diff --git a/frontend/resources/styles/main/layouts/viewer.scss b/frontend/resources/styles/main/layouts/viewer.scss
index ea6bf998a..8f120296f 100644
--- a/frontend/resources/styles/main/layouts/viewer.scss
+++ b/frontend/resources/styles/main/layouts/viewer.scss
@@ -1,6 +1,6 @@
 .viewer-layout {
   display: grid;
-  grid-template-rows: 40px auto;
+  grid-template-rows: 48px auto;
   grid-template-columns: 1fr;
   user-select: none;
 
diff --git a/frontend/resources/styles/main/partials/dashboard-sidebar.scss b/frontend/resources/styles/main/partials/dashboard-sidebar.scss
index cc2250e3f..2c4a0b8d1 100644
--- a/frontend/resources/styles/main/partials/dashboard-sidebar.scss
+++ b/frontend/resources/styles/main/partials/dashboard-sidebar.scss
@@ -167,7 +167,6 @@
       padding: $size-2;
 
       svg {
-        border-radius: 3px;
         fill: $color-black;
         margin-right: 8px;
         height: $size-3;
diff --git a/frontend/resources/styles/main/partials/viewer-header.scss b/frontend/resources/styles/main/partials/viewer-header.scss
index 21c1e75c7..9e8449c46 100644
--- a/frontend/resources/styles/main/partials/viewer-header.scss
+++ b/frontend/resources/styles/main/partials/viewer-header.scss
@@ -3,7 +3,7 @@
   background-color: $color-gray-50;
   border-bottom: 1px solid  $color-gray-60;
   display: flex;
-  height: 40px;
+  height: 48px;
   padding: 0 $medium 0 55px;
   position: relative;
   z-index: 12;
@@ -23,7 +23,7 @@
     left: 0;
     position: absolute;
     top: 0;
-    width: 40px;
+    width: 48px;
 
     a {
       height: 30px;
@@ -123,7 +123,7 @@
       align-items: center;
 
       height: 100%;
-      width: 40px;
+      width: 48px;
 
       svg {
         fill: $color-gray-20;
diff --git a/frontend/src/app/main/ui/icons.cljs b/frontend/src/app/main/ui/icons.cljs
index d871be38b..42ce72844 100644
--- a/frontend/src/app/main/ui/icons.cljs
+++ b/frontend/src/app/main/ui/icons.cljs
@@ -65,7 +65,6 @@
 (def line-height (icon-xref :line-height))
 (def loader (icon-xref :loader))
 (def lock (icon-xref :lock))
-(def lock-open (icon-xref :lock-open))
 (def logo (icon-xref :uxbox-logo))
 (def logo-icon (icon-xref :uxbox-logo-icon))
 (def logout (icon-xref :logout))
@@ -140,7 +139,6 @@
 (def unchain (icon-xref :unchain))
 (def underline (icon-xref :underline))
 (def undo (icon-xref :undo))
-(def undo-history (icon-xref :undo-history))
 (def ungroup (icon-xref :ungroup))
 (def unlock (icon-xref :unlock))
 (def uppercase (icon-xref :uppercase))