diff --git a/common/src/main/java/org/apache/nemo/common/ir/vertex/executionproperty/ResourceLambdaProperty.java b/common/src/main/java/org/apache/nemo/common/ir/vertex/executionproperty/ResourceLambdaProperty.java
index be1834bc4a..4e56144b71 100644
--- a/common/src/main/java/org/apache/nemo/common/ir/vertex/executionproperty/ResourceLambdaProperty.java
+++ b/common/src/main/java/org/apache/nemo/common/ir/vertex/executionproperty/ResourceLambdaProperty.java
@@ -21,8 +21,7 @@
 import org.apache.nemo.common.ir.executionproperty.VertexExecutionProperty;
 
 /**
- * Maintainer: Gao Zhiyuan<alapha23@gmail.com>.
- * Resource property supporting Lambda Pass
+ * Resource property supporting Lambda Pass.
  */
 public final class ResourceLambdaProperty extends VertexExecutionProperty<ResourceLambdaProperty.Value> {
   /**
diff --git a/compiler/optimizer/src/main/java/org/apache/nemo/compiler/optimizer/pass/compiletime/annotating/LambdaPass.java b/compiler/optimizer/src/main/java/org/apache/nemo/compiler/optimizer/pass/compiletime/annotating/LambdaPass.java
index 29354b648e..0432e95e8c 100644
--- a/compiler/optimizer/src/main/java/org/apache/nemo/compiler/optimizer/pass/compiletime/annotating/LambdaPass.java
+++ b/compiler/optimizer/src/main/java/org/apache/nemo/compiler/optimizer/pass/compiletime/annotating/LambdaPass.java
@@ -23,8 +23,7 @@
 
 /**
  * Lambda Pass
- * Maintainer: Gao Zhiyuan<alapha23@gmail.com>.
- * Description: A part of lambda executor, assigning LambdaResourceProperty
+ * Description: A part of lambda executor, assigning LambdaResourceProperty.
  */
 @Annotates(ResourceLambdaProperty.class)
 public final class LambdaPass extends AnnotatingPass {
diff --git a/compiler/optimizer/src/main/java/org/apache/nemo/compiler/optimizer/policy/LambdaPolicy.java b/compiler/optimizer/src/main/java/org/apache/nemo/compiler/optimizer/policy/LambdaPolicy.java
index 8623a4f85f..97b8c053ee 100644
--- a/compiler/optimizer/src/main/java/org/apache/nemo/compiler/optimizer/policy/LambdaPolicy.java
+++ b/compiler/optimizer/src/main/java/org/apache/nemo/compiler/optimizer/policy/LambdaPolicy.java
@@ -25,7 +25,6 @@
 
 /**
  * Lambda Policy
- * Maintainer: Gao Zhiyuan<alapha23@gmail.com>.
  * Description: A part of lambda executor, to support Lambda policy.
  */
 public final class LambdaPolicy implements Policy {