diff --git a/mozilla/themes/blue/editor/EdImageMapPage.css b/mozilla/themes/blue/editor/EdImageMapPage.css
index ff7c3e4165c..854090db011 100644
--- a/mozilla/themes/blue/editor/EdImageMapPage.css
+++ b/mozilla/themes/blue/editor/EdImageMapPage.css
@@ -39,5 +39,4 @@
 #bgDiv {position:absolute; top:0px; left:0px; width:1; background:url("chrome://editor/skin/images/Map_checker.gif"); background-color: white; cursor: inherit;}
 BODY {background-color:appworkspace;}
 HTML {height: 100%;}
-IMG {-moz-opacity: .99;}
 
diff --git a/mozilla/themes/classic/editor/EdImageMapPage.css b/mozilla/themes/classic/editor/EdImageMapPage.css
index b275f188a9a..d2d0970ddfd 100644
--- a/mozilla/themes/classic/editor/EdImageMapPage.css
+++ b/mozilla/themes/classic/editor/EdImageMapPage.css
@@ -39,4 +39,3 @@
 #bgDiv {position:absolute; top:0px; left:0px; width:1; background:url("chrome://editor/skin/images/Map_checker.gif"); background-color: white; cursor: inherit;}
 BODY {background-color:appworkspace;}
 HTML {height: 100%;}
-IMG {-moz-opacity: .99;}
diff --git a/mozilla/themes/classic/editor/mac/EdImageMapPage.css b/mozilla/themes/classic/editor/mac/EdImageMapPage.css
index b275f188a9a..d2d0970ddfd 100644
--- a/mozilla/themes/classic/editor/mac/EdImageMapPage.css
+++ b/mozilla/themes/classic/editor/mac/EdImageMapPage.css
@@ -39,4 +39,3 @@
 #bgDiv {position:absolute; top:0px; left:0px; width:1; background:url("chrome://editor/skin/images/Map_checker.gif"); background-color: white; cursor: inherit;}
 BODY {background-color:appworkspace;}
 HTML {height: 100%;}
-IMG {-moz-opacity: .99;}
diff --git a/mozilla/themes/classic/editor/win/EdImageMapPage.css b/mozilla/themes/classic/editor/win/EdImageMapPage.css
index b275f188a9a..d2d0970ddfd 100644
--- a/mozilla/themes/classic/editor/win/EdImageMapPage.css
+++ b/mozilla/themes/classic/editor/win/EdImageMapPage.css
@@ -39,4 +39,3 @@
 #bgDiv {position:absolute; top:0px; left:0px; width:1; background:url("chrome://editor/skin/images/Map_checker.gif"); background-color: white; cursor: inherit;}
 BODY {background-color:appworkspace;}
 HTML {height: 100%;}
-IMG {-moz-opacity: .99;}
diff --git a/mozilla/themes/modern/editor/EdImageMapPage.css b/mozilla/themes/modern/editor/EdImageMapPage.css
index ff7c3e4165c..854090db011 100644
--- a/mozilla/themes/modern/editor/EdImageMapPage.css
+++ b/mozilla/themes/modern/editor/EdImageMapPage.css
@@ -39,5 +39,4 @@
 #bgDiv {position:absolute; top:0px; left:0px; width:1; background:url("chrome://editor/skin/images/Map_checker.gif"); background-color: white; cursor: inherit;}
 BODY {background-color:appworkspace;}
 HTML {height: 100%;}
-IMG {-moz-opacity: .99;}