ruleCollection []Rule) []Rule {
 }
 
 func filterRules(rules []Rule, predicate func(Rule) bool) []Rule {
-	var filteredRules []Rule
+	filteredRules := make([]Rule, 0, len(rules))
 
 	for _, rule := range rules {
 		if predicate(rule) {
diff --git a/internal/utils/string_slice.go b/internal/utils/string_slice.go
index e41ee7f..5efb8bb 100644
--- a/internal/utils/string_slice.go
+++ b/internal/utils/string_slice.go
@@ -5,7 +5,7 @@ import (
 )
 
 func Filter(slice []string, predicate func(string) bool) []string {
-	var resultSlice []string
+	resultSlice := make([]string, 0, len(slice))
 
 	for i := range slice {
 		if predicate(slice[i]) {