diff --git a/src/main/java/org/codelibs/fess/exec/Crawler.java b/src/main/java/org/codelibs/fess/exec/Crawler.java
index 8d9b985ff..9bb40d0ce 100644
--- a/src/main/java/org/codelibs/fess/exec/Crawler.java
+++ b/src/main/java/org/codelibs/fess/exec/Crawler.java
@@ -151,9 +151,8 @@ public class Crawler implements Serializable {
         try {
             parser.parseArgument(args);
         } catch (final CmdLineException e) {
-            System.err.println(e.getMessage()); // NOPMD
-            System.err.println("java " + Crawler.class.getCanonicalName() // NOPMD
-                    + " [options...] arguments...");
+            System.err.println(e.getMessage());
+            System.err.println("java " + Crawler.class.getCanonicalName() + " [options...] arguments...");
             parser.printUsage(System.err);
             return;
         }
@@ -184,7 +183,7 @@ public class Crawler implements Serializable {
             Runtime.getRuntime().addShutdownHook(shutdownCallback);
 
             exitCode = process(options);
-        } catch (final Throwable t) { // NOPMD
+        } catch (final Throwable t) {
             logger.error("Crawler does not work correctly.", t);
             exitCode = Constants.EXIT_FAIL;
         } finally {
@@ -398,7 +397,7 @@ public class Crawler implements Serializable {
             completed = true;
 
             return exitCode;
-        } catch (final Throwable t) { // NOPMD
+        } catch (final Throwable t) {
             logger.warn("An exception occurs on the crawl task.", t);
             return Constants.EXIT_FAIL;
         } finally {
diff --git a/src/main/java/org/codelibs/fess/exec/SuggestCreator.java b/src/main/java/org/codelibs/fess/exec/SuggestCreator.java
index 7e0d1f653..541f8fefc 100644
--- a/src/main/java/org/codelibs/fess/exec/SuggestCreator.java
+++ b/src/main/java/org/codelibs/fess/exec/SuggestCreator.java
@@ -69,9 +69,8 @@ public class SuggestCreator implements Serializable {
         try {
             parser.parseArgument(args);
         } catch (final CmdLineException e) {
-            System.err.println(e.getMessage()); // NOPMD
-            System.err.println("java " + Crawler.class.getCanonicalName() // NOPMD
-                    + " [options...] arguments...");
+            System.err.println(e.getMessage());
+            System.err.println("java " + Crawler.class.getCanonicalName() + " [options...] arguments...");
             parser.printUsage(System.err);
             return;
         }
@@ -101,7 +100,7 @@ public class SuggestCreator implements Serializable {
             };
             Runtime.getRuntime().addShutdownHook(shutdownCallback);
             exitCode = process(options);
-        } catch (final Throwable t) { // NOPMD
+        } catch (final Throwable t) {
             logger.error("Suggest creator does not work correctly.", t);
             exitCode = Constants.EXIT_FAIL;
         } finally {
diff --git a/src/main/java/org/codelibs/fess/helper/CrawlerLogHelper.java b/src/main/java/org/codelibs/fess/helper/CrawlerLogHelper.java
index e0aeadd79..16c605931 100644
--- a/src/main/java/org/codelibs/fess/helper/CrawlerLogHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/CrawlerLogHelper.java
@@ -28,8 +28,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public class CrawlerLogHelper extends LogHelperImpl {
-    private static final Logger logger = LoggerFactory // NOPMD
-            .getLogger(CrawlerLogHelper.class);
+    private static final Logger logger = LoggerFactory.getLogger(CrawlerLogHelper.class);
 
     @Override
     public void log(final LogType key, final Object... objs) {
diff --git a/src/main/java/org/codelibs/fess/helper/OpenSearchHelper.java b/src/main/java/org/codelibs/fess/helper/OpenSearchHelper.java
index 14c893d31..664c39aaf 100644
--- a/src/main/java/org/codelibs/fess/helper/OpenSearchHelper.java
+++ b/src/main/java/org/codelibs/fess/helper/OpenSearchHelper.java
@@ -36,8 +36,7 @@ import org.slf4j.LoggerFactory;
  *
  */
 public class OpenSearchHelper {
-    private static final Logger logger = LoggerFactory // NOPMD
-            .getLogger(OpenSearchHelper.class);
+    private static final Logger logger = LoggerFactory.getLogger(OpenSearchHelper.class);
 
     public String osddPath;
 
diff --git a/src/main/java/org/codelibs/fess/indexer/IndexUpdater.java b/src/main/java/org/codelibs/fess/indexer/IndexUpdater.java
index 72b7da479..6e8947039 100644
--- a/src/main/java/org/codelibs/fess/indexer/IndexUpdater.java
+++ b/src/main/java/org/codelibs/fess/indexer/IndexUpdater.java
@@ -264,7 +264,7 @@ public class IndexUpdater extends Thread {
             if (logger.isDebugEnabled()) {
                 logger.debug("Finished indexUpdater.");
             }
-        } catch (final Throwable t) { // NOPMD
+        } catch (final Throwable t) {
             logger.error("IndexUpdater is terminated.", t);
             forceStop();
         } finally {