diff --git a/app/src/main/kotlin/com/simplemobiletools/calculator/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calculator/activities/MainActivity.kt
index aef91942..b24d2a2e 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calculator/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calculator/activities/MainActivity.kt
@@ -84,7 +84,6 @@ class MainActivity : SimpleActivity(), Calculator {
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.menu, menu)
-        menu.findItem(R.id.scientific_calculator).isVisible = false // not implemented yet
         return true
     }
 
@@ -92,7 +91,6 @@ class MainActivity : SimpleActivity(), Calculator {
         when (item.itemId) {
             R.id.settings -> launchSettings()
             R.id.about -> launchAbout()
-            R.id.scientific_calculator -> launchScientific()
             else -> return super.onOptionsItemSelected(item)
         }
         return true
@@ -114,10 +112,6 @@ class MainActivity : SimpleActivity(), Calculator {
         startActivity(Intent(applicationContext, SettingsActivity::class.java))
     }
 
-    private fun launchScientific() {
-        startActivity(Intent(applicationContext, ScientificActivity::class.java))
-    }
-
     private fun launchAbout() {
         val licenses = LICENSE_AUTOFITTEXTVIEW or LICENSE_ROBOLECTRIC or LICENSE_ESPRESSO
 
diff --git a/app/src/main/res/menu/menu.xml b/app/src/main/res/menu/menu.xml
index 4c55f4e9..815619cd 100644
--- a/app/src/main/res/menu/menu.xml
+++ b/app/src/main/res/menu/menu.xml
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:app="http://schemas.android.com/apk/res-auto">
-    <item
-        android:id="@+id/scientific_calculator"
-        android:title="@string/scientific_calculator"
-        app:showAsAction="never"/>
     <item
         android:id="@+id/settings"
         android:title="@string/settings"
diff --git a/build.gradle b/build.gradle
index 54de8dab..7eef3927 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,6 @@
 
 buildscript {
     ext.kotlin_version = '1.3.61'
-
     repositories {
         google()
         jcenter()