diff a/src/jdk.incubator.code/share/classes/jdk/incubator/code/internal/RemoveUnusedConstantTransformer.java b/src/jdk.incubator.code/share/classes/jdk/incubator/code/internal/RemoveUnusedConstantTransformer.java
--- /dev/null
+++ b/src/jdk.incubator.code/share/classes/jdk/incubator/code/internal/RemoveUnusedConstantTransformer.java
@@ -0,0 +1,24 @@
+package jdk.incubator.code.internal;
+
+import jdk.incubator.code.Block;
+import jdk.incubator.code.CodeTransformer;
+import jdk.incubator.code.Op;
+import jdk.incubator.code.dialect.core.CoreOp;
+
+/**
+ * A transformer that removes unused {@link jdk.incubator.code.dialect.core.CoreOp.ConstantOp}.
+ */
+public class RemoveUnusedConstantTransformer implements CodeTransformer {
+    private RemoveUnusedConstantTransformer() {}
+
+    public static final RemoveUnusedConstantTransformer INSTANCE = new RemoveUnusedConstantTransformer();
+
+    @Override
+    public Block.Builder acceptOp(Block.Builder builder, Op op) {
+        if (op instanceof CoreOp.ConstantOp && op.result() != null && op.result().uses().isEmpty()) {
+            return builder;
+        }
+        builder.op(op);
+        return builder;
+    }
+}