diff --git a/activiti-api-impl/activiti-api-process-runtime-impl/src/main/java/org/conf/activiti/runtime/api/ProcessRuntimeAutoConfiguration.java b/activiti-api-impl/activiti-api-process-runtime-impl/src/main/java/org/conf/activiti/runtime/api/ProcessRuntimeAutoConfiguration.java
index 5b0f99968089727ec8a525aee78bef67524fc881..b5e7f6b846d1f25993fabb50fd333a264e3385d6 100644
--- a/activiti-api-impl/activiti-api-process-runtime-impl/src/main/java/org/conf/activiti/runtime/api/ProcessRuntimeAutoConfiguration.java
+++ b/activiti-api-impl/activiti-api-process-runtime-impl/src/main/java/org/conf/activiti/runtime/api/ProcessRuntimeAutoConfiguration.java
@@ -40,6 +40,7 @@ import org.activiti.core.common.spring.security.policies.ProcessSecurityPolicies
 import org.activiti.engine.RepositoryService;
 import org.activiti.engine.RuntimeService;
 import org.activiti.engine.delegate.event.ActivitiEventType;
+import org.activiti.runtime.api.conf.CommonRuntimeAutoConfiguration;
 import org.activiti.runtime.api.conf.impl.ProcessRuntimeConfigurationImpl;
 import org.activiti.runtime.api.event.impl.ToAPIProcessCreatedEventConverter;
 import org.activiti.runtime.api.event.impl.ToAPIProcessStartedEventConverter;
@@ -71,11 +72,13 @@ import org.activiti.runtime.api.model.impl.APIVariableInstanceConverter;
 import org.activiti.runtime.api.model.impl.ToActivityConverter;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
 @Configuration
+@AutoConfigureAfter(CommonRuntimeAutoConfiguration.class)
 public class ProcessRuntimeAutoConfiguration {
 
     @Bean
@@ -121,11 +124,6 @@ public class ProcessRuntimeAutoConfiguration {
         return new APIProcessInstanceConverter();
     }
 
-    @Bean
-    @ConditionalOnMissingBean
-    public APIVariableInstanceConverter apiVariableInstanceConverter() {
-        return new APIVariableInstanceConverter();
-    }
 
     @Bean
     public ProcessRuntimeConfiguration processRuntimeConfiguration(@Autowired(required = false) List<ProcessRuntimeEventListener<?>> processRuntimeEventListeners,
diff --git a/activiti-api-impl/activiti-api-runtime-shared-impl/src/main/java/org/activiti/runtime/api/conf/CommonRuntimeAutoConfiguration.java b/activiti-api-impl/activiti-api-runtime-shared-impl/src/main/java/org/activiti/runtime/api/conf/CommonRuntimeAutoConfiguration.java
index 501538ae98cbac9cc7a0429685e721d8c4e3c496..10610582052c5f68b0d14b7825a5fd153e173f26 100644
--- a/activiti-api-impl/activiti-api-runtime-shared-impl/src/main/java/org/activiti/runtime/api/conf/CommonRuntimeAutoConfiguration.java
+++ b/activiti-api-impl/activiti-api-runtime-shared-impl/src/main/java/org/activiti/runtime/api/conf/CommonRuntimeAutoConfiguration.java
@@ -20,13 +20,11 @@ import java.util.Collections;
 import java.util.List;
 
 import org.activiti.api.model.shared.event.VariableCreatedEvent;
-import org.activiti.api.model.shared.event.VariableDeletedEvent;
 import org.activiti.api.model.shared.event.VariableUpdatedEvent;
 import org.activiti.api.runtime.shared.events.VariableEventListener;
 import org.activiti.engine.RuntimeService;
 import org.activiti.engine.delegate.event.ActivitiEventType;
 import org.activiti.runtime.api.event.impl.ToVariableCreatedConverter;
-import org.activiti.runtime.api.event.impl.ToVariableDeletedConverter;
 import org.activiti.runtime.api.event.impl.ToVariableUpdatedConverter;
 import org.activiti.runtime.api.event.internal.VariableCreatedListenerDelegate;
 import org.activiti.runtime.api.event.internal.VariableUpdatedListenerDelegate;
diff --git a/activiti-api-impl/activiti-api-task-runtime-impl/src/main/java/org/activiti/runtime/api/conf/TaskRuntimeAutoConfiguration.java b/activiti-api-impl/activiti-api-task-runtime-impl/src/main/java/org/activiti/runtime/api/conf/TaskRuntimeAutoConfiguration.java
index 76c26399f87a59ef057eaaad54651a0196ee3cb0..0e2c092e1dcf8f2acd322a6349e42ae3f2d2adcc 100644
--- a/activiti-api-impl/activiti-api-task-runtime-impl/src/main/java/org/activiti/runtime/api/conf/TaskRuntimeAutoConfiguration.java
+++ b/activiti-api-impl/activiti-api-task-runtime-impl/src/main/java/org/activiti/runtime/api/conf/TaskRuntimeAutoConfiguration.java
@@ -71,11 +71,14 @@ import org.activiti.runtime.api.model.impl.APITaskConverter;
 import org.activiti.runtime.api.model.impl.APIVariableInstanceConverter;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
 
 @Configuration
+@AutoConfigureAfter(CommonRuntimeAutoConfiguration.class)
 public class TaskRuntimeAutoConfiguration {
 
     @Bean
@@ -107,12 +110,6 @@ public class TaskRuntimeAutoConfiguration {
         );
     }
 
-    @Bean
-    @ConditionalOnMissingBean
-    public APIVariableInstanceConverter apiVariableInstanceConverter(APIVariableInstanceConverter variableInstanceConverter) {
-        return new APIVariableInstanceConverter();
-    }
-
     @Bean
     public TaskRuntimeConfiguration taskRuntimeConfiguration(@Autowired(required = false) List<TaskRuntimeEventListener<?>> taskRuntimeEventListeners,
                                                              @Autowired(required = false) List<VariableEventListener<?>> variableEventListeners) {