--- a/refactoring.java/apichanges.xml	
+++ a/refactoring.java/apichanges.xml	
@@ -49,6 +49,22 @@ 
         <apidef name="JavaRefactoringAPI">Java Refactoring API</apidef>
     </apidefs>
     <changes>
+        <change id="FilterSourcePackages">
+            <api name="JavaRefactoringAPI"/>
+            <summary>Added SOURCEFILE constant to JavaWhereUsedFilters.</summary>
+            <version major="1" minor="54"/>
+            <date day="27" month="11" year="2014"/>
+            <author login="ralphbenjamin"/>
+            <compatibility addition="yes"/>
+            <description>
+                <p>
+                    To support filtering the opposite of test sources, the constant
+                    SOURCEFILE is added to the enum JavaWhereUsedFilters.
+                </p>    
+            </description>
+            <class package="org.netbeans.modules.refactoring.java.spi" name="JavaWhereUsedFilters"/>
+            <issue number="248250"/>
+        </change>
         <change id="DocTrees">
             <api name="JavaRefactoringAPI"/>
             <summary>RefactoringVisitor has support for visiting DocTrees</summary>
--- a/refactoring.java/nbproject/project.properties	
+++ a/refactoring.java/nbproject/project.properties	
@@ -2,7 +2,7 @@ 
 javadoc.arch=${basedir}/arch.xml
 javadoc.apichanges=${basedir}/apichanges.xml
 
-spec.version.base=1.53.0
+spec.version.base=1.54.0
 #test configs
 test.config.find.includes=\
     **/FindUsagesSuite.class
--- a/refactoring.java/src/org/netbeans/modules/refactoring/java/plugins/JavaWhereUsedQueryPlugin.java	
+++ a/refactoring.java/src/org/netbeans/modules/refactoring/java/plugins/JavaWhereUsedQueryPlugin.java	
@@ -484,6 +484,8 @@ 
                 ImageUtilities.loadImageIcon("org/netbeans/modules/refactoring/java/resources/found_item_import.png", false));
         filtersDescription.addFilter(JavaWhereUsedFilters.COMMENT.getKey(), "Comment filter", true,
                 ImageUtilities.loadImageIcon("org/netbeans/modules/refactoring/java/resources/found_item_comment.png", false));
+        filtersDescription.addFilter(JavaWhereUsedFilters.SOURCEFILE.getKey(), "Source filter", true,
+                ImageUtilities.loadImageIcon("org/netbeans/modules/refactoring/java/resources/found_item_source.png", false));
         filtersDescription.addFilter(JavaWhereUsedFilters.TESTFILE.getKey(), "Test filter", true,
                 ImageUtilities.loadImageIcon("org/netbeans/modules/refactoring/java/resources/found_item_test.png", false));
     }
@@ -549,11 +551,16 @@ 
                     }
                     elements.add(refactoring, el);
                 }
-                if(fromTestRoot && !foundElements.isEmpty()) {
-                    usedFilters.add(JavaWhereUsedFilters.TESTFILE.getKey());
-                }
-                if(!foundElements.isEmpty() && findVisitor.usagesInComments()) {
-                    usedFilters.add(JavaWhereUsedFilters.COMMENT.getKey());
+                if(!foundElements.isEmpty()) {
+                    if(fromTestRoot) {
+                        usedFilters.add(JavaWhereUsedFilters.TESTFILE.getKey());
+                    }
+                    if(!fromTestRoot) {
+                        usedFilters.add(JavaWhereUsedFilters.SOURCEFILE.getKey());
+                    }
+                    if(findVisitor.usagesInComments()) {
+                        usedFilters.add(JavaWhereUsedFilters.COMMENT.getKey());
+                    }
                 }
             }
             Collection<TreePath> result = new ArrayList<>();
@@ -573,6 +580,9 @@ 
             if(fromTestRoot && !result.isEmpty()) {
                 usedFilters.add(JavaWhereUsedFilters.TESTFILE.getKey());
             }
+            if(!fromTestRoot && !result.isEmpty()) {
+                usedFilters.add(JavaWhereUsedFilters.SOURCEFILE.getKey());
+            }
             if(inImport.get()) {
                 usedFilters.add(JavaWhereUsedFilters.IMPORT.getKey());
             }
--- a/refactoring.java/src/org/netbeans/modules/refactoring/java/spi/JavaWhereUsedFilters.java	
+++ a/refactoring.java/src/org/netbeans/modules/refactoring/java/spi/JavaWhereUsedFilters.java	
@@ -51,7 +51,11 @@ 
 
     IMPORT("filter-import"),
     COMMENT("filter-comment"),
-    TESTFILE("filter-testfile");
+    TESTFILE("filter-testfile"),
+    /**
+     * @since 1.54
+     */
+    SOURCEFILE("filter-sourcefile");
     private final String key;
 
     private JavaWhereUsedFilters(String key) {