diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d952d2..248a5b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,6 +44,8 @@
 
 - Closing #236. New sources can be added in Selfoss 2.19.
 
+- Dropped support for android 4, the last version supporting it is v1721030811
+
 **1.6.x**
 
 - Handling hidden tags.
diff --git a/app/build.gradle b/app/build.gradle
index 2b69397..4131a62 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -45,7 +45,7 @@ android {
     }
     defaultConfig {
         applicationId "apps.amine.bou.readerforselfoss"
-        minSdkVersion 16
+        minSdkVersion 21
         targetSdkVersion 31
         versionCode versionCodeFromGit()
         versionName versionNameFromGit()
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/AddSourceActivity.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/AddSourceActivity.kt
index f3e8e10..ad2bb5d 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/AddSourceActivity.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/AddSourceActivity.kt
@@ -2,7 +2,6 @@ package apps.amine.bou.readerforselfoss
 
 import android.content.Context
 import android.content.Intent
-import android.os.Build
 import android.os.Bundle
 import androidx.preference.PreferenceManager
 import androidx.constraintlayout.widget.ConstraintLayout
@@ -50,38 +49,24 @@ class AddSourceActivity : AppCompatActivity() {
 
         val scoop = Scoop.getInstance()
         scoop.bind(this, Toppings.PRIMARY.value, binding.toolbar)
-        if  (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            scoop.bindStatusBar(this, Toppings.PRIMARY_DARK.value)
-        }
+        scoop.bindStatusBar(this, Toppings.PRIMARY_DARK.value)
 
         val drawable = binding.nameInput.background
         drawable.setColorFilter(appColors.colorAccent, PorterDuff.Mode.SRC_ATOP)
 
 
         // TODO: clean
-        if(Build.VERSION.SDK_INT > 16) {
-            binding.nameInput.background = drawable
-        } else{
-            binding.nameInput.setBackgroundDrawable(drawable)
-        }
+        binding.nameInput.background = drawable
 
         val drawable1 = binding.sourceUri.background
         drawable1.setColorFilter(appColors.colorAccent, PorterDuff.Mode.SRC_ATOP)
 
-        if(Build.VERSION.SDK_INT > 16) {
-            binding.sourceUri.background = drawable1
-        } else{
-            binding.sourceUri.setBackgroundDrawable(drawable1)
-        }
+        binding.sourceUri.background = drawable1
 
         val drawable2 = binding.tags.background
         drawable2.setColorFilter(appColors.colorAccent, PorterDuff.Mode.SRC_ATOP)
 
-        if(Build.VERSION.SDK_INT > 16) {
-            binding.tags.background = drawable2
-        } else{
-            binding.tags.setBackgroundDrawable(drawable2)
-        }
+        binding.tags.background = drawable2
 
         setSupportActionBar(binding.toolbar)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt
index 13f4048..9bb9c48 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt
@@ -7,7 +7,6 @@ import android.graphics.Color
 import android.graphics.drawable.Drawable
 import android.graphics.drawable.GradientDrawable
 import android.net.Uri
-import android.os.Build
 import android.os.Bundle
 import androidx.preference.PreferenceManager
 import android.view.Menu
@@ -436,9 +435,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
     private fun handleThemeBinding() {
         val scoop = Scoop.getInstance()
         scoop.bind(this, Toppings.PRIMARY.value, binding.toolBar)
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            scoop.bindStatusBar(this, Toppings.PRIMARY_DARK.value)
-        }
+        scoop.bindStatusBar(this, Toppings.PRIMARY_DARK.value)
     }
 
     private fun handleThemeUpdate() {
@@ -446,9 +443,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
         val scoop = Scoop.getInstance()
         scoop.update(Toppings.PRIMARY.value, appColors.colorPrimary)
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            scoop.update(Toppings.PRIMARY_DARK.value, appColors.colorPrimaryDark)
-        }
+        scoop.update(Toppings.PRIMARY_DARK.value, appColors.colorPrimaryDark)
     }
 
     private fun handleDrawer() {
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/ReaderActivity.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/ReaderActivity.kt
index 8837081..6a23c55 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/ReaderActivity.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/ReaderActivity.kt
@@ -85,9 +85,7 @@ class ReaderActivity : AppCompatActivity() {
 
         val scoop = Scoop.getInstance()
         scoop.bind(this, Toppings.PRIMARY.value, binding.toolBar)
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            scoop.bindStatusBar(this, Toppings.PRIMARY_DARK.value)
-        }
+        scoop.bindStatusBar(this, Toppings.PRIMARY_DARK.value)
 
         setSupportActionBar(binding.toolBar)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/SourcesActivity.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/SourcesActivity.kt
index 492f22c..b6453a3 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/SourcesActivity.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/SourcesActivity.kt
@@ -3,7 +3,6 @@ package apps.amine.bou.readerforselfoss
 import android.content.Context
 import android.content.Intent
 import android.content.res.ColorStateList
-import android.os.Build
 import android.os.Bundle
 import androidx.preference.PreferenceManager
 import androidx.appcompat.app.AppCompatActivity
@@ -38,9 +37,7 @@ class SourcesActivity : AppCompatActivity() {
 
         val scoop = Scoop.getInstance()
         scoop.bind(this, Toppings.PRIMARY.value, binding.toolbar)
-        if  (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            scoop.bindStatusBar(this, Toppings.PRIMARY_DARK.value)
-        }
+        scoop.bindStatusBar(this, Toppings.PRIMARY_DARK.value)
 
         setSupportActionBar(binding.toolbar)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ArticleFragment.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ArticleFragment.kt
index 0514036..d0ba5bb 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ArticleFragment.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ArticleFragment.kt
@@ -9,7 +9,6 @@ import android.graphics.Bitmap
 import android.graphics.Typeface
 import android.graphics.drawable.ColorDrawable
 import android.net.Uri
-import android.os.Build
 import android.os.Bundle
 import androidx.preference.PreferenceManager
 import android.view.*
@@ -474,12 +473,8 @@ class ArticleFragment : Fragment() {
 
         binding.webcontent.setOnTouchListener { _, event -> gestureDetector.onTouchEvent(event)}
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            binding.webcontent.settings.layoutAlgorithm =
-                    WebSettings.LayoutAlgorithm.TEXT_AUTOSIZING
-        } else {
-            binding.webcontent.settings.layoutAlgorithm = WebSettings.LayoutAlgorithm.SINGLE_COLUMN
-        }
+        binding.webcontent.settings.layoutAlgorithm =
+                WebSettings.LayoutAlgorithm.TEXT_AUTOSIZING
 
         var baseUrl: String? = null