diff --git a/pom.xml b/pom.xml
index 338d6a973..a3aebaa83 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1081,8 +1081,6 @@
             <regex><pattern>.*.ConfigurationLoader\$.*</pattern><branchRate>65</branchRate><lineRate>84</lineRate></regex>
             <regex><pattern>.*.DefaultLogger</pattern><branchRate>75</branchRate><lineRate>76</lineRate></regex>
             <regex><pattern>.*.PackageNamesLoader</pattern><branchRate>78</branchRate><lineRate>72</lineRate></regex>
-            <!-- till https://github.com/checkstyle/checkstyle/issues/1496 -->
-            <regex><pattern>.*.PropertyCacheFile</pattern><branchRate>87</branchRate><lineRate>98</lineRate></regex>
             <regex><pattern>.*.TreeWalker</pattern><branchRate>94</branchRate><lineRate>91</lineRate></regex>
 
             <regex><pattern>.*.checks.AbstractOptionCheck</pattern><branchRate>100</branchRate><lineRate>80</lineRate></regex>
diff --git a/src/test/java/com/puppycrawl/tools/checkstyle/TreeWalkerTest.java b/src/test/java/com/puppycrawl/tools/checkstyle/TreeWalkerTest.java
index afe29f43d..6752f7337 100644
--- a/src/test/java/com/puppycrawl/tools/checkstyle/TreeWalkerTest.java
+++ b/src/test/java/com/puppycrawl/tools/checkstyle/TreeWalkerTest.java
@@ -132,13 +132,11 @@ public class TreeWalkerTest extends BaseCheckTestSupport {
     public void testDestroyNonExistingCache() throws Exception {
         final TreeWalker treeWalker = new TreeWalker();
         treeWalker.configure(new DefaultConfiguration("default config"));
-        treeWalker.setCacheFile("/invalid");
+        //https://support.microsoft.com/en-us/kb/177506
+        treeWalker.setCacheFile("/:invalid");
         try {
             treeWalker.destroy();
-            // till
-            if (!System.getProperty("os.name").startsWith("Windows")) {
-                fail();
-            }
+            fail();
         }
         catch (IllegalStateException ex) {
             assertTrue(ex.getCause() instanceof IOException);