diff --git a/check_stereo/index.html b/check_stereo/index.html
index af1d484..1330763 100644
--- a/check_stereo/index.html
+++ b/check_stereo/index.html
@@ -2,6 +2,7 @@
 
 <head>
   <meta charset="utf-8">
+  <link rel="icon" href="data:,">
   <title>Stereo Check シンプルサンプル</title>
 
   <style>
diff --git a/check_stereo_multi/index.html b/check_stereo_multi/index.html
index 0d445c7..e24d13a 100644
--- a/check_stereo_multi/index.html
+++ b/check_stereo_multi/index.html
@@ -2,6 +2,7 @@
 
 <head>
   <meta charset="utf-8">
+  <link rel="icon" href="data:,">
   <title>Stereo Check マルチサンプル</title>
 
   <style>
diff --git a/messaging/index.html b/messaging/index.html
index 0c0371d..ece0fc7 100644
--- a/messaging/index.html
+++ b/messaging/index.html
@@ -2,6 +2,7 @@
 
 <head>
   <meta charset="utf-8">
+  <link rel="icon" href="data:,">
   <title>リアルタイムメッセージングサンプル</title>
 </head>
 
diff --git a/recvonly/index.html b/recvonly/index.html
index 004dfef..b2780cc 100644
--- a/recvonly/index.html
+++ b/recvonly/index.html
@@ -2,6 +2,7 @@
 
 <head>
   <meta charset="utf-8">
+  <link rel="icon" href="data:,">
   <title>Recvonly サンプル</title>
 </head>
 
diff --git a/replace_track/index.html b/replace_track/index.html
index 15d4123..f748ef7 100644
--- a/replace_track/index.html
+++ b/replace_track/index.html
@@ -2,6 +2,7 @@
 
 <head>
   <meta charset="utf-8">
+  <link rel="icon" href="data:,">
   <title>replaceTrack サンプル</title>
 </head>
 
diff --git a/sendonly/index.html b/sendonly/index.html
index 261e922..e1eade0 100644
--- a/sendonly/index.html
+++ b/sendonly/index.html
@@ -2,6 +2,7 @@
 
 <head>
   <meta charset="utf-8">
+  <link rel="icon" href="data:,">
   <title>Sendonly サンプル</title>
 </head>
 
diff --git a/sendrecv/index.html b/sendrecv/index.html
index aca3363..057fcd2 100644
--- a/sendrecv/index.html
+++ b/sendrecv/index.html
@@ -2,6 +2,7 @@
 
 <head>
   <meta charset="utf-8">
+  <link rel="icon" href="data:,">
   <title>送受信サンプル</title>
 </head>
 
diff --git a/simulcast/index.html b/simulcast/index.html
index 64b2946..54294fc 100644
--- a/simulcast/index.html
+++ b/simulcast/index.html
@@ -2,6 +2,7 @@
 
 <head>
   <meta charset="utf-8">
+  <link rel="icon" href="data:,">
   <title>サイマルキャストサンプル</title>
 </head>
 
diff --git a/spotlight_sendrecv/index.html b/spotlight_sendrecv/index.html
index 542b34b..e351b64 100644
--- a/spotlight_sendrecv/index.html
+++ b/spotlight_sendrecv/index.html
@@ -2,6 +2,7 @@
 
 <head>
   <meta charset="utf-8">
+  <link rel="icon" href="data:,">
   <title>Spotlight Sendrecv サンプル</title>
 </head>
 
