diff --git a/src/main/java/com/android/tools/r8/ir/optimize/classinliner/InlineCandidateProcessor.java b/src/main/java/com/android/tools/r8/ir/optimize/classinliner/InlineCandidateProcessor.java
index ade48f3..7754a14 100644
--- a/src/main/java/com/android/tools/r8/ir/optimize/classinliner/InlineCandidateProcessor.java
+++ b/src/main/java/com/android/tools/r8/ir/optimize/classinliner/InlineCandidateProcessor.java
@@ -197,8 +197,11 @@
     //      of class inlining
     //
 
-    if (eligibleClassDefinition.instanceFields().length > 0 ||
-        !eligibleClassDefinition.accessFlags.isFinal()) {
+    if (eligibleClassDefinition.instanceFields().length > 0) {
+      return false;
+    }
+    if (eligibleClassDefinition.type.hasSubtypes()) {
+      assert !eligibleClassDefinition.accessFlags.isFinal();
       return false;
     }