diff --git a/themes/bootstrap/scss/_common.scss b/themes/bootstrap/scss/_common.scss
index a477a1af20..d8de365623 100644
--- a/themes/bootstrap/scss/_common.scss
+++ b/themes/bootstrap/scss/_common.scss
@@ -934,19 +934,7 @@ li.last.database {
   margin-bottom: 15px;
 }
 
-/* specific elements */
-
-#topmenu {
-  margin-top: 0.5em;
-  padding: 0.1em 0.3em;
-
-  a {
-    text-shadow: 0 1px 0 #fff;
-  }
-}
-
 ul {
-  &#topmenu,
   &#topmenu2,
   &.tabs {
     font-weight: bold;
@@ -961,7 +949,6 @@ ul {
     clear: both;
   }
 
-  &#topmenu li,
   &#topmenu2 li {
     float: left;
     margin: 0;
@@ -969,17 +956,11 @@ ul {
   }
 }
 
-#topmenu img,
 #topmenu2 img {
   margin-#{$right}: 0.5em;
   vertical-align: -3px;
 }
 
-.menucontainer {
-  background: linear-gradient(#fff, #dcdcdc);
-  border-top: 1px solid #aaa;
-}
-
 .scrollindicator {
   display: none;
 }
@@ -1022,64 +1003,6 @@ fieldset.caution a {
 }
 
 ul {
-  &#topmenu {
-    ul {
-      @if $direction == rtl {
-        -moz-box-shadow: -1px 1px 6px #ddd;
-        -webkit-box-shadow: -2px 2px 3px #666;
-        box-shadow: -2px 2px 3px #666;
-      } @else {
-        -moz-box-shadow: 1px 1px 6px #ddd;
-        -webkit-box-shadow: 2px 2px 3px #666;
-        box-shadow: 2px 2px 3px #666;
-      }
-
-      &.only {
-        #{$left}: 0;
-      }
-    }
-
-    > li {
-      border-#{$right}: 1px solid #fff;
-      border-#{$left}: 1px solid #ccc;
-      border-bottom: 1px solid #ccc;
-
-      &:first-child {
-        border-#{$left}: 0;
-      }
-    }
-
-    a,
-    span {
-      padding: 0.6em;
-    }
-
-    ul {
-      a {
-        border-width: 1pt 0 0 0;
-        -moz-border-radius: 0;
-        -webkit-border-radius: 0;
-        border-radius: 0;
-      }
-
-      li:first-child a {
-        border-width: 0;
-      }
-
-      a:hover,
-      .tabactive {
-        text-decoration: none;
-      }
-    }
-
-    > li > {
-      a:hover,
-      .tabactive {
-        text-decoration: none;
-      }
-    }
-  }
-
   &#topmenu2 a {
     &.tab:hover,
     &.tabactive {
@@ -1090,14 +1013,7 @@ ul {
       text-decoration: none;
     }
   }
-
-  // to be able to cancel the bottom border, use <li class="active">
-  &#topmenu > li.active {
-    border-#{$right}: 0;
-    border-bottom-color: #fff;
-  }
 }
-// end topmenu
 
 // zoom search
 div#dataDisplay {
@@ -3866,19 +3782,11 @@ body .ui-dialog {
 
 @media only screen and (max-width: 768px) {
   ul {
-    &#topmenu,
     &.tabs {
       display: flex;
     }
   }
 
-  .navigationbar {
-    display: inline-flex;
-    margin: 0 !important;
-    border-radius: 0 !important;
-    overflow: auto;
-  }
-
   .scrollindicator {
     padding: 5px;
     cursor: pointer;
diff --git a/themes/metro/scss/_common.scss b/themes/metro/scss/_common.scss
index 6f30fa8106..284ba4026b 100644
--- a/themes/metro/scss/_common.scss
+++ b/themes/metro/scss/_common.scss
@@ -897,10 +897,7 @@ td.disabled {
 
 /* specific elements */
 
-/* topmenu */
-
 ul {
-  &#topmenu,
   &#topmenu2 {
     list-style-type: none;
     margin: 0;
@@ -918,7 +915,6 @@ ul {
     clear: both;
   }
 
-  &#topmenu li,
   &#topmenu2 li {
     float: $left;
     margin: 0;
@@ -928,26 +924,15 @@ ul {
   }
 }
 
-#topmenu img,
 #topmenu2 img {
   margin-#{$right}: 0.5em;
   vertical-align: -3px;
 }
 
-.menucontainer {
-  background-color: $th-background;
-  height: 48px;
-}
-
 .scrollindicator {
   display: none;
 }
 
-/* default tab styles */
-#topmenu .tabactive {
-  background: #fff !important;
-}
-
 #topmenu2 .tabactive {
   background: #ccc;
 }
@@ -1033,54 +1018,8 @@ fieldset.caution li {
   }
 }
 
-#topmenu {
-  padding-#{$left}: 20px;
-  padding-#{$right}: 20px;
-}
-
 /* default tab styles */
 ul {
-  &#topmenu {
-    ul.only {
-      #{$left}: 0;
-    }
-
-    a,
-    span {
-      padding: 5px 10px;
-      height: 28px;
-      line-height: 28px;
-      font-family: $font-family-extra-bold;
-      text-transform: uppercase;
-      color: #666;
-      font-weight: normal;
-    }
-
-    ul {
-      a {
-        border-width: 1pt 0 0 0;
-      }
-
-      li:first-child a {
-        border-width: 0;
-      }
-
-      a:hover,
-      .tabactive {
-        text-decoration: none;
-      }
-    }
-
-    /* enabled hover/active tabs */
-    > li > {
-      a:hover,
-      .tabactive {
-        text-decoration: none;
-        color: #333;
-      }
-    }
-  }
-
   &#topmenu2 a {
     text-decoration: none;
 
@@ -1088,11 +1027,6 @@ ul {
       text-decoration: none;
     }
   }
-
-  /* to be able to cancel the bottom border, use <li class="active"> */
-  &#topmenu > li.active {
-    border-#{$right}: 0;
-  }
 }
 
 /* zoom search */
diff --git a/themes/original/scss/_common.scss b/themes/original/scss/_common.scss
index 884eccecdd..63580da2c7 100644
--- a/themes/original/scss/_common.scss
+++ b/themes/original/scss/_common.scss
@@ -683,10 +683,7 @@ li.last.database {
 
 /* specific elements */
 
-/* topmenu */
-
 ul {
-  &#topmenu,
   &#topmenu2,
   &.tabs {
     font-weight: bold;
@@ -701,7 +698,6 @@ ul {
     clear: both;
   }
 
-  &#topmenu li,
   &#topmenu2 li {
     float: $left;
     margin: 0;
@@ -710,7 +706,6 @@ ul {
   }
 }
 
-#topmenu img,
 #topmenu2 img {
   vertical-align: middle;
   margin-#{$right}: 0.1em;
@@ -719,16 +714,6 @@ ul {
 /* default tab styles */
 
 ul {
-  &#topmenu {
-    a,
-    span {
-      display: block;
-      margin: 2px 2px 0;
-      padding: 2px 2px 0;
-      white-space: nowrap;
-    }
-  }
-
   &#topmenu2 a {
     display: block;
     margin: 0.1em;
@@ -756,64 +741,7 @@ fieldset.caution a {
   }
 }
 
-#topmenu {
-  margin-top: 0.5em;
-  padding: 0.1em 0.3em 0.1em 0.3em;
-}
-
 ul {
-  &#topmenu {
-    ul {
-      -moz-box-shadow: 2px 2px 3px #666;
-      -webkit-box-shadow: 2px 2px 3px #666;
-      box-shadow: 2px 2px 3px #666;
-    }
-
-    > li {
-      border-bottom: 1pt solid black;
-    }
-
-    a,
-    span {
-      background-color: $bg-one;
-      border: 0 solid $bg-two;
-      border-width: 1pt 1pt 0 1pt;
-      -moz-border-radius: 0.4em 0.4em 0 0;
-      border-radius: 0.4em 0.4em 0 0;
-    }
-
-    ul {
-      a {
-        border-width: 1pt 0 0 0;
-        -moz-border-radius: 0;
-        border-radius: 0;
-      }
-
-      li:first-child a {
-        border-width: 0;
-      }
-
-      a:hover,
-      .tabactive {
-        text-decoration: none;
-      }
-    }
-
-    > li > {
-      a:hover,
-      .tabactive {
-        margin: 0;
-        padding: 2px 4px;
-        text-decoration: none;
-      }
-    }
-
-    a.tab:hover,
-    .tabactive {
-      background-color: $body-bg;
-    }
-  }
-
   &#topmenu2 a {
     &.tab:hover,
     &.tabactive {
@@ -823,10 +751,6 @@ ul {
       text-decoration: none;
     }
   }
-
-  &#topmenu > li.active {
-    border-bottom: 1pt solid $body-bg;
-  }
 }
 
 /* zoom search */
@@ -3496,19 +3420,11 @@ body {
 
 @media only screen and (max-width: 768px) {
   ul {
-    &#topmenu,
     &.tabs {
       display: flex;
     }
   }
 
-  .navigationbar {
-    display: inline-flex;
-    margin: 0 !important;
-    border-radius: 0 !important;
-    overflow: auto;
-  }
-
   .scrollindicator {
     padding: 5px;
     cursor: pointer;
diff --git a/themes/pmahomme/scss/_common.scss b/themes/pmahomme/scss/_common.scss
index 4bbc9fd41f..ef06e48580 100644
--- a/themes/pmahomme/scss/_common.scss
+++ b/themes/pmahomme/scss/_common.scss
@@ -941,17 +941,7 @@ li.last.database {
 
 /* specific elements */
 
-#topmenu {
-  margin-top: 0.5em;
-  padding: 0.1em 0.3em;
-
-  a {
-    text-shadow: 0 1px 0 #fff;
-  }
-}
-
 ul {
-  &#topmenu,
   &#topmenu2,
   &.tabs {
     font-weight: bold;
@@ -966,7 +956,6 @@ ul {
     clear: both;
   }
 
-  &#topmenu li,
   &#topmenu2 li {
     float: left;
     margin: 0;
@@ -974,17 +963,11 @@ ul {
   }
 }
 
-#topmenu img,
 #topmenu2 img {
   margin-#{$right}: 0.5em;
   vertical-align: -3px;
 }
 
-.menucontainer {
-  background: linear-gradient(#fff, #dcdcdc);
-  border-top: 1px solid #aaa;
-}
-
 .scrollindicator {
   display: none;
 }
@@ -1027,64 +1010,6 @@ fieldset.caution a {
 }
 
 ul {
-  &#topmenu {
-    ul {
-      @if $direction == rtl {
-        -moz-box-shadow: -1px 1px 6px #ddd;
-        -webkit-box-shadow: -2px 2px 3px #666;
-        box-shadow: -2px 2px 3px #666;
-      } @else {
-        -moz-box-shadow: 1px 1px 6px #ddd;
-        -webkit-box-shadow: 2px 2px 3px #666;
-        box-shadow: 2px 2px 3px #666;
-      }
-
-      &.only {
-        #{$left}: 0;
-      }
-    }
-
-    > li {
-      border-#{$right}: 1px solid #fff;
-      border-#{$left}: 1px solid #ccc;
-      border-bottom: 1px solid #ccc;
-
-      &:first-child {
-        border-#{$left}: 0;
-      }
-    }
-
-    a,
-    span {
-      padding: 0.6em;
-    }
-
-    ul {
-      a {
-        border-width: 1pt 0 0 0;
-        -moz-border-radius: 0;
-        -webkit-border-radius: 0;
-        border-radius: 0;
-      }
-
-      li:first-child a {
-        border-width: 0;
-      }
-
-      a:hover,
-      .tabactive {
-        text-decoration: none;
-      }
-    }
-
-    > li > {
-      a:hover,
-      .tabactive {
-        text-decoration: none;
-      }
-    }
-  }
-
   &#topmenu2 a {
     &.tab:hover,
     &.tabactive {
@@ -1095,14 +1020,7 @@ ul {
       text-decoration: none;
     }
   }
-
-  // to be able to cancel the bottom border, use <li class="active">
-  &#topmenu > li.active {
-    border-#{$right}: 0;
-    border-bottom-color: #fff;
-  }
 }
-// end topmenu
 
 // zoom search
 div#dataDisplay {
@@ -3882,19 +3800,11 @@ body .ui-dialog {
 
 @media only screen and (max-width: 768px) {
   ul {
-    &#topmenu,
     &.tabs {
       display: flex;
     }
   }
 
-  .navigationbar {
-    display: inline-flex;
-    margin: 0 !important;
-    border-radius: 0 !important;
-    overflow: auto;
-  }
-
   .scrollindicator {
     padding: 5px;
     cursor: pointer;