diff --git a/lib/gui.js b/lib/gui.js
index a8faab2..8def2fd 100644
--- a/lib/gui.js
+++ b/lib/gui.js
@@ -63,7 +63,7 @@ function (d3Interpolate, Map, Sidebar, Tabs, Container, Legend, Linklist,
     contentDiv.appendChild(buttons);
 
     var buttonToggle = document.createElement('button');
-    buttonToggle.classList.add('ion-eye', 'shadow');
+    buttonToggle.classList.add('ion-eye');
     buttonToggle.setAttribute('data-tooltip', _.t('button.switchView'));
     buttonToggle.onclick = function onclick() {
       var data;
diff --git a/lib/map/button.js b/lib/map/button.js
index e2199e4..aee508c 100644
--- a/lib/map/button.js
+++ b/lib/map/button.js
@@ -28,7 +28,7 @@ define(['map/clientlayer', 'map/labellayer', 'leaflet', 'map/locationmarker'],
 
     var LocateButton = ButtonBase.extend({
       onAdd: function () {
-        var button = L.DomUtil.create('button', 'ion-locate shadow');
+        var button = L.DomUtil.create('button', 'ion-locate');
         button.setAttribute('data-tooltip', _.t('button.tracking'));
         L.DomEvent.disableClickPropagation(button);
         L.DomEvent.addListener(button, 'click', this.onClick, this);
@@ -45,7 +45,7 @@ define(['map/clientlayer', 'map/labellayer', 'leaflet', 'map/locationmarker'],
 
     var CoordsPickerButton = ButtonBase.extend({
       onAdd: function () {
-        var button = L.DomUtil.create('button', 'ion-pin shadow');
+        var button = L.DomUtil.create('button', 'ion-pin');
         button.setAttribute('data-tooltip', _.t('button.location'));
 
         // Click propagation isn't disabled as this causes problems with the
diff --git a/lib/sidebar.js b/lib/sidebar.js
index d9742fb..b252126 100644
--- a/lib/sidebar.js
+++ b/lib/sidebar.js
@@ -17,7 +17,7 @@ define(function () {
     var button = document.createElement('button');
     sidebar.appendChild(button);
 
-    button.classList.add('sidebarhandle', 'shadow');
+    button.classList.add('sidebarhandle');
     button.onclick = function onclick() {
       sidebar.classList.toggle('hidden');
     };
diff --git a/scss/main.scss b/scss/main.scss
index 5af40ee..351edeb 100644
--- a/scss/main.scss
+++ b/scss/main.scss
@@ -3,7 +3,6 @@
 @import 'custom/variables';
 
 // Mixins
-@import 'mixins/shadow';
 @import 'mixins/icon';
 @import 'mixins/font';
 
diff --git a/scss/mixins/_shadow.scss b/scss/mixins/_shadow.scss
deleted file mode 100644
index 1275832..0000000
--- a/scss/mixins/_shadow.scss
+++ /dev/null
@@ -1,14 +0,0 @@
-// Original is in LESS and can be found here: https://gist.github.com/gefangenimnetz/3ef3e18364edf105c5af
-@mixin shadow($level: 1) {
-  @if $level == 1 {
-    box-shadow: 0 1px 3px transparentize($color-black, .88), 0 1px 2px transparentize($color-black, .76);
-  } @else if $level == 2 {
-    box-shadow: 0 3px 6px transparentize($color-black, .84), 0 3px 6px transparentize($color-black, .77);
-  } @else if $level == 3 {
-    box-shadow: 0 10px 20px transparentize($color-black, .81), 0 6px 6px transparentize($color-black, .77);
-  } @else if $level == 4 {
-    box-shadow: 0 14px 28px transparentize($color-black, .75), 0 10px 10px transparentize($color-black, .78);
-  } @else if $level == 5 {
-    box-shadow: 0 19px 38px transparentize($color-black, .7), 0 15px 12px transparentize($color-black, .78);
-  }
-}
diff --git a/scss/modules/_button.scss b/scss/modules/_button.scss
index 21a7cb5..4df73b5 100644
--- a/scss/modules/_button.scss
+++ b/scss/modules/_button.scss
@@ -37,20 +37,6 @@ button {
     color: $color-primary;
   }
 
-  @if $shadows == 1 {
-    &.shadow {
-      @include shadow(1);
-
-      &:hover {
-        @include shadow(2);
-      }
-
-      &:active {
-        box-shadow: inset 0 5px 20px transparentize($color-black, .81), inset 0 3px 6px transparentize($color-black, .77);
-      }
-    }
-  }
-
   // Tooltip
   &[data-tooltip] {
     &::after {
@@ -78,9 +64,6 @@ button {
   &.close {
     background-color: transparent;
     border-radius: 0;
-    @if $shadows == 1 {
-      box-shadow: none;
-    }
     color: transparentize($color-black, .5);
     float: right;
     font-size: $button-font-size;
diff --git a/scss/modules/_sidebar.scss b/scss/modules/_sidebar.scss
index bc021f3..cbb13f1 100644
--- a/scss/modules/_sidebar.scss
+++ b/scss/modules/_sidebar.scss
@@ -64,12 +64,8 @@
   }
 
   .container {
-    @if $shadows == 1 {
-      @include shadow(2);
-    } @else {
-      border-right: 1px solid darken($color-white, 10%);
-    }
     background: transparentize($color-white, .03);
+    border-right: 1px solid darken($color-white, 10%);
     min-height: 100vh;
     overflow-y: visible;
 
@@ -91,9 +87,6 @@
     .container,
     .infobox {
       border-radius: 0;
-      @if $shadows == 1 {
-        box-shadow: none;
-      }
       margin: 0;
     }
   }
@@ -120,7 +113,7 @@
   left: $sidebar-width + 2 * $button-distance;
   position: fixed;
   top: $button-distance;
-  transition: left .5s, box-shadow .5s, color .5s, transform .5s;
+  transition: left .5s, color .5s, transform .5s;
   z-index: 1010;
 
   &::after {
diff --git a/scss/modules/_tabs.scss b/scss/modules/_tabs.scss
index 2065139..ee21caf 100644
--- a/scss/modules/_tabs.scss
+++ b/scss/modules/_tabs.scss
@@ -1,11 +1,7 @@
 .tabs {
-  @if $shadows == 1 {
-    @include shadow(1);
-  } @else {
-    border: 0 solid darken($color-white, 10%);
-    border-bottom-width: 1px;
-  }
   background: transparentize($color-black, .98);
+  border: 0 solid darken($color-white, 10%);
+  border-bottom-width: 1px;
   display: flex;
   display: -webkit-flex; // sass-lint:disable-line no-vendor-prefixes no-duplicate-properties
   list-style: none;
diff --git a/scss/modules/_variables.scss b/scss/modules/_variables.scss
index 6e405eb..8992af2 100644
--- a/scss/modules/_variables.scss
+++ b/scss/modules/_variables.scss
@@ -43,8 +43,5 @@ $grid-breakpoints: (
 $sidebar-width: map-get($grid-breakpoints, xl) * .45 !default;
 $sidebar-width-small: map-get($grid-breakpoints, lg) * .45 !default;
 
-// En/disable box-shadows
-$shadows: 0 !default;
-
 // En/disable included font
 $use-included-font: 1 !default;
diff --git a/scss/night.scss b/scss/night.scss
index e942057..38a7adf 100644
--- a/scss/night.scss
+++ b/scss/night.scss
@@ -1,4 +1,4 @@
-// Overwrite normal style (colors) - shadows are ignored
+// Overwrite normal style (colors)
 @import 'modules/variables';
 @import 'custom/variables';