diff --git a/core/builder/src/main/java/io/quarkus/builder/Json.java b/core/builder/src/main/java/io/quarkus/builder/Json.java
index d6bc9ab46465b..1973e3a0411c1 100644
--- a/core/builder/src/main/java/io/quarkus/builder/Json.java
+++ b/core/builder/src/main/java/io/quarkus/builder/Json.java
@@ -187,7 +187,7 @@ void addInternal(Object value) {
             }
         }
 
-        boolean isEmpty() {
+        public boolean isEmpty() {
             return isValuesEmpty(values);
         }
 
diff --git a/core/deployment/src/main/java/io/quarkus/deployment/steps/NativeImageJNIConfigStep.java b/core/deployment/src/main/java/io/quarkus/deployment/steps/NativeImageJNIConfigStep.java
index b6381bc9b5a5d..70e744f9b3ec7 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/steps/NativeImageJNIConfigStep.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/steps/NativeImageJNIConfigStep.java
@@ -40,10 +40,10 @@ void generateJniConfig(BuildProducer<GeneratedResourceBuildItem> jniConfig,
             json.put("name", entry.getKey());
 
             JniInfo info = entry.getValue();
+            JsonArrayBuilder methodsArray = Json.array();
             if (info.constructors) {
                 json.put("allDeclaredConstructors", true);
             } else if (!info.ctorSet.isEmpty()) {
-                JsonArrayBuilder methodsArray = Json.array();
                 for (JniRuntimeAccessMethodBuildItem ctor : info.ctorSet) {
                     JsonObjectBuilder methodObject = Json.object();
                     methodObject.put("name", ctor.getName());
@@ -54,12 +54,10 @@ void generateJniConfig(BuildProducer<GeneratedResourceBuildItem> jniConfig,
                     methodObject.put("parameterTypes", paramsArray);
                     methodsArray.add(methodObject);
                 }
-                json.put("methods", methodsArray);
             }
             if (info.methods) {
                 json.put("allDeclaredMethods", true);
             } else if (!info.methodSet.isEmpty()) {
-                JsonArrayBuilder methodsArray = Json.array();
                 for (JniRuntimeAccessMethodBuildItem method : info.methodSet) {
                     JsonObjectBuilder methodObject = Json.object();
                     methodObject.put("name", method.getName());
@@ -70,8 +68,11 @@ void generateJniConfig(BuildProducer<GeneratedResourceBuildItem> jniConfig,
                     methodObject.put("parameterTypes", paramsArray);
                     methodsArray.add(methodObject);
                 }
+            }
+            if (!methodsArray.isEmpty()) {
                 json.put("methods", methodsArray);
             }
+
             if (info.fields) {
                 json.put("allDeclaredFields", true);
             } else if (!info.fieldSet.isEmpty()) {
diff --git a/core/deployment/src/main/java/io/quarkus/deployment/steps/NativeImageReflectConfigStep.java b/core/deployment/src/main/java/io/quarkus/deployment/steps/NativeImageReflectConfigStep.java
index 69476a4af5fb2..cd04106f20330 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/steps/NativeImageReflectConfigStep.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/steps/NativeImageReflectConfigStep.java
@@ -70,13 +70,13 @@ void generateReflectConfig(BuildProducer<GeneratedResourceBuildItem> reflectConf
             json.put("name", entry.getKey());
 
             ReflectionInfo info = entry.getValue();
+            JsonArrayBuilder methodsArray = Json.array();
             if (info.typeReachable != null) {
                 json.put("condition", Json.object().put("typeReachable", info.typeReachable));
             }
             if (info.constructors) {
                 json.put("allDeclaredConstructors", true);
             } else if (!info.ctorSet.isEmpty()) {
-                JsonArrayBuilder methodsArray = Json.array();
                 for (ReflectiveMethodBuildItem ctor : info.ctorSet) {
                     JsonObjectBuilder methodObject = Json.object();
                     methodObject.put("name", ctor.getName());
@@ -87,12 +87,10 @@ void generateReflectConfig(BuildProducer<GeneratedResourceBuildItem> reflectConf
                     methodObject.put("parameterTypes", paramsArray);
                     methodsArray.add(methodObject);
                 }
-                json.put("methods", methodsArray);
             }
             if (info.methods) {
                 json.put("allDeclaredMethods", true);
             } else if (!info.methodSet.isEmpty()) {
-                JsonArrayBuilder methodsArray = Json.array();
                 for (ReflectiveMethodBuildItem method : info.methodSet) {
                     JsonObjectBuilder methodObject = Json.object();
                     methodObject.put("name", method.getName());
@@ -103,8 +101,11 @@ void generateReflectConfig(BuildProducer<GeneratedResourceBuildItem> reflectConf
                     methodObject.put("parameterTypes", paramsArray);
                     methodsArray.add(methodObject);
                 }
+            }
+            if (!methodsArray.isEmpty()) {
                 json.put("methods", methodsArray);
             }
+
             if (info.fields) {
                 json.put("allDeclaredFields", true);
             } else if (!info.fieldSet.isEmpty()) {