--- a/layout/style/forms.css
+++ b/layout/style/forms.css
@@ -76,23 +76,21 @@ input::-moz-placeholder {
   line-height: -moz-block-height;
 }
 
 /* Make sure that the location bar's alignment in RTL mode changes according
    to the input box direction if the user switches the text direction using
    cmd_switchTextDirection (which applies a dir attribute to the input box's
    anonymous div. */
 @-moz-document url-prefix(chrome://) {
-  input.uri-element-right-align:-moz-locale-dir(rtl) > .anonymous-div,
-  input.uri-element-right-align:-moz-locale-dir(rtl)::-moz-placeholder {
+  input.uri-element-right-align:-moz-locale-dir(rtl) > .anonymous-div {
     text-align: right !important;
   }
 
-  input.uri-element-right-align:-moz-locale-dir(rtl) > .anonymous-div[dir=ltr],
-  input.uri-element-right-align:-moz-locale-dir(rtl)::-moz-placeholder[dir=ltr] {
+  input.uri-element-right-align:-moz-locale-dir(rtl) > .anonymous-div[dir=ltr] {
     text-align: left !important;
   }
 }
 
 textarea {
   margin: 1px 0 1px 0;
   border: 2px inset ThreeDFace;
   background-color: -moz-Field;