diff --git a/src/index.js b/src/index.js
deleted file mode 100644
index da4bbf6..0000000
--- a/src/index.js
+++ /dev/null
@@ -1,23 +0,0 @@
-/** @module devtools-theme-pure-void */
-
-/**
- * @function
- * @param {number} [compareValue]
- * @returns {number} Seconds passed since Unix epoch (01 January 1970)
- * @example
- * import devtoolsThemePureVoid from "devtools-theme-pure-void"
- * const result = devtoolsThemePureVoid()
- * result === 1549410770
- * setTimeout(() => {
- *   const result2 = devtoolsThemePureVoid(result)
- *   result2 === 3
- * }, 3000)
- */
-export default compareValue => {
-  const seconds = Math.floor(Date.now() / 1000)
-  if (compareValue === undefined) {
-    return seconds
-  } else {
-    return seconds - compareValue
-  }
-}
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