diff --git a/src/index.js b/src/index.js
index 94588336f..cfba43396 100644
--- a/src/index.js
+++ b/src/index.js
@@ -13,10 +13,6 @@ import substituteBreakpointAtRules from './lib/substituteBreakpointAtRules'
 import substituteClassApplyAtRules from './lib/substituteClassApplyAtRules'
 
 const plugin = postcss.plugin('tailwind', (options = {}) => {
-  if (_.isFunction(options)) {
-    options = options()
-  }
-
   const config = mergeConfig(defaultConfig, options)
 
   return postcss([