diff --git a/src/it/saxon/src/test/java/org/xembly/saxon/SaxonSampleTest.java b/src/it/saxon/src/test/java/org/xembly/saxon/SaxonSampleTest.java
index a15d505..9fa22d0 100644
--- a/src/it/saxon/src/test/java/org/xembly/saxon/SaxonSampleTest.java
+++ b/src/it/saxon/src/test/java/org/xembly/saxon/SaxonSampleTest.java
@@ -43,10 +43,6 @@
  */
 public final class SaxonSampleTest {
 
-    /**
-     * Xembly can build a document.
-     * @throws Exception If fails
-     */
     @Test
     public void buildsDocument() throws Exception {
         MatcherAssert.assertThat(
@@ -59,10 +55,6 @@ public void buildsDocument() throws Exception {
         );
     }
 
-    /**
-     * Xembly can apply changes to a node.
-     * @throws Exception If fails
-     */
     @Test
     public void appliesChangesToNode() throws Exception {
         final Node node = new XMLDocument("<doc/>").node();
diff --git a/src/it/xerces/src/test/java/org/xembly/xerces/XercesSampleTest.java b/src/it/xerces/src/test/java/org/xembly/xerces/XercesSampleTest.java
index bcad2f0..c6fc818 100644
--- a/src/it/xerces/src/test/java/org/xembly/xerces/XercesSampleTest.java
+++ b/src/it/xerces/src/test/java/org/xembly/xerces/XercesSampleTest.java
@@ -43,10 +43,6 @@
  */
 public final class XercesSampleTest {
 
-    /**
-     * Xembly can build a document.
-     * @throws Exception If fails
-     */
     @Test
     public void buildsDocument() throws Exception {
         MatcherAssert.assertThat(
@@ -59,10 +55,6 @@ public void buildsDocument() throws Exception {
         );
     }
 
-    /**
-     * Xembly can apply changes to a node.
-     * @throws Exception If fails
-     */
     @Test
     public void appliesChangesToNode() throws Exception {
         final Node node = new XMLDocument("<doc/>").node();
diff --git a/src/test/java/org/xembly/AddDirectiveTest.java b/src/test/java/org/xembly/AddDirectiveTest.java
index 44f1741..14f8c40 100644
--- a/src/test/java/org/xembly/AddDirectiveTest.java
+++ b/src/test/java/org/xembly/AddDirectiveTest.java
@@ -42,10 +42,6 @@
  */
 public final class AddDirectiveTest {
 
-    /**
-     * AddDirective can add nodes to current nodes.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void addsNodesToCurrentNodes() throws Exception {
         final Iterable<Directive> dirs = new Directives(
diff --git a/src/test/java/org/xembly/AddIfDirectiveTest.java b/src/test/java/org/xembly/AddIfDirectiveTest.java
index 418e28e..752a2db 100644
--- a/src/test/java/org/xembly/AddIfDirectiveTest.java
+++ b/src/test/java/org/xembly/AddIfDirectiveTest.java
@@ -44,10 +44,6 @@
  */
 public final class AddIfDirectiveTest {
 
-    /**
-     * AddIfDirective can add nodes to current nodes.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void addsNodesToCurrentNodes() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -65,11 +61,6 @@ public void addsNodesToCurrentNodes() throws Exception {
         );
     }
 
-    /**
-     * AddIfDirective can add node to a node.
-     * @throws Exception If some problem inside
-     * @since 0.15.2
-     */
     @Test
     public void addsDomNodesDirectly() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
diff --git a/src/test/java/org/xembly/ArgTest.java b/src/test/java/org/xembly/ArgTest.java
index 71998fc..29a8412 100644
--- a/src/test/java/org/xembly/ArgTest.java
+++ b/src/test/java/org/xembly/ArgTest.java
@@ -41,10 +41,6 @@
  */
 public final class ArgTest {
 
-    /**
-     * Arg can escape and unescape.
-     * @throws Exception If some problem inside
-     */
     @Test
     @SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
     public void escapesAndUnescaped() throws Exception {
@@ -62,9 +58,6 @@ public void escapesAndUnescaped() throws Exception {
         }
     }
 
-    /**
-     * Arg can reject to escape invalid text.
-     */
     @Test
     public void rejectsToEscapeInvalidXmlChars() {
         Assertions.assertThrows(
@@ -73,9 +66,6 @@ public void rejectsToEscapeInvalidXmlChars() {
         );
     }
 
-    /**
-     * Arg can reject to unescape invalid text.
-     */
     @Test
     public void rejectsToUnEscapeInvalidXmlChars() {
         Assertions.assertThrows(
diff --git a/src/test/java/org/xembly/AttrDirectiveTest.java b/src/test/java/org/xembly/AttrDirectiveTest.java
index e553eeb..9644ae6 100644
--- a/src/test/java/org/xembly/AttrDirectiveTest.java
+++ b/src/test/java/org/xembly/AttrDirectiveTest.java
@@ -45,10 +45,6 @@
  */
 public final class AttrDirectiveTest {
 
-    /**
-     * AttrDirective can add nodes to current nodes.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void addsAttributesToCurrentNodes() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -71,11 +67,6 @@ public void addsAttributesToCurrentNodes() throws Exception {
         );
     }
 
-    /**
-     * AttrDirective can add attribute to node.
-     * @throws Exception If some problem inside
-     * @since 0.7
-     */
     @Test
     public void addsDomAttributesDirectly() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
@@ -96,11 +87,6 @@ public void addsDomAttributesDirectly() throws Exception {
         );
     }
 
-    /**
-     * AttrDirective can add case-sensitive attributes.
-     * @throws Exception If some problem inside
-     * @since 0.16.1
-     */
     @Test
     public void addsCaseSensitiveAttributesDirectly() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
diff --git a/src/test/java/org/xembly/CommentDirectiveTest.java b/src/test/java/org/xembly/CommentDirectiveTest.java
index c7656e6..44110e7 100644
--- a/src/test/java/org/xembly/CommentDirectiveTest.java
+++ b/src/test/java/org/xembly/CommentDirectiveTest.java
@@ -42,10 +42,6 @@
  */
 public final class CommentDirectiveTest {
 
-    /**
-     * CommentDirective can add a comment.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void addsComment() throws Exception {
         final Iterable<Directive> dirs = new Directives(
diff --git a/src/test/java/org/xembly/DirectivesTest.java b/src/test/java/org/xembly/DirectivesTest.java
index b2d1172..22c7ea0 100644
--- a/src/test/java/org/xembly/DirectivesTest.java
+++ b/src/test/java/org/xembly/DirectivesTest.java
@@ -52,10 +52,6 @@
 @SuppressWarnings({"PMD.TooManyMethods", "PMD.AvoidDuplicateLiterals"})
 public final class DirectivesTest {
 
-    /**
-     * Directives can make an XML document.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void makesXmlDocument() throws Exception {
         MatcherAssert.assertThat(
@@ -76,10 +72,6 @@ public void makesXmlDocument() throws Exception {
         );
     }
 
-    /**
-     * Directives can parse xembly grammar.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void parsesIncomingGrammar() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -88,9 +80,6 @@ public void parsesIncomingGrammar() throws Exception {
         MatcherAssert.assertThat(dirs, Matchers.iterableWithSize(2));
     }
 
-    /**
-     * Directives can throw when grammar is broken.
-     */
     @Test
     public void throwsOnBrokenGrammar() {
         Assertions.assertThrows(
@@ -99,9 +88,6 @@ public void throwsOnBrokenGrammar() {
         );
     }
 
-    /**
-     * Directives can throw when XML content is broken.
-     */
     @Test
     public void throwsOnBrokenXmlContent() {
         Assertions.assertThrows(
@@ -110,9 +96,6 @@ public void throwsOnBrokenXmlContent() {
         );
     }
 
-    /**
-     * Directives can throw when escaped XML content is broken.
-     */
     @Test
     public void throwsOnBrokenEscapedXmlContent() {
         Assertions.assertThrows(
@@ -121,11 +104,6 @@ public void throwsOnBrokenEscapedXmlContent() {
         );
     }
 
-    /**
-     * Directives can add map of values.
-     * @throws Exception If some problem inside
-     * @since 0.8
-     */
     @Test
     public void addsMapOfValues() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
@@ -148,10 +126,6 @@ public void addsMapOfValues() throws Exception {
         );
     }
 
-    /**
-     * Directives can ignore empty input.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void ingoresEmptyInput() throws Exception {
         MatcherAssert.assertThat(
@@ -160,10 +134,6 @@ public void ingoresEmptyInput() throws Exception {
         );
     }
 
-    /**
-     * Directives can build a correct modification programme.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void performsFullScaleModifications() throws Exception {
         final String script = new Directives()
@@ -185,11 +155,6 @@ public void performsFullScaleModifications() throws Exception {
         );
     }
 
-    /**
-     * Directives can copy an existing node.
-     * @throws Exception If some problem inside
-     * @since 0.13
-     */
     @Test
     public void copiesExistingNode() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
@@ -217,11 +182,6 @@ public void copiesExistingNode() throws Exception {
         );
     }
 
-    /**
-     * Appends an existing node.
-     * @throws Exception If some problem inside
-     * @since 1.0
-     */
     @Test
     public void appendsExistingNode() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
@@ -247,11 +207,6 @@ public void appendsExistingNode() throws Exception {
         );
     }
 
-    /**
-     * Directives can understand case.
-     * @throws Exception If some problem inside
-     * @since 0.14.1
-     */
     @Test
     public void addsElementsCaseSensitively() throws Exception {
         MatcherAssert.assertThat(
@@ -263,11 +218,6 @@ public void addsElementsCaseSensitively() throws Exception {
         );
     }
 
-    /**
-     * Directives can convert to string.
-     * @throws Exception If some problem inside
-     * @since 0.15.2
-     */
     @Test
     public void convertsToString() throws Exception {
         final Directives dirs = new Directives();
@@ -284,10 +234,6 @@ public void convertsToString() throws Exception {
         );
     }
 
-    /**
-     * Directives can push and pop.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void pushesAndPopsCursor() throws Exception {
         MatcherAssert.assertThat(
@@ -309,10 +255,6 @@ public void pushesAndPopsCursor() throws Exception {
         );
     }
 
-    /**
-     * Directives can use namespaces.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void prefixesItemsWithNamespaces() throws Exception {
         MatcherAssert.assertThat(
@@ -326,10 +268,6 @@ public void prefixesItemsWithNamespaces() throws Exception {
         );
     }
 
-    /**
-     * Directives can accept directives from multiple threads.
-     * @throws Exception If some problem inside
-     */
     @Test
     @Disabled
     public void acceptsFromMultipleThreads() throws Exception {
@@ -353,10 +291,6 @@ public Void call() throws Exception {
         );
     }
 
-    /**
-     * Directives can add comments.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void addsComments() throws Exception {
         MatcherAssert.assertThat(
@@ -369,10 +303,6 @@ public void addsComments() throws Exception {
         );
     }
 
-    /**
-     * Directives can append.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void appendsDirs() throws Exception {
         MatcherAssert.assertThat(
diff --git a/src/test/java/org/xembly/DomStackTest.java b/src/test/java/org/xembly/DomStackTest.java
index 0de2a99..b17386d 100644
--- a/src/test/java/org/xembly/DomStackTest.java
+++ b/src/test/java/org/xembly/DomStackTest.java
@@ -42,10 +42,6 @@
  */
 public final class DomStackTest {
 
-    /**
-     * DomStack can push and pop.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void addsAndRetrieves() throws Exception {
         final Directive.Stack stack = new DomStack();
@@ -63,10 +59,6 @@ public void addsAndRetrieves() throws Exception {
         );
     }
 
-    /**
-     * DomStack throws ImpossibleModificationException when
-     * trying to pop an empty stack.
-     */
     @Test
     public void throwsExceptionOnEmpty() {
         Assertions.assertThrows(
diff --git a/src/test/java/org/xembly/NsDirectiveTest.java b/src/test/java/org/xembly/NsDirectiveTest.java
index edfa795..92358ac 100644
--- a/src/test/java/org/xembly/NsDirectiveTest.java
+++ b/src/test/java/org/xembly/NsDirectiveTest.java
@@ -44,10 +44,6 @@
  * @checkstyle MultipleStringLiteralsCheck (500 lines)
  */
 public final class NsDirectiveTest {
-    /**
-     * Verifies that NsDirective appends a namespace to a node.
-     * @throws Exception Thrown in case of an error.
-     */
     @Test
     public void setsNsAttr() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
diff --git a/src/test/java/org/xembly/PiDirectiveTest.java b/src/test/java/org/xembly/PiDirectiveTest.java
index fe77a3b..610e051 100644
--- a/src/test/java/org/xembly/PiDirectiveTest.java
+++ b/src/test/java/org/xembly/PiDirectiveTest.java
@@ -45,10 +45,6 @@
  */
 public final class PiDirectiveTest {
 
-    /**
-     * PiDirective can add processing instructions to current DOM.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void addsProcessingInstructionsToDom() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -72,10 +68,6 @@ public void addsProcessingInstructionsToDom() throws Exception {
         );
     }
 
-    /**
-     * PiDirective can add processing instructions to DOM.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void addsProcessingInstructionsDirectlyToDom() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
@@ -92,10 +84,6 @@ public void addsProcessingInstructionsDirectlyToDom() throws Exception {
         );
     }
 
-    /**
-     * PiDirective can add processing instructions to root.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void addsProcessingInstructionsToDomRoot() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -112,10 +100,6 @@ public void addsProcessingInstructionsToDomRoot() throws Exception {
         );
     }
 
-    /**
-     * PiDirective can prepend processing instruction.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void prependsProcessingInstructionsToDomRoot() throws Exception {
         MatcherAssert.assertThat(
diff --git a/src/test/java/org/xembly/RemoveDirectiveTest.java b/src/test/java/org/xembly/RemoveDirectiveTest.java
index 2209662..baf4aeb 100644
--- a/src/test/java/org/xembly/RemoveDirectiveTest.java
+++ b/src/test/java/org/xembly/RemoveDirectiveTest.java
@@ -45,10 +45,6 @@
  */
 public final class RemoveDirectiveTest {
 
-    /**
-     * RemoveDirective can remove nodes.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void removesCurrentNodes() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -71,11 +67,6 @@ public void removesCurrentNodes() throws Exception {
         );
     }
 
-    /**
-     * RemoveDirective can remove nodes.
-     * @throws Exception If some problem inside
-     * @since 0.7
-     */
     @Test
     public void removesDomNodesDirectly() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
diff --git a/src/test/java/org/xembly/SetDirectiveTest.java b/src/test/java/org/xembly/SetDirectiveTest.java
index 874b9ef..f08d633 100644
--- a/src/test/java/org/xembly/SetDirectiveTest.java
+++ b/src/test/java/org/xembly/SetDirectiveTest.java
@@ -46,10 +46,6 @@
  */
 public final class SetDirectiveTest {
 
-    /**
-     * SetDirective can set text content of nodes.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void setsTextContentOfNodes() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -71,9 +67,6 @@ public void setsTextContentOfNodes() throws Exception {
         );
     }
 
-    /**
-     * SetDirective can reject invalid content.
-     */
     @Test
     public void rejectsContentWithInvalidXmlCharacters() {
         Assertions.assertThrows(
@@ -82,11 +75,6 @@ public void rejectsContentWithInvalidXmlCharacters() {
         );
     }
 
-    /**
-     * SetDirective can set text content of nodes.
-     * @throws Exception If some problem inside
-     * @since 0.7
-     */
     @Test
     public void setsTextDirectlyIntoDomNodes() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
diff --git a/src/test/java/org/xembly/StrictDirectiveTest.java b/src/test/java/org/xembly/StrictDirectiveTest.java
index 8b35e2a..f242bd7 100644
--- a/src/test/java/org/xembly/StrictDirectiveTest.java
+++ b/src/test/java/org/xembly/StrictDirectiveTest.java
@@ -44,10 +44,6 @@
  */
 public final class StrictDirectiveTest {
 
-    /**
-     * StrictDirective can check the number of current nodes.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void checksNumberOfCurrentNodes() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -68,9 +64,6 @@ public void checksNumberOfCurrentNodes() throws Exception {
         );
     }
 
-    /**
-     * StrictDirective can fail when number of current nodes is too big.
-     */
     @Test
     public void failsWhenNumberOfCurrentNodesIsTooBig() {
         Assertions.assertThrows(
@@ -87,9 +80,6 @@ public void failsWhenNumberOfCurrentNodesIsTooBig() {
         );
     }
 
-    /**
-     * StrictDirective can fail when number of current nodes is zero.
-     */
     @Test
     public void failsWhenNumberOfCurrentNodesIsZero() {
         Assertions.assertThrows(
@@ -106,9 +96,6 @@ public void failsWhenNumberOfCurrentNodesIsZero() {
         );
     }
 
-    /**
-     * StrictDirective can fail when number of current nodes is too small.
-     */
     @Test
     public void failsWhenNumberOfCurrentNodesIsTooSmall() {
         Assertions.assertThrows(
diff --git a/src/test/java/org/xembly/SyntaxExceptionTest.java b/src/test/java/org/xembly/SyntaxExceptionTest.java
index e6c307b..c1c603d 100644
--- a/src/test/java/org/xembly/SyntaxExceptionTest.java
+++ b/src/test/java/org/xembly/SyntaxExceptionTest.java
@@ -40,9 +40,6 @@
  */
 public final class SyntaxExceptionTest {
 
-    /**
-     * SyntaxException can be instantiated.
-     */
     @Test
     public void instantiatesException() {
         MatcherAssert.assertThat(
diff --git a/src/test/java/org/xembly/UpDirectiveTest.java b/src/test/java/org/xembly/UpDirectiveTest.java
index 2724eee..75446ba 100644
--- a/src/test/java/org/xembly/UpDirectiveTest.java
+++ b/src/test/java/org/xembly/UpDirectiveTest.java
@@ -43,10 +43,6 @@
  */
 public final class UpDirectiveTest {
 
-    /**
-     * UpDirective can find parents and move to them.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void jumpsToParentsWhenTheyExist() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -61,9 +57,6 @@ public void jumpsToParentsWhenTheyExist() throws Exception {
         );
     }
 
-    /**
-     * UpDirective can throw when there are no parents.
-     */
     @Test
     public void throwsWhenNoParents() {
         Assertions.assertThrows(
diff --git a/src/test/java/org/xembly/XattrDirectiveTest.java b/src/test/java/org/xembly/XattrDirectiveTest.java
index 08ff27d..debae42 100644
--- a/src/test/java/org/xembly/XattrDirectiveTest.java
+++ b/src/test/java/org/xembly/XattrDirectiveTest.java
@@ -43,10 +43,6 @@
  */
 public final class XattrDirectiveTest {
 
-    /**
-     * XattrDirective can set attributes to current nodes.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void setsAttributesToCurrentNodes() throws Exception {
         final Iterable<Directive> dirs = new Directives(
diff --git a/src/test/java/org/xembly/XemblerTest.java b/src/test/java/org/xembly/XemblerTest.java
index 64fefb4..d0d751b 100644
--- a/src/test/java/org/xembly/XemblerTest.java
+++ b/src/test/java/org/xembly/XemblerTest.java
@@ -55,10 +55,6 @@
 @SuppressWarnings("PMD.TooManyMethods")
 public final class XemblerTest {
 
-    /**
-     * Xembler can change DOM document.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void makesChangesToDomDocument() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
@@ -83,10 +79,6 @@ public void makesChangesToDomDocument() throws Exception {
         );
     }
 
-    /**
-     * Xembler can change DOM document from builder.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void makesChangesToDomDocumentFromBuilder() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
@@ -117,10 +109,6 @@ public void makesChangesToDomDocumentFromBuilder() throws Exception {
         );
     }
 
-    /**
-     * Xembler can print XML.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void printsXmlDocument() throws Exception {
         MatcherAssert.assertThat(
@@ -131,10 +119,6 @@ public void printsXmlDocument() throws Exception {
         );
     }
 
-    /**
-     * Xembler can show XML declaration line.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void rendersXmlDeclaration() throws Exception {
         MatcherAssert.assertThat(
@@ -143,11 +127,6 @@ public void rendersXmlDeclaration() throws Exception {
         );
     }
 
-    /**
-     * Xembler can escape broken text.
-     * @throws Exception If some problem inside
-     * @since 0.14
-     */
     @Test
     public void escapesBrokenText() throws Exception {
         MatcherAssert.assertThat(
@@ -156,10 +135,6 @@ public void escapesBrokenText() throws Exception {
         );
     }
 
-    /**
-     * Xembler can modify a cloned node.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void modifiesClonedNode() throws Exception {
         final Node node = new XMLDocument("<t/>").node().cloneNode(true);
@@ -170,10 +145,6 @@ public void modifiesClonedNode() throws Exception {
         );
     }
 
-    /**
-     * Xembler can remove root node and add a new one.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void replacesRootNode() throws Exception {
         final Node node = new XMLDocument("<e/>").node();
@@ -184,10 +155,6 @@ public void replacesRootNode() throws Exception {
         );
     }
 
-    /**
-     * Xembler can remove attribute node.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void removesAttribute() throws Exception {
         final Node node = new XMLDocument("<i8 a6='foo'/>").node();
@@ -204,10 +171,6 @@ public void removesAttribute() throws Exception {
         );
     }
 
-    /**
-     * Xembler can remove root node.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void removesRootNode() throws Exception {
         final Node node = new XMLDocument("<old/>").node();
@@ -220,19 +183,6 @@ public void removesRootNode() throws Exception {
         );
     }
 
-    /**
-     * Test that concurrent invocations on shared DOM.
-     * doesn't ruin executing thread
-     * @todo #34
-     *  I assumed that Xembler should be a thread-safe and
-     *  this test must pass, but this assumption might be wrong and
-     *  this test case is not an issue.
-     *  Modify <code>int capacity</code> to play with results:
-     *  case 1: change capacity to 1 to get test work within 1 thread
-     *  case 2: change capacity to any positive number greater than 1
-     *  to get test broken
-     * @throws Exception If some problem inside
-     */
     @Test
     @Disabled
     public void concurrentInvocationWithNoExceptions() throws Exception {
diff --git a/src/test/java/org/xembly/XpathDirectiveTest.java b/src/test/java/org/xembly/XpathDirectiveTest.java
index a3d7db0..5912922 100644
--- a/src/test/java/org/xembly/XpathDirectiveTest.java
+++ b/src/test/java/org/xembly/XpathDirectiveTest.java
@@ -47,10 +47,6 @@
  */
 public final class XpathDirectiveTest {
 
-    /**
-     * XpathDirective can find nodes.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void findsNodesWithXpathExpression() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -73,10 +69,6 @@ public void findsNodesWithXpathExpression() throws Exception {
         );
     }
 
-    /**
-     * XpathDirective can ignore empty searches.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void ignoresEmptySearches() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -92,11 +84,6 @@ public void ignoresEmptySearches() throws Exception {
         );
     }
 
-    /**
-     * XpathDirective can find nodes by XPath.
-     * @throws Exception If some problem inside
-     * @since 0.7
-     */
     @Test
     public void findsNodesByXpathDirectly() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
@@ -117,10 +104,6 @@ public void findsNodesByXpathDirectly() throws Exception {
         );
     }
 
-    /**
-     * XpathDirective can find nodes in empty DOM.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void findsNodesInEmptyDom() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
@@ -135,10 +118,6 @@ public void findsNodesInEmptyDom() throws Exception {
         );
     }
 
-    /**
-     * XpathDirective can find root in cloned document.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void findsRootInClonedNode() throws Exception {
         final Iterable<Directive> dirs = new Directives(
diff --git a/src/test/java/org/xembly/XsetDirectiveTest.java b/src/test/java/org/xembly/XsetDirectiveTest.java
index f867185..7bde449 100644
--- a/src/test/java/org/xembly/XsetDirectiveTest.java
+++ b/src/test/java/org/xembly/XsetDirectiveTest.java
@@ -45,10 +45,6 @@
  */
 public final class XsetDirectiveTest {
 
-    /**
-     * XsetDirective can set text content of nodes.
-     * @throws Exception If some problem inside
-     */
     @Test
     public void setsTextContentOfNodes() throws Exception {
         final Iterable<Directive> dirs = new Directives(
@@ -73,11 +69,6 @@ public void setsTextContentOfNodes() throws Exception {
         );
     }
 
-    /**
-     * XsetDirective can set text content of nodes.
-     * @throws Exception If some problem inside
-     * @since 0.7
-     */
     @Test
     public void setsTextDirectlyIntoDomNodes() throws Exception {
         final Document dom = DocumentBuilderFactory.newInstance()
diff --git a/src/test/java/org/xembly/prof/DirectivesProfTest.java b/src/test/java/org/xembly/prof/DirectivesProfTest.java
index e4bd814..d1afcee 100644
--- a/src/test/java/org/xembly/prof/DirectivesProfTest.java
+++ b/src/test/java/org/xembly/prof/DirectivesProfTest.java
@@ -43,10 +43,6 @@
 @Loggable
 public final class DirectivesProfTest {
 
-    /**
-     * Directives can parse long program.
-     * @throws Exception If some problem inside
-     */
     @Test
     @SuppressWarnings("PMD.InsufficientStringBufferDeclaration")
     public void parsesLongProgram() throws Exception {
diff --git a/src/test/java/org/xembly/prof/XemblerProfTest.java b/src/test/java/org/xembly/prof/XemblerProfTest.java
index 80e2e3f..e67aecb 100644
--- a/src/test/java/org/xembly/prof/XemblerProfTest.java
+++ b/src/test/java/org/xembly/prof/XemblerProfTest.java
@@ -46,10 +46,6 @@
 @Loggable
 public final class XemblerProfTest {
 
-    /**
-     * Xembler can modify DOM.
-     * @throws Exception If some problem inside
-     */
     @Test
     @SuppressWarnings("PMD.InsufficientStringBufferDeclaration")
     public void modifiesDom() throws Exception {