diff --git a/_docs/examplecontent.tmpl.html b/_docs/examplecontent.tmpl.html
index 3409c0226..ef8e80ed2 100644
--- a/_docs/examplecontent.tmpl.html
+++ b/_docs/examplecontent.tmpl.html
@@ -1,5 +1,4 @@
 <!DOCTYPE html>
-{{comment .License}}
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/gen.go b/_docs/gen.go
index 891509b07..37f1c872b 100644
--- a/_docs/gen.go
+++ b/_docs/gen.go
@@ -48,19 +48,18 @@ func execute(command string, args ...string) error {
 	return nil
 }
 
-var license = ""
+var (
+	copyright     = ""
+	stableVersion = ""
+	devVersion    = ""
+)
 
 func init() {
 	b, err := ioutil.ReadFile("../LICENSE")
 	if err != nil {
 		panic(err)
 	}
-	license = strings.TrimSpace(string(b))
-}
-
-var copyright = ""
-
-func init() {
+	license := strings.TrimSpace(string(b))
 	year, err := strconv.Atoi(regexp.MustCompile(`^Copyright (\d+)`).FindStringSubmatch(license)[1])
 	if err != nil {
 		panic(err)
@@ -68,11 +67,6 @@ func init() {
 	copyright = fmt.Sprintf("© %d Hajime Hoshi", year)
 }
 
-var (
-	stableVersion = ""
-	devVersion    = ""
-)
-
 func init() {
 	b, err := exec.Command("git", "tag").Output()
 	if err != nil {
@@ -265,7 +259,6 @@ func outputMain() error {
 	}
 
 	data := map[string]interface{}{
-		"License":       license,
 		"Copyright":     copyright,
 		"StableVersion": stableVersion,
 		"DevVersion":    devVersion,
@@ -307,7 +300,6 @@ func outputExampleContent(e *example) error {
 	}
 
 	data := map[string]interface{}{
-		"License":       license,
 		"Copyright":     copyright,
 		"CurrentBranch": currentBranch(),
 		"Example":       e,
@@ -348,7 +340,6 @@ func outputExample(e *example) error {
 	}
 
 	data := map[string]interface{}{
-		"License":   license,
 		"Copyright": copyright,
 		"Example":   e,
 	}
diff --git a/_docs/public/examples/alphablending.content.html b/_docs/public/examples/alphablending.content.html
index 3c39b219c..ff273515a 100644
--- a/_docs/public/examples/alphablending.content.html
+++ b/_docs/public/examples/alphablending.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/audio.content.html b/_docs/public/examples/audio.content.html
index e8ab53324..98a9adb14 100644
--- a/_docs/public/examples/audio.content.html
+++ b/_docs/public/examples/audio.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/blocks.content.html b/_docs/public/examples/blocks.content.html
index 78f3fba45..b6bd676b4 100644
--- a/_docs/public/examples/blocks.content.html
+++ b/_docs/public/examples/blocks.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/font.content.html b/_docs/public/examples/font.content.html
index b3b09918a..3508ab5ed 100644
--- a/_docs/public/examples/font.content.html
+++ b/_docs/public/examples/font.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/gamepad.content.html b/_docs/public/examples/gamepad.content.html
index e0b9b7854..64308755b 100644
--- a/_docs/public/examples/gamepad.content.html
+++ b/_docs/public/examples/gamepad.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/hsv.content.html b/_docs/public/examples/hsv.content.html
index 12f0d6902..4ed0206b3 100644
--- a/_docs/public/examples/hsv.content.html
+++ b/_docs/public/examples/hsv.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/hue.content.html b/_docs/public/examples/hue.content.html
index 911781ab8..910c3b846 100644
--- a/_docs/public/examples/hue.content.html
+++ b/_docs/public/examples/hue.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/keyboard.content.html b/_docs/public/examples/keyboard.content.html
index c3abc0c3c..d3d7eaac0 100644
--- a/_docs/public/examples/keyboard.content.html
+++ b/_docs/public/examples/keyboard.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/masking.content.html b/_docs/public/examples/masking.content.html
index a7aa19f88..8be0988fc 100644
--- a/_docs/public/examples/masking.content.html
+++ b/_docs/public/examples/masking.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/mosaic.content.html b/_docs/public/examples/mosaic.content.html
index e0872893c..f729fbbee 100644
--- a/_docs/public/examples/mosaic.content.html
+++ b/_docs/public/examples/mosaic.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/noise.content.html b/_docs/public/examples/noise.content.html
index 614d25d90..4728138d9 100644
--- a/_docs/public/examples/noise.content.html
+++ b/_docs/public/examples/noise.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/paint.content.html b/_docs/public/examples/paint.content.html
index e64539a64..a42f4b38e 100644
--- a/_docs/public/examples/paint.content.html
+++ b/_docs/public/examples/paint.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/perspective.content.html b/_docs/public/examples/perspective.content.html
index 0ca4f90a5..02ecbd727 100644
--- a/_docs/public/examples/perspective.content.html
+++ b/_docs/public/examples/perspective.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/piano.content.html b/_docs/public/examples/piano.content.html
index 6f2b77fe8..c97d28e2e 100644
--- a/_docs/public/examples/piano.content.html
+++ b/_docs/public/examples/piano.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/rotate.content.html b/_docs/public/examples/rotate.content.html
index 2e4a0a214..984361276 100644
--- a/_docs/public/examples/rotate.content.html
+++ b/_docs/public/examples/rotate.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
diff --git a/_docs/public/examples/sprites.content.html b/_docs/public/examples/sprites.content.html
index d5e9d8d7f..9adc8b0a0 100644
--- a/_docs/public/examples/sprites.content.html
+++ b/_docs/public/examples/sprites.content.html
@@ -1,19 +1,4 @@
 <!DOCTYPE html>
-<!--
-Copyright 2013 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.
--->
 <script>
 'use strict';
 window.addEventListener('load', function() {
