diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/CustomImportOrderCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/CustomImportOrderCheck.java
index 3b805aa41..b6a1a2e37 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/CustomImportOrderCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/imports/CustomImportOrderCheck.java
@@ -700,7 +700,7 @@ public class CustomImportOrderCheck extends Check
      * group.
      * @author max
      */
-    class ImportDetails
+    static class ImportDetails
     {
         /** Import full path */
         private String importFullPath;
diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/AbstractJavadocCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/AbstractJavadocCheck.java
index 2eae6780b..8a2b2e0af 100755
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/AbstractJavadocCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/javadoc/AbstractJavadocCheck.java
@@ -561,7 +561,7 @@ public abstract class AbstractJavadocCheck extends Check
     /**
      * Custom error listener for JavadocParser that prints user readable errors.
      */
-    class DescriptiveErrorListener extends BaseErrorListener
+    static class DescriptiveErrorListener extends BaseErrorListener
     {
         /**
          * Parse error while token recognition.