diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/cpd/CPDCommandLineInterface.java b/pmd-core/src/main/java/net/sourceforge/pmd/cpd/CPDCommandLineInterface.java
index 49fc2ad07f..8cc7e27440 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/cpd/CPDCommandLineInterface.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/cpd/CPDCommandLineInterface.java
@@ -105,13 +105,7 @@ public class CPDCommandLineInterface {
 						cpd.addAllInDirectory(file);
 					}
 				} else {
-					//Add a single file if it is accepted by the file filter
-					File directory = file.getAbsoluteFile().getParentFile();
-					String filename = file.getName();
-
-					if (filter.accept(directory, filename)) {
-						cpd.add(file);
-					}
+					cpd.add(file);
 				}
 			}
 		} catch (IOException e) {