diff --git a/codegen/codegen-plugin/src/main/java/software/amazon/smithy/java/codegen/DirectedJavaCodegen.java b/codegen/codegen-plugin/src/main/java/software/amazon/smithy/java/codegen/DirectedJavaCodegen.java
index fbb4f7f67..bf5900fd5 100644
--- a/codegen/codegen-plugin/src/main/java/software/amazon/smithy/java/codegen/DirectedJavaCodegen.java
+++ b/codegen/codegen-plugin/src/main/java/software/amazon/smithy/java/codegen/DirectedJavaCodegen.java
@@ -135,6 +135,9 @@ public void generateOperation(GenerateOperationDirective<CodeGenerationContext,
         if (isSynthetic(directive.shape())) {
             return;
         }
+        if (isTypesOnly()) {
+            return;
+        }
         if (modes.contains(CodegenMode.SERVER)) {
             new OperationInterfaceGenerator().accept(directive);
         }
@@ -144,8 +147,7 @@ public void generateOperation(GenerateOperationDirective<CodeGenerationContext,
     @Override
     public void generateService(GenerateServiceDirective<CodeGenerationContext, JavaCodegenSettings> directive) {
         // In TYPES-only mode, generateService is a no-op (the synthetic service has no real service shape)
-        if (modes.contains(CodegenMode.TYPES) && !modes.contains(CodegenMode.CLIENT)
-                && !modes.contains(CodegenMode.SERVER)) {
+        if (isTypesOnly()) {
             return;
         }
 
@@ -193,4 +195,10 @@ public void customizeAfterIntegrations(CustomizeDirective<CodeGenerationContext,
     private static boolean isSynthetic(Shape shape) {
         return shape.getId().getNamespace().equals(SyntheticServiceTransform.SYNTHETIC_NAMESPACE);
     }
+
+    private boolean isTypesOnly() {
+        return modes.contains(CodegenMode.TYPES)
+                && !modes.contains(CodegenMode.CLIENT)
+                && !modes.contains(CodegenMode.SERVER);
+    }
 }