diff --git a/internal/glfw/const.go b/internal/glfw/const.go
new file mode 100644
index 000000000..a8ce6a24c
--- /dev/null
+++ b/internal/glfw/const.go
@@ -0,0 +1,79 @@
+// Copyright 2018 The Ebiten Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package glfw
+
+const (
+	False = 0
+	True  = 1
+)
+
+const (
+	Release = Action(0)
+	Press   = Action(1)
+	Repeat  = Action(2)
+)
+
+const (
+	ModShift   = ModifierKey(0x0001)
+	ModControl = ModifierKey(0x0002)
+	ModAlt     = ModifierKey(0x0004)
+)
+
+const (
+	MouseButtonLeft   = MouseButton(0)
+	MouseButtonRight  = MouseButton(1)
+	MouseButtonMiddle = MouseButton(2)
+)
+
+const (
+	Joystick1  = Joystick(0)
+	Joystick2  = Joystick(1)
+	Joystick3  = Joystick(2)
+	Joystick4  = Joystick(3)
+	Joystick5  = Joystick(4)
+	Joystick6  = Joystick(5)
+	Joystick7  = Joystick(6)
+	Joystick8  = Joystick(7)
+	Joystick9  = Joystick(8)
+	Joystick10 = Joystick(9)
+	Joystick11 = Joystick(10)
+	Joystick12 = Joystick(11)
+	Joystick13 = Joystick(12)
+	Joystick14 = Joystick(13)
+	Joystick15 = Joystick(14)
+	Joystick16 = Joystick(15)
+)
+
+const (
+	ClientAPI           = Hint(0x00022001)
+	ContextVersionMajor = Hint(0x00022002)
+	ContextVersionMinor = Hint(0x00022003)
+	Decorated           = Hint(0x00020005)
+	Focused             = Hint(0x00020001)
+	Resizable           = Hint(0x00020003)
+	Visible             = Hint(0x00020004)
+)
+
+const (
+	CursorMode             = InputMode(0x00033001)
+	StickyKeysMode         = InputMode(0x00033002)
+	StickyMouseButtonsMode = InputMode(0x00033003)
+)
+
+const (
+	CursorHidden = 0x00034002
+	CursorNormal = 0x00034001
+	NoAPI        = 0
+)
diff --git a/internal/glfw/glfw.go b/internal/glfw/glfw.go
index a5b119e5c..af8ac3e9c 100644
--- a/internal/glfw/glfw.go
+++ b/internal/glfw/glfw.go
@@ -19,5 +19,33 @@ import (
 )
 
 type (
-	Key = glfw.Key
+	Action       = glfw.Action
+	Hint         = glfw.Hint
+	InputMode    = glfw.InputMode
+	Joystick     = glfw.Joystick
+	Key          = glfw.Key
+	ModifierKey  = glfw.ModifierKey
+	MouseButton  = glfw.MouseButton
+	MonitorEvent = glfw.MonitorEvent
+)
+
+type (
+	Monitor = glfw.Monitor
+	VidMode = glfw.VidMode
+	Window  = glfw.Window
+)
+
+var (
+	CreateWindow       = glfw.CreateWindow
+	GetJoystickAxes    = glfw.GetJoystickAxes
+	GetJoystickButtons = glfw.GetJoystickButtons
+	GetMonitors        = glfw.GetMonitors
+	GetPrimaryMonitor  = glfw.GetPrimaryMonitor
+	Init               = glfw.Init
+	JoystickPresent    = glfw.JoystickPresent
+	PollEvents         = glfw.PollEvents
+	SetMonitorCallback = glfw.SetMonitorCallback
+	SwapInterval       = glfw.SwapInterval
+	Terminate          = glfw.Terminate
+	WindowHint         = glfw.WindowHint
 )
diff --git a/internal/input/input_glfw.go b/internal/input/input_glfw.go
index c952604ea..62d09f579 100644
--- a/internal/input/input_glfw.go
+++ b/internal/input/input_glfw.go
@@ -23,7 +23,7 @@ import (
 	"sync"
 	"unicode"
 
-	glfw "github.com/go-gl/glfw/v3.2/glfw"
+	"github.com/hajimehoshi/ebiten/internal/glfw"
 )
 
 type Input struct {
diff --git a/internal/ui/ui_glfw.go b/internal/ui/ui_glfw.go
index b00697877..e2019f43b 100644
--- a/internal/ui/ui_glfw.go
+++ b/internal/ui/ui_glfw.go
@@ -26,9 +26,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/go-gl/glfw/v3.2/glfw"
-
 	"github.com/hajimehoshi/ebiten/internal/devicescale"
+	"github.com/hajimehoshi/ebiten/internal/glfw"
 	"github.com/hajimehoshi/ebiten/internal/graphicscommand"
 	"github.com/hajimehoshi/ebiten/internal/hooks"
 	"github.com/hajimehoshi/ebiten/internal/input"
diff --git a/internal/ui/ui_mac.go b/internal/ui/ui_mac.go
index a38941818..29344af5b 100644
--- a/internal/ui/ui_mac.go
+++ b/internal/ui/ui_mac.go
@@ -45,7 +45,7 @@ import "C"
 import (
 	"unsafe"
 
-	"github.com/go-gl/glfw/v3.2/glfw"
+	"github.com/hajimehoshi/ebiten/internal/glfw"
 )
 
 func glfwScale() float64 {
diff --git a/internal/ui/ui_unix.go b/internal/ui/ui_unix.go
index 52604c21f..182606a3f 100644
--- a/internal/ui/ui_unix.go
+++ b/internal/ui/ui_unix.go
@@ -19,9 +19,8 @@
 package ui
 
 import (
-	"github.com/go-gl/glfw/v3.2/glfw"
-
 	"github.com/hajimehoshi/ebiten/internal/devicescale"
+	"github.com/hajimehoshi/ebiten/internal/glfw"
 )
 
 func glfwScale() float64 {
diff --git a/internal/ui/ui_windows.go b/internal/ui/ui_windows.go
index dd984a6b9..b2a70d8cf 100644
--- a/internal/ui/ui_windows.go
+++ b/internal/ui/ui_windows.go
@@ -21,9 +21,8 @@ import (
 	"syscall"
 	"unsafe"
 
-	"github.com/go-gl/glfw/v3.2/glfw"
-
 	"github.com/hajimehoshi/ebiten/internal/devicescale"
+	"github.com/hajimehoshi/ebiten/internal/glfw"
 )
 
 const (