diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/checks/naming/AbstractClassNameCheck.java b/src/main/java/com/puppycrawl/tools/checkstyle/checks/naming/AbstractClassNameCheck.java
index b1f0b394d..d45f86f1b 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/checks/naming/AbstractClassNameCheck.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/checks/naming/AbstractClassNameCheck.java
@@ -54,7 +54,7 @@ public final class AbstractClassNameCheck extends AbstractFormatCheck {
     public static final String NO_ABSTRACT_CLASS_MODIFIER = "no.abstract.class.modifier";
 
     /** Default format for abstract class names */
-    private static final String DEFAULT_FORMAT = "^Abstract.+$|^.*Factory$";
+    private static final String DEFAULT_FORMAT = "^Abstract.+$";
 
     /** whether to ignore checking the modifier */
     private boolean ignoreModifier;
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/checks/naming/AbstractClassNameCheckTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/checks/naming/AbstractClassNameCheckTest.java
index 7f60108fa..e07be9f5e 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/checks/naming/AbstractClassNameCheckTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/checks/naming/AbstractClassNameCheckTest.java
@@ -37,13 +37,12 @@ public class AbstractClassNameCheckTest extends BaseCheckTestSupport {
         checkConfig.addAttribute("ignoreName", "false");
         checkConfig.addAttribute("ignoreModifier", "true");
 
-        final String pattern = "^Abstract.+$|^.*Factory$";
+        final String pattern = "^Abstract.+$";
 
         final String[] expected = {
             "3:1: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "InputAbstractClassName", pattern),
             "6:1: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "NonAbstractClassName", pattern),
-            "9:1: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "FactoryWithBadName", pattern),
-            "13:5: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "NonAbstractInnerClass", pattern),
+            "10:5: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "NonAbstractInnerClass", pattern),
         };
 
         verify(checkConfig, getPath("naming" + File.separator + "InputAbstractClassName.java"), expected);
@@ -56,10 +55,8 @@ public class AbstractClassNameCheckTest extends BaseCheckTestSupport {
         checkConfig.addAttribute("ignoreModifier", "false");
 
         final String[] expected = {
-            "26:1: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "AbstractClass"),
-            "29:1: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "Class1Factory"),
-            "33:5: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "AbstractInnerClass"),
-            "38:5: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "WellNamedFactory"),
+            "18:1: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "AbstractClass"),
+            "22:5: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "AbstractInnerClass"),
         };
 
         verify(checkConfig, getPath("naming" + File.separator + "InputAbstractClassName.java"), expected);
@@ -71,17 +68,14 @@ public class AbstractClassNameCheckTest extends BaseCheckTestSupport {
         checkConfig.addAttribute("ignoreName", "false");
         checkConfig.addAttribute("ignoreModifier", "false");
 
-        final String pattern = "^Abstract.+$|^.*Factory$";
+        final String pattern = "^Abstract.+$";
 
         final String[] expected = {
             "3:1: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "InputAbstractClassName", pattern),
             "6:1: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "NonAbstractClassName", pattern),
-            "9:1: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "FactoryWithBadName", pattern),
-            "13:5: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "NonAbstractInnerClass", pattern),
-            "26:1: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "AbstractClass"),
-            "29:1: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "Class1Factory"),
-            "33:5: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "AbstractInnerClass"),
-            "38:5: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "WellNamedFactory"),
+            "10:5: " + getCheckMessage(ILLEGAL_ABSTRACT_CLASS_NAME, "NonAbstractInnerClass", pattern),
+            "18:1: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "AbstractClass"),
+            "22:5: " + getCheckMessage(NO_ABSTRACT_CLASS_MODIFIER, "AbstractInnerClass"),
         };
 
         verify(checkConfig, getPath("naming" + File.separator + "InputAbstractClassName.java"), expected);
diff --git a/src/test/resources/com/puppycrawl/tools/checkstyle/naming/InputAbstractClassName.java b/src/test/resources/com/puppycrawl/tools/checkstyle/naming/InputAbstractClassName.java
index 408792357..b7cbb990c 100644
--- a/src/test/resources/com/puppycrawl/tools/checkstyle/naming/InputAbstractClassName.java
+++ b/src/test/resources/com/puppycrawl/tools/checkstyle/naming/InputAbstractClassName.java
@@ -2,39 +2,23 @@ package com.puppycrawl.tools.checkstyle.naming;
 
 abstract public class InputAbstractClassName {
 }
-// abstract --> ^Abstract.*$|^.*Factory$
+// abstract --> ^Abstract.*$
 abstract class NonAbstractClassName {
 }
 
-abstract class FactoryWithBadName {
-}
-
 abstract class AbstractClassName {
     abstract class NonAbstractInnerClass {
     }
 }
 
-abstract class ClassFactory {
-    abstract class WellNamedFactory {
-    }
-}
-
 class NonAbstractClass {
 }
 
-//^Abstract.*$|^.*Factory$ --> abstract
+//^Abstract.*$ --> abstract
 class AbstractClass {
 }
 
-class Class1Factory {
-}
-
 abstract class AbstractClassName2 {
     class AbstractInnerClass {
     }
 }
-
-abstract class Class2Factory {
-    class WellNamedFactory {
-    }
-}