diff --git a/dist/css/bootstrap.css b/dist/css/bootstrap.css
index 13155daf184ec38e6c62133f7721d5af51d30388..9ab555524a566c394783c01cbee0556e2864349d 100644
--- a/dist/css/bootstrap.css
+++ b/dist/css/bootstrap.css
@@ -901,12 +901,6 @@ th {
 .glyphicon-paste:before {
   content: "\e206";
 }
-.glyphicon-door:before {
-  content: "\1f6aa";
-}
-.glyphicon-key:before {
-  content: "\1f511";
-}
 .glyphicon-alert:before {
   content: "\e209";
 }
diff --git a/less/glyphicons.less b/less/glyphicons.less
index cb02f99456946360d036141e6b93ccf4e26d39a8..8b25f89a59f82c22e2a28ee8384ebd247ea23633 100644
--- a/less/glyphicons.less
+++ b/less/glyphicons.less
@@ -239,8 +239,14 @@
 .glyphicon-level-up               { &:before { content: "\e204"; } }
 .glyphicon-copy                   { &:before { content: "\e205"; } }
 .glyphicon-paste                  { &:before { content: "\e206"; } }
-.glyphicon-door                   { &:before { content: "\1f6aa"; } }
-.glyphicon-key                    { &:before { content: "\1f511"; } }
+// The following 2 Glyphicons are omitted for the time being because
+// they currently use Unicode codepoints that are outside the
+// Basic Multilingual Plane (BMP). Older buggy versions of WebKit can't handle
+// non-BMP codepoints in CSS string escapes, and thus can't display these two icons.
+// Notably, the bug affects some older versions of the Android Browser.
+// More info: https://github.com/twbs/bootstrap/issues/10106
+// .glyphicon-door                   { &:before { content: "\1f6aa"; } }
+// .glyphicon-key                    { &:before { content: "\1f511"; } }
 .glyphicon-alert                  { &:before { content: "\e209"; } }
 .glyphicon-equalizer              { &:before { content: "\e210"; } }
 .glyphicon-king                   { &:before { content: "\e211"; } }