diff --git a/http-generator-core/src/main/java/io/avaje/http/generator/core/BaseProcessor.java b/http-generator-core/src/main/java/io/avaje/http/generator/core/BaseProcessor.java
index 485835fa..cb89e4c1 100644
--- a/http-generator-core/src/main/java/io/avaje/http/generator/core/BaseProcessor.java
+++ b/http-generator-core/src/main/java/io/avaje/http/generator/core/BaseProcessor.java
@@ -27,7 +27,7 @@
 
 @GenerateAPContext
 @GenerateModuleInfoReader
-@SupportedOptions({"useJavax", "useSingleton", "instrumentRequests","disableDirectWrites"})
+@SupportedOptions({"useJavax", "useSingleton", "instrumentRequests","disableDirectWrites","disableJsonB"})
 public abstract class BaseProcessor extends AbstractProcessor {
 
   protected String contextPathString;
diff --git a/http-generator-core/src/main/java/io/avaje/http/generator/core/ProcessingContext.java b/http-generator-core/src/main/java/io/avaje/http/generator/core/ProcessingContext.java
index c3fcbf2e..4d5fccce 100644
--- a/http-generator-core/src/main/java/io/avaje/http/generator/core/ProcessingContext.java
+++ b/http-generator-core/src/main/java/io/avaje/http/generator/core/ProcessingContext.java
@@ -54,6 +54,7 @@ private static final class Ctx {
     private final String diAnnotation;
     private final boolean instrumentAllMethods;
     private final boolean disableDirectWrites;
+    private final boolean disableJsonB;
     private final boolean javalin6;
     private final Set<String> clientFQN = new HashSet<>();
 
@@ -73,6 +74,7 @@ private static final class Ctx {
       final var singletonOverride = options.get("useSingleton");
       this.instrumentAllMethods = Boolean.parseBoolean(options.get("instrumentRequests"));
       this.disableDirectWrites = Boolean.parseBoolean(options.get("disableDirectWrites"));
+      this.disableJsonB = Boolean.parseBoolean(options.get("disableJsonB"));
       if (singletonOverride != null) {
         useComponent = !Boolean.parseBoolean(singletonOverride);
       } else {
@@ -202,6 +204,10 @@ public static boolean instrumentAllWebMethods() {
   }
 
   public static boolean useJsonb() {
+    return isJsonbInClasspath() && !CTX.get().disableJsonB;
+  }
+
+  private static boolean isJsonbInClasspath() {
     try {
       return CTX.get().elementUtils.getTypeElement("io.avaje.jsonb.Jsonb") != null
         || Class.forName("io.avaje.jsonb.Jsonb") != null;
diff --git a/tests/test-jex/pom.xml b/tests/test-jex/pom.xml
index d512f1f1..7c006b12 100644
--- a/tests/test-jex/pom.xml
+++ b/tests/test-jex/pom.xml
@@ -79,31 +79,7 @@
 
     <!-- java annotation processors -->
 
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>avaje-inject-generator</artifactId>
-      <version>${avaje-inject.version}</version>
-      <scope>provided</scope>
-    </dependency>
-
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>avaje-http-jex-generator</artifactId>
-      <version>${project.version}</version>
-      <scope>provided</scope>
-    </dependency>
-
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>avaje-jsonb-generator</artifactId>
-      <version>3.0</version>
-    </dependency>
 
-    <dependency>
-      <groupId>io.jstach</groupId>
-      <artifactId>jstachio-apt</artifactId>
-      <version>1.3.6</version>
-    </dependency>
 
     <!-- test dependencies -->
     <dependency>
@@ -126,6 +102,44 @@
     <finalName>app</finalName>
     <plugins>
 
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.14.0</version>
+        <configuration>
+<!--          <compilerArgs>-->
+<!--            <arg>-AdisableJsonB=true</arg>-->
+<!--          </compilerArgs>-->
+          <annotationProcessorPaths>
+            <path>
+              <groupId>io.avaje</groupId>
+              <artifactId>avaje-inject-generator</artifactId>
+              <version>${avaje-inject.version}</version>
+            </path>
+            <path>
+              <groupId>io.avaje</groupId>
+              <artifactId>avaje-http-jex-generator</artifactId>
+              <version>${project.version}</version>
+            </path>
+            <path>
+              <groupId>io.avaje</groupId>
+              <artifactId>avaje-jsonb-generator</artifactId>
+              <version>3.0</version>
+            </path>
+            <path>
+              <groupId>io.avaje</groupId>
+              <artifactId>avaje-validator-generator</artifactId>
+              <version>2.8</version>
+            </path>
+            <path>
+              <groupId>io.jstach</groupId>
+              <artifactId>jstachio-apt</artifactId>
+              <version>1.3.6</version>
+            </path>
+          </annotationProcessorPaths>
+        </configuration>
+      </plugin>
+
       <plugin>
         <groupId>io.avaje</groupId>
         <artifactId>openapi-maven-plugin</artifactId>
@@ -153,6 +167,20 @@
         </configuration>
       </plugin>
 
+      <!-- generated by avaje inject -->
+      <plugin>
+        <groupId>io.avaje</groupId>
+        <artifactId>avaje-inject-maven-plugin</artifactId>
+        <version>11.2</version>
+        <executions>
+          <execution>
+            <phase>process-sources</phase>
+            <goals>
+              <goal>provides</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>