diff --git a/terminal/input/input.go b/terminal/input/input.go
index c8967ce5..fa01222d 100644
--- a/terminal/input/input.go
+++ b/terminal/input/input.go
@@ -37,13 +37,6 @@ type HintHandler = func(input string) string
 
 // ////////////////////////////////////////////////////////////////////////////////// //
 
-// Validator is input validator type
-type Validator interface {
-	Validate(input string) (string, error)
-}
-
-// ////////////////////////////////////////////////////////////////////////////////// //
-
 // ErrKillSignal is error type when user cancel input
 var ErrKillSignal = linenoise.ErrKillSignal
 
diff --git a/terminal/input/input_stubs.go b/terminal/input/input_stubs.go
index 0e2f966e..84febd4d 100644
--- a/terminal/input/input_stubs.go
+++ b/terminal/input/input_stubs.go
@@ -25,9 +25,6 @@ type CompletionHandler = func(input string) []string
 // HintHandler is hint handler
 type HintHandler = func(input string) string
 
-// Validator is input validation function
-type Validator = func(input string) (string, error)
-
 // ////////////////////////////////////////////////////////////////////////////////// //
 
 // ❗ ErrKillSignal is error type when user cancel input
@@ -64,44 +61,8 @@ var NewLine = false
 
 // ////////////////////////////////////////////////////////////////////////////////// //
 
-var (
-	// NotEmpty returns an error if input is empty
-	NotEmpty = func(input string) (string, error) { return "", nil }
-
-	// IsNumber returns an error if the input is not a valid number
-	IsNumber = func(input string) (string, error) { return "", nil }
-
-	// IsFloat returns an error if the input is not a valid floating number
-	IsFloat = func(input string) (string, error) { return "", nil }
-
-	// IsEmail returns an error if the input is not a valid email
-	IsEmail = func(input string) (string, error) { return "", nil }
-
-	// IsURL returns an error if the input is not a valid URL
-	IsURL = func(input string) (string, error) { return "", nil }
-)
-
-// ////////////////////////////////////////////////////////////////////////////////// //
-
-var (
-	// ErrInvalidAnswer is error for wrong answer for Y/N question
-	ErrInvalidAnswer = errors.New("")
-
-	// ErrIsEmpty is error for empty input
-	ErrIsEmpty = errors.New("")
-
-	// ErrInvalidNumber is error for invalid number
-	ErrInvalidNumber = errors.New("")
-
-	// ErrInvalidFloat is error for invalid floating number
-	ErrInvalidFloat = errors.New("")
-
-	// ErrInvalidEmail is error for invalid email
-	ErrInvalidEmail = errors.New("")
-
-	// ErrInvalidURL is error for invalid URL
-	ErrInvalidURL = errors.New("")
-)
+// ErrInvalidAnswer is error for wrong answer for Y/N question
+var ErrInvalidAnswer = errors.New("")
 
 // ////////////////////////////////////////////////////////////////////////////////// //
 
diff --git a/terminal/input/input_validators.go b/terminal/input/input_validators.go
index dc09ba25..20e5436c 100644
--- a/terminal/input/input_validators.go
+++ b/terminal/input/input_validators.go
@@ -1,6 +1,3 @@
-//go:build !windows
-// +build !windows
-
 package input
 
 // ////////////////////////////////////////////////////////////////////////////////// //
@@ -18,6 +15,13 @@ import (
 
 // ////////////////////////////////////////////////////////////////////////////////// //
 
+// Validator is input validator type
+type Validator interface {
+	Validate(input string) (string, error)
+}
+
+// ////////////////////////////////////////////////////////////////////////////////// //
+
 type notEmptyValidator struct{}
 type isNumberValidator struct{}
 type isFloatValidator struct{}