diff --git a/src/main/java/com/android/tools/r8/cf/code/CfConstClass.java b/src/main/java/com/android/tools/r8/cf/code/CfConstClass.java
index 4284a5c..6ade9b2 100644
--- a/src/main/java/com/android/tools/r8/cf/code/CfConstClass.java
+++ b/src/main/java/com/android/tools/r8/cf/code/CfConstClass.java
@@ -98,16 +98,6 @@
   }
 
   @Override
-  public CfConstClass asConstClass() {
-    return this;
-  }
-
-  @Override
-  public boolean isConstClass() {
-    return true;
-  }
-
-  @Override
   public void write(
       AppView<?> appView,
       ProgramMethod context,
diff --git a/src/main/java/com/android/tools/r8/cf/code/CfInstruction.java b/src/main/java/com/android/tools/r8/cf/code/CfInstruction.java
index 526b4af..5fbed91 100644
--- a/src/main/java/com/android/tools/r8/cf/code/CfInstruction.java
+++ b/src/main/java/com/android/tools/r8/cf/code/CfInstruction.java
@@ -182,14 +182,6 @@
     return false;
   }
 
-  public CfConstClass asConstClass() {
-    return null;
-  }
-
-  public boolean isConstClass() {
-    return false;
-  }
-
   public CfConstString asConstString() {
     return null;
   }