--- a/devtools/client/jar.mn
+++ b/devtools/client/jar.mn
@@ -185,17 +185,16 @@ devtools.jar:
     skin/images/editor-error.png (themes/images/editor-error.png)
     skin/images/breakpoint.svg (themes/images/breakpoint.svg)
     skin/webconsole.css (themes/webconsole.css)
     skin/images/webconsole.svg (themes/images/webconsole.svg)
     skin/images/breadcrumbs-divider@2x.png (themes/images/breadcrumbs-divider@2x.png)
     skin/images/breadcrumbs-scrollbutton.png (themes/images/breadcrumbs-scrollbutton.png)
     skin/images/breadcrumbs-scrollbutton@2x.png (themes/images/breadcrumbs-scrollbutton@2x.png)
     skin/animationinspector.css (themes/animationinspector.css)
-    skin/eyedropper.css (themes/eyedropper.css)
     skin/canvasdebugger.css (themes/canvasdebugger.css)
     skin/debugger.css (themes/debugger.css)
     skin/netmonitor.css (themes/netmonitor.css)
     skin/dom.css (themes/dom.css)
     skin/performance.css (themes/performance.css)
     skin/memory.css (themes/memory.css)
     skin/promisedebugger.css (themes/promisedebugger.css)
     skin/scratchpad.css (themes/scratchpad.css)

deleted file mode 100644
--- a/devtools/client/themes/eyedropper.css
+++ /dev/null
@@ -1,47 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#canvas {
-  image-rendering: -moz-crisp-edges;
-  cursor: none;
-  border: 3px solid #E0E0E0;
-  border-radius: 50%;
-}
-
-#canvas-overflow {
-  overflow: hidden;
-  width: 96px;
-  height: 96px;
-}
-
-#color-preview {
-  width: 16px;
-  height: 16px;
-  box-shadow: 0px 0px 0px black;
-  border: solid 1px #fff;
-  margin: 3px;
-}
-
-#color-value-box {
-  background-color: #E0E0E0;
-  border-radius: 1px;
-  width: 150px;
-}
-
-#color-value {
-  /* avoid the # appearing at the end for some colours in RTL locales */
-  direction: ltr;
-  padding: 0.3em;
-  text-shadow: 1px 1px 1px #fff;
-}
-
-#color-value.highlight {
-  font-family: inherit;
-}
-
-window {
-  /* inexplicably, otherwise background shows up on Linux */
-  border: 1px solid transparent;
-  background-color: transparent;
-}