diff --git a/app/assets/stylesheets/application.css.erb b/app/assets/stylesheets/application.css.erb
index f2093a0f..b671dd80 100644
--- a/app/assets/stylesheets/application.css.erb
+++ b/app/assets/stylesheets/application.css.erb
@@ -652,7 +652,7 @@ label {
     box-shadow: 6px 6px 8px rgba(0, 0, 0, 0.4);
 }
 .headertop .tab {
-    background: url(<%= asset_data_uri('tab.png') %>) no-repeat 0 0;
+    background: url('tab.png') no-repeat 0 0;
     position: absolute;
     top: -11px;
     right: -2px;
@@ -1145,7 +1145,7 @@ h3.realtimeBoxTitle {
     position: absolute;
     top: 4px;
     right: 0;
-    background-image: url(<%= asset_data_uri(''junto24_sprite.png'') %>);
+    background-image: url(<%= asset_data_uri('junto24_sprite.png') %>);
 }
 .realtimeMapperList .littleRtOff  .littleJuntoIcon {
     background-position: 0 0;
diff --git a/app/assets/stylesheets/clean.css.erb b/app/assets/stylesheets/clean.css.erb
index fa0c9758..94164b6b 100644
--- a/app/assets/stylesheets/clean.css.erb
+++ b/app/assets/stylesheets/clean.css.erb
@@ -176,7 +176,7 @@
     border-top-right-radius: 2px;
     border-bottom-right-radius: 2px;
     height: 32px;
-    background: #4fb5c0 url(<%= asset_data_uri(''search.png'') %>) no-repeat center center;
+    background: #4fb5c0 url(<%= asset_data_uri('search.png') %>) no-repeat center center;
     background-size: 32px 32px;
     cursor: pointer;
 }
@@ -665,7 +665,7 @@
 .upperRightIcon {
     width: 32px;
     height: 32px;
-    background-image: url(<%= asset_data_uri(''topright_sprite.png'') %>);
+    background-image: url(<%= asset_data_uri('topright_sprite.png') %>);
     background-repeat: no-repeat;
     cursor: pointer;
 }
@@ -863,7 +863,7 @@
     cursor: pointer;
 }
 .openCheatsheet {
-    background-image: url(<%= asset_data_uri(''help_sprite.png'') %>);
+    background-image: url(<%= asset_data_uri('help_sprite.png') %>);
     background-repeat:no-repeat;
 }
 .openCheatsheet:hover {
@@ -872,7 +872,7 @@
 .mapInfoIcon {
 	position: relative;
 	top: 56px; /* puts it just offscreen */
-    background-image: url(<%= asset_data_uri(''mapinfo_sprite.png'') %>);
+    background-image: url(<%= asset_data_uri('mapinfo_sprite.png') %>);
     background-repeat:no-repeat;
 }
 .mapInfoIcon:hover {