diff --git a/leakcanary/leakcanary-android-core/src/main/java/leakcanary/internal/activity/db/Cursors.kt b/leakcanary/leakcanary-android-core/src/main/java/leakcanary/internal/activity/db/Cursors.kt
index 8e9277520..2793a2af4 100644
--- a/leakcanary/leakcanary-android-core/src/main/java/leakcanary/internal/activity/db/Cursors.kt
+++ b/leakcanary/leakcanary-android-core/src/main/java/leakcanary/internal/activity/db/Cursors.kt
@@ -6,7 +6,7 @@ import kotlin.concurrent.getOrSet
 
 /**
  * Similar to the more generic use() for Closable.
- * Cursor implements Closable on all supported API levels (21+).
+ * Cursor implements Closable on all supported API levels (26+).
  */
 internal inline fun <R> Cursor.use(block: (Cursor) -> R): R {
   var exception: Throwable? = null
diff --git a/plumber/plumber-android-core/src/main/java/leakcanary/AndroidLeakFixes.kt b/plumber/plumber-android-core/src/main/java/leakcanary/AndroidLeakFixes.kt
index f223ad44b..bd8a00e97 100644
--- a/plumber/plumber-android-core/src/main/java/leakcanary/AndroidLeakFixes.kt
+++ b/plumber/plumber-android-core/src/main/java/leakcanary/AndroidLeakFixes.kt
@@ -1,7 +1,6 @@
 package leakcanary
 
 import android.annotation.SuppressLint
-import android.annotation.TargetApi
 import android.app.Activity
 import android.app.Application
 import android.content.Context
@@ -49,9 +48,8 @@ enum class AndroidLeakFixes {
    */
   MEDIA_SESSION_LEGACY_HELPER {
     override fun apply(application: Application) {
-      if (SDK_INT != 21) {
-        return
-      }
+      // This fix was only needed for API 21, minimum SDK is now 26+
+      return
       backgroundHandler.post {
         try {
           val clazz = Class.forName("android.media.session.MediaSessionLegacyHelper")
@@ -246,9 +244,8 @@ enum class AndroidLeakFixes {
    */
   CONNECTIVITY_MANAGER {
     override fun apply(application: Application) {
-      if (SDK_INT > 23) {
-        return
-      }
+      // This fix was only needed for API ≤23, minimum SDK is now 26+
+      return
 
       try {
         application.getSystemService(Context.CONNECTIVITY_SERVICE)
@@ -353,9 +350,8 @@ enum class AndroidLeakFixes {
    */
   ACTIVITY_MANAGER {
     override fun apply(application: Application) {
-      if (MANUFACTURER != SAMSUNG || SDK_INT != 22) {
-        return
-      }
+      // This fix was only needed for Samsung API 22, minimum SDK is now 26+
+      return
 
       backgroundHandler.post {
         val contextField: Field
@@ -416,15 +412,10 @@ enum class AndroidLeakFixes {
    * the reference to the detached view with a reference to the decor view.
    */
   IMM_FOCUSED_VIEW {
-    // mServedView should not be accessed on API 29+. Make this clear to Lint with the
-    // TargetApi annotation.
-    @TargetApi(23)
     @SuppressLint("PrivateApi")
     override fun apply(application: Application) {
-      // Fixed in API 24.
-      if (SDK_INT > 23) {
-        return
-      }
+      // This fix was only needed for API ≤23, minimum SDK is now 26+
+      return
       val inputMethodManager =
         application.getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
       val mServedViewField: Field
@@ -612,12 +603,10 @@ enum class AndroidLeakFixes {
    * https://android.googlesource.com/platform/frameworks/base/+/marshmallow-release/core/java/android/view/ViewRootImpl.java
    */
   SPELL_CHECKER {
-    @TargetApi(23)
     @SuppressLint("PrivateApi")
     override fun apply(application: Application) {
-      if (SDK_INT != 23) {
-        return
-      }
+      // This fix was only needed for API 23, minimum SDK is now 26+
+      return
 
       try {
         val textServiceClass = TextServicesManager::class.java
diff --git a/plumber/plumber-android-core/src/main/java/leakcanary/FixedWindowCallback.java b/plumber/plumber-android-core/src/main/java/leakcanary/FixedWindowCallback.java
index 533d4e7be..957d5091b 100644
--- a/plumber/plumber-android-core/src/main/java/leakcanary/FixedWindowCallback.java
+++ b/plumber/plumber-android-core/src/main/java/leakcanary/FixedWindowCallback.java
@@ -105,7 +105,6 @@ class FixedWindowCallback implements Window.Callback {
     return delegate.onSearchRequested();
   }
 
-  @RequiresApi(23)
   @Override public boolean onSearchRequested(SearchEvent searchEvent) {
     return delegate.onSearchRequested(searchEvent);
   }
@@ -114,7 +113,7 @@ class FixedWindowCallback implements Window.Callback {
     return delegate.onWindowStartingActionMode(callback);
   }
 
-  @RequiresApi(23) @Nullable @Override
+  @Nullable @Override
   public ActionMode onWindowStartingActionMode(ActionMode.Callback callback,
       int type) {
     return delegate.onWindowStartingActionMode(callback, type);
@@ -128,13 +127,11 @@ class FixedWindowCallback implements Window.Callback {
     delegate.onActionModeFinished(mode);
   }
 
-  @RequiresApi(24)
   @Override public void onProvideKeyboardShortcuts(List<KeyboardShortcutGroup> data,
       @Nullable Menu menu, int deviceId) {
     delegate.onProvideKeyboardShortcuts(data, menu, deviceId);
   }
 
-  @RequiresApi(26)
   @Override public void onPointerCaptureChanged(boolean hasCapture) {
     delegate.onPointerCaptureChanged(hasCapture);
   }