diff --git a/app/build.gradle b/app/build.gradle
index 667380c4..adb24550 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,7 +8,7 @@ android {
     buildToolsVersion '27.0.3'
     defaultConfig {
         applicationId "com.keylesspalace.tusky"
-        minSdkVersion 18
+        minSdkVersion 19
         targetSdkVersion 27
         versionCode 34
         versionName "1.5.2"
diff --git a/app/src/main/java/com/keylesspalace/tusky/ComposeActivity.java b/app/src/main/java/com/keylesspalace/tusky/ComposeActivity.java
index 151e82ff..d6529c8d 100644
--- a/app/src/main/java/com/keylesspalace/tusky/ComposeActivity.java
+++ b/app/src/main/java/com/keylesspalace/tusky/ComposeActivity.java
@@ -31,7 +31,6 @@ import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.AsyncTask;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Parcel;
@@ -972,20 +971,12 @@ public final class ComposeActivity
     }
 
     private void initiateMediaPicking() {
-        Intent intent;
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
-        } else {
-            intent = new Intent(Intent.ACTION_GET_CONTENT);
-        }
+        Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
         intent.addCategory(Intent.CATEGORY_OPENABLE);
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
-            intent.setType("image/* video/*");
-        } else {
-            String[] mimeTypes = new String[]{"image/*", "video/*"};
-            intent.setType("*/*");
-            intent.putExtra(Intent.EXTRA_MIME_TYPES, mimeTypes);
-        }
+
+        String[] mimeTypes = new String[]{"image/*", "video/*"};
+        intent.setType("*/*");
+        intent.putExtra(Intent.EXTRA_MIME_TYPES, mimeTypes);
         startActivityForResult(intent, MEDIA_PICK_RESULT);
     }
 
@@ -1283,7 +1274,7 @@ public final class ComposeActivity
         super.onActivityResult(requestCode, resultCode, intent);
         if (resultCode == RESULT_OK && requestCode == MEDIA_PICK_RESULT && intent != null) {
             Uri uri = intent.getData();
-            if (uri != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            if (uri != null) {
                 // this is necessary so the SendTootService can access the uri later
                 final int takeFlags = intent.getFlags() & Intent.FLAG_GRANT_READ_URI_PERMISSION;
                 getContentResolver().takePersistableUriPermission(uri, takeFlags);
diff --git a/app/src/main/java/com/keylesspalace/tusky/adapter/StatusViewHolder.java b/app/src/main/java/com/keylesspalace/tusky/adapter/StatusViewHolder.java
index db5c80f7..f18e3c7b 100644
--- a/app/src/main/java/com/keylesspalace/tusky/adapter/StatusViewHolder.java
+++ b/app/src/main/java/com/keylesspalace/tusky/adapter/StatusViewHolder.java
@@ -17,7 +17,6 @@ package com.keylesspalace.tusky.adapter;
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.os.Build;
 import android.support.annotation.Nullable;
 import android.view.View;
 import android.widget.ImageView;
@@ -52,11 +51,8 @@ public class StatusViewHolder extends StatusBaseViewHolder {
         Context context = avatar.getContext();
         boolean hasReblog = rebloggedUrl != null && !rebloggedUrl.isEmpty();
         int padding = hasReblog ? Utils.dpToPx(context, 12) : 0;
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            avatar.setPaddingRelative(0, 0, padding, padding);
-        } else {
-            avatar.setPadding(0, 0, padding, padding);
-        }
+
+        avatar.setPaddingRelative(0, 0, padding, padding);
 
         if (hasReblog) {
             avatarReblog.setVisibility(View.VISIBLE);
diff --git a/app/src/main/java/com/keylesspalace/tusky/util/NotificationHelper.java b/app/src/main/java/com/keylesspalace/tusky/util/NotificationHelper.java
index 5c4530df..858dc6e1 100644
--- a/app/src/main/java/com/keylesspalace/tusky/util/NotificationHelper.java
+++ b/app/src/main/java/com/keylesspalace/tusky/util/NotificationHelper.java
@@ -89,21 +89,18 @@ public class NotificationHelper {
             currentNotifications = new JSONArray();
         }
 
-        boolean alreadyContains = false;
-
         for (int i = 0; i < currentNotifications.length(); i++) {
             try {
                 if (currentNotifications.getString(i).equals(body.getAccount().getName())) {
-                    alreadyContains = true;
+                    currentNotifications.remove(i);
+                    break;
                 }
             } catch (JSONException e) {
                 Log.d(TAG, Log.getStackTraceString(e));
             }
         }
 
-        if (!alreadyContains) {
-            currentNotifications.put(body.getAccount().getName());
-        }
+        currentNotifications.put(body.getAccount().getName());
 
         account.setActiveNotifications(currentNotifications.toString());