diff --git a/packages/themes/styles/scss/labkey/_gwt.scss b/packages/themes/styles/scss/labkey/_gwt.scss
deleted file mode 100644
index 455b9af295..0000000000
--- a/packages/themes/styles/scss/labkey/_gwt.scss
+++ /dev/null
@@ -1,180 +0,0 @@
-.gwt-ToolTip {
-  background-color: black;
-  opacity: 0.9;
-  color: $white;
-  font-size: 10pt;
-  font-family: $lk-body-font-family;
-  padding: 2px 4px;
-  border: solid 1px #AAAAAA;
-  border-radius: $border-radius-small;
-}
-
-.dialogMiddleCenter {
-  padding: 5px;
-}
-
-.gwt-DialogBox {
-  border: 4px solid $lk-theme-dark-accent;
-  background-color: $white;
-  box-shadow: 0 6px 10px 0 rgba(0, 0, 0, 0.25), 0 6px 20px 0 rgba(0, 0, 0, 0.22);
-
-  .Caption {
-    background-color: $lk-primary-bg-color;
-    border-bottom: 1px solid $lk-theme-dark-accent;
-    padding: 3px;
-    font-weight: bold;
-    cursor: default;
-  }
-}
-
-.editor-property-dock {
-  .x-tab-panel-body.x-tab-panel-body-top {
-    background-color: #eeeeee;
-    padding: 10px;
-  }
-}
-
-.gwt-HorizontalSplitter .Bar {
-  width: 8px;
-  background-color: #89A1B4;
-}
-
-.gwt-VerticalSplitter .Bar {
-  height: 8px;
-  background-color: #89A1B4;
-}
-
-.gwt-MenuBar {
-  background-color: $lk-grid-color;
-  border: 1px solid #89A1B4;
-  cursor: default;
-
-  .gwt-MenuItem {
-    padding: 1px 4px;
-    font-size: 8pt;
-    cursor: default;
-  }
-
-  .gwt-MenuItem-selected {
-    background-color: #89A1B4;
-  }
-}
-
-.gwt-ProgressBar-shell {
-  border: 2px solid #faf9f7;
-  border-right: 2px solid #848280;
-  border-bottom: 2px solid #848280;
-  background-color: #AAAAAA;
-  height: 14pt;
-  width: 300px;
-
-  .gwt-ProgressBar-bar {
-    background-color: #67A7E3;
-  }
-
-  .gwt-ProgressBar-text {
-    padding: 0;
-    margin: 0;
-    color: #FFFFFF;
-  }
-}
-
-.gwt-PushButton {
-  cursor: pointer;
-}
-
-.gwt-FontImage {
-  font-size: 18px;
-}
-
-.gwt-PushButton-up-disabled
-{
-  cursor: default;
-  filter:alpha(opacity=50);
-  opacity: 0.5;
-}
-
-.gwt-Tree .gwt-TreeItem {
-  font-size: 8pt;
-}
-
-.gwt-Tree .gwt-TreeItem-selected {
-  font-weight:bold;
-}
-
-.gwt-StackPanel .gwt-StackPanelItem {
-  background-color: $lk-grid-color;
-  cursor: pointer;
-}
-
-.gwt-ButtonBar {
-  padding: 4px 0;
-  border-collapse: separate;
-  border-spacing: 2px;
-}
-
-.gwt-TabPanel {
-  td {
-    padding: 0;
-  }
-}
-
-.gwt-TabPanelBottom {
-  padding: 10px;
-  border: 1px solid #b4b4b4;
-  td {
-    padding: 2px;
-  }
-}
-
-.gwt-TabBar {
-  font-weight: bold;
-
-  .gwt-TabBarFirst {
-    padding-left: 3px;
-  }
-
-  .gwt-TabBarRest {
-    padding-right: 3px;
-  }
-
-  .gwt-TabBarItem {
-    border-top: 1px solid #b4b4b4;
-    border-left: 1px solid #b4b4b4;
-    border-right: 1px solid #b4b4b4;
-    margin-right: 6px;
-    padding: 4px 7px;
-    cursor: pointer;
-    background-color: #f4f4f4;
-    opacity: 0.7;
-
-    &:hover {
-      opacity: 1;
-    }
-  }
-
-  .gwt-TabBarItem-selected {
-    padding: 4px 7px;
-    margin-right: 6px;
-    cursor: default;
-    background: transparent;
-    opacity: 1;
-    border-top: 2px solid $lk-theme-light-accent;
-    div {
-      font-weight: bold;
-    }
-  }
-}
-
-.gwt-label label, .gwt-RadioButton label {
-  font-weight: normal;
-}
-
-.selected-field-row {
-  background-color: #EEEEEE;
-}
-
-// 31318: This "Ext 3" class is applied by GWT components only
-.x-modal {
-  display: none !important;
-}
\ No newline at end of file
diff --git a/packages/themes/styles/scss/labkey/_labkey.scss b/packages/themes/styles/scss/labkey/_labkey.scss
index 0767740e3a..ad053be219 100644
--- a/packages/themes/styles/scss/labkey/_labkey.scss
+++ b/packages/themes/styles/scss/labkey/_labkey.scss
@@ -1040,7 +1040,6 @@ div.labkey-webpart-menu div.labkey-wiki p {
 }
 
 @import "components/knitr";
-@import "gwt";
 
 /* Create Chart View */
 table.chart-preview td {