diff --git a/examples/README.md b/examples/README.md
index 13b19da..ede07c3 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -3,17 +3,3 @@
 ```console
 ./bld compile run
 ```
-
-# Update Version Properties
-
-```console
-./bld update-major run
-./bld update-minor run
-./bld update-patch run
-```
-
-# Delete Version Properties
-
-```console
-./bld delete-version run
-```
\ No newline at end of file
diff --git a/examples/lib/bld/bld-wrapper.jar b/examples/lib/bld/bld-wrapper.jar
index d0dd498..dd5ee65 100644
Binary files a/examples/lib/bld/bld-wrapper.jar and b/examples/lib/bld/bld-wrapper.jar differ
diff --git a/examples/lib/bld/bld-wrapper.properties b/examples/lib/bld/bld-wrapper.properties
index 0af2487..014a912 100644
--- a/examples/lib/bld/bld-wrapper.properties
+++ b/examples/lib/bld/bld-wrapper.properties
@@ -1,6 +1,6 @@
 #Sun Apr 02 10:32:44 PDT 2023
+bld.extension=com.uwyn.rife2:bld-property-file:0.9.5
+bld.repositories=MAVEN_LOCAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.downloadExtensionSources=true
 bld.downloadLocation=
-bld.extension=com.uwyn.rife2:bld-property-file:0.9.6-SNAPSHOT
-bld.repositories=MAVEN_LOCAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.version=1.9.1
diff --git a/examples/src/bld/java/com/example/PropertyFileExampleBuild.java b/examples/src/bld/java/com/example/PropertyFileExampleBuild.java
index c004cc1..8b8ffca 100644
--- a/examples/src/bld/java/com/example/PropertyFileExampleBuild.java
+++ b/examples/src/bld/java/com/example/PropertyFileExampleBuild.java
@@ -50,7 +50,7 @@ public class PropertyFileExampleBuild extends Project {
         new PropertyFileExampleBuild().start(args);
     }
 
-    @BuildCommand(value = "update-major", summary = "Updates major version")
+    @BuildCommand(summary = "Updates major version")
     public void updateMajor() throws Exception {
         new PropertyFileOperation()
                 .fromProject(this)
@@ -66,7 +66,7 @@ public class PropertyFileExampleBuild extends Project {
                 .execute();
     }
 
-    @BuildCommand(value = "update-minor", summary = "Updates minor version")
+    @BuildCommand(summary = "Updates minor version")
     public void updateMinor() throws Exception {
         new PropertyFileOperation()
                 .fromProject(this)
@@ -82,7 +82,7 @@ public class PropertyFileExampleBuild extends Project {
                 .execute();
     }
 
-    @BuildCommand(value = "update-patch", summary = "Updates patch version")
+    @BuildCommand(summary = "Updates patch version")
     public void updatePatch() throws Exception {
         new PropertyFileOperation()
                 .fromProject(this)
@@ -98,7 +98,7 @@ public class PropertyFileExampleBuild extends Project {
                 .execute();
     }
 
-    @BuildCommand(value = "update-release", summary = "Updates the release")
+    @BuildCommand(summary = "Updates the release")
     public void updateRelease() throws Exception {
         new PropertyFileOperation()
                 .fromProject(this)
@@ -110,7 +110,7 @@ public class PropertyFileExampleBuild extends Project {
                 .execute();
     }
 
-    @BuildCommand(value = "delete-version", summary = "Delete version properties")
+    @BuildCommand(summary = "Delete version properties")
     public void deleteVersion() throws Exception {
         new PropertyFileOperation()
                 .fromProject(this)
diff --git a/lib/bld/bld-wrapper.jar b/lib/bld/bld-wrapper.jar
index d0dd498..1a3d0aa 100644
Binary files a/lib/bld/bld-wrapper.jar and b/lib/bld/bld-wrapper.jar differ
diff --git a/lib/bld/bld-wrapper.properties b/lib/bld/bld-wrapper.properties
index 7a65d7b..6e26fef 100644
--- a/lib/bld/bld-wrapper.properties
+++ b/lib/bld/bld-wrapper.properties
@@ -1,7 +1,7 @@
 bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
-bld.downloadLocation=
+bld.extension-pmd=com.uwyn.rife2:bld-pmd:0.9.9
 bld.extension-jacoco=com.uwyn.rife2:bld-jacoco-report:0.9.5
-bld.extension-pmd=com.uwyn.rife2:bld-pmd:1.1.0
 bld.repositories=MAVEN_CENTRAL,MAVEN_LOCAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
+bld.downloadLocation=
 bld.version=1.9.1
diff --git a/src/main/java/rife/bld/extension/propertyfile/Entry.java b/src/main/java/rife/bld/extension/propertyfile/Entry.java
index 379255c..816ce21 100644
--- a/src/main/java/rife/bld/extension/propertyfile/Entry.java
+++ b/src/main/java/rife/bld/extension/propertyfile/Entry.java
@@ -53,7 +53,7 @@ public class Entry extends EntryBase {
      * @return the entry
      */
     public Entry delete() {
-        setDelete();
+        setDelete(true);
         return this;
     }
 
diff --git a/src/main/java/rife/bld/extension/propertyfile/EntryBase.java b/src/main/java/rife/bld/extension/propertyfile/EntryBase.java
index b724ed3..b381b0f 100644
--- a/src/main/java/rife/bld/extension/propertyfile/EntryBase.java
+++ b/src/main/java/rife/bld/extension/propertyfile/EntryBase.java
@@ -28,15 +28,15 @@ import java.util.function.IntFunction;
  */
 @SuppressWarnings("PMD.DataClass")
 public class EntryBase {
-    private IntFunction<Integer> calc_;
-    private Object defaultValue_;
-    private boolean isDelete_;
-    private String key_;
-    private String modifyValue_ = "";
-    private BiFunction<String, String, String> modify_;
-    private Object newValue_;
-    private String pattern_ = "";
-    private EntryDate.Units unit_ = EntryDate.Units.DAY;
+    private IntFunction<Integer> calc;
+    private Object defaultValue;
+    private boolean isDelete;
+    private String key;
+    private BiFunction<String, String, String> modify;
+    private String modifyValue = "";
+    private Object newValue;
+    private String pattern = "";
+    private EntryDate.Units unit = EntryDate.Units.DAY;
 
     /**
      * Creates a new {@link EntryBase entry}.
@@ -44,7 +44,7 @@ public class EntryBase {
      * @param key the required property key
      */
     public EntryBase(String key) {
-        key_ = key;
+        this.key = key;
     }
 
     /**
@@ -53,7 +53,7 @@ public class EntryBase {
      * @return the calc function
      */
     protected IntFunction<Integer> getCalc() {
-        return calc_;
+        return calc;
     }
 
     /**
@@ -62,7 +62,7 @@ public class EntryBase {
      * @return the default value
      */
     protected Object getDefaultValue() {
-        return defaultValue_;
+        return defaultValue;
     }
 
     /**
@@ -71,7 +71,7 @@ public class EntryBase {
      * @return the key
      */
     protected String getKey() {
-        return key_;
+        return key;
     }
 
     /**
@@ -80,16 +80,16 @@ public class EntryBase {
      * @return the modify function
      */
     protected BiFunction<String, String, String> getModify() {
-        return modify_;
+        return modify;
     }
 
     /**
-     * Returns the value to be used in the {@link #modify_} function.
+     * Returns the value to be used in the {@link #modify} function.
      *
      * @return the modify value
      */
     protected String getModifyValue() {
-        return modifyValue_;
+        return modifyValue;
     }
 
     /**
@@ -98,7 +98,7 @@ public class EntryBase {
      * @return the new value
      */
     public Object getNewValue() {
-        return newValue_;
+        return newValue;
     }
 
     /**
@@ -107,7 +107,7 @@ public class EntryBase {
      * @return the pattern
      */
     protected String getPattern() {
-        return pattern_;
+        return pattern;
     }
 
     /**
@@ -116,7 +116,7 @@ public class EntryBase {
      * @return the unit
      */
     protected EntryDate.Units getUnit() {
-        return unit_;
+        return unit;
     }
 
     /**
@@ -125,7 +125,7 @@ public class EntryBase {
      * @return {@code true} or {@code false}
      */
     protected boolean isDelete() {
-        return isDelete_;
+        return isDelete;
     }
 
     /**
@@ -136,7 +136,7 @@ public class EntryBase {
      */
     @SuppressWarnings("unused")
     public EntryBase key(String key) {
-        key_ = key;
+        setKey(key);
         return this;
     }
 
@@ -146,7 +146,7 @@ public class EntryBase {
      * @param calc the calc function
      */
     protected void setCalc(IntFunction<Integer> calc) {
-        calc_ = calc;
+        this.calc = calc;
     }
 
     /**
@@ -155,14 +155,16 @@ public class EntryBase {
      * @param defaultValue the default value
      */
     protected void setDefaultValue(Object defaultValue) {
-        defaultValue_ = defaultValue;
+        this.defaultValue = defaultValue;
     }
 
     /**
-     * Sets the {@link java.util.Properties property} to be deleted.
+     * Sets whether the {@link java.util.Properties property} should be deleted.
+     *
+     * @param delete {@code true} or {@code false}
      */
-    protected void setDelete() {
-        isDelete_ = true;
+    protected void setDelete(boolean delete) {
+        isDelete = delete;
     }
 
     /**
@@ -171,7 +173,7 @@ public class EntryBase {
      * @param key the {@link java.util.Properties property} key
      */
     protected void setKey(String key) {
-        key_ = key;
+        this.key = key;
     }
 
     /**
@@ -180,7 +182,7 @@ public class EntryBase {
      * @param modify the modify function
      */
     protected void setModify(BiFunction<String, String, String> modify) {
-        modify_ = modify;
+        this.modify = modify;
     }
 
     /**
@@ -190,8 +192,8 @@ public class EntryBase {
      * @param modify the modify function
      */
     protected void setModify(String value, BiFunction<String, String, String> modify) {
-        modifyValue_ = value;
-        modify_ = modify;
+        this.modifyValue = value;
+        this.modify = modify;
     }
 
     /**
@@ -200,7 +202,7 @@ public class EntryBase {
      * @param value the modify value.
      */
     protected void setModifyValue(String value) {
-        modifyValue_ = value;
+        this.modifyValue = value;
     }
 
     /**
@@ -209,7 +211,7 @@ public class EntryBase {
      * @param newValue the new value
      */
     public void setNewValue(Object newValue) {
-        newValue_ = newValue;
+        this.newValue = newValue;
     }
 
     /**
@@ -219,7 +221,7 @@ public class EntryBase {
      * @param pattern the pattern
      */
     protected void setPattern(String pattern) {
-        pattern_ = pattern;
+        this.pattern = pattern;
     }
 
     /**
@@ -228,6 +230,6 @@ public class EntryBase {
      * @param unit the {@link EntryDate.Units unit}
      */
     protected void setUnit(EntryDate.Units unit) {
-        unit_ = unit;
+        this.unit = unit;
     }
 }
diff --git a/src/main/java/rife/bld/extension/propertyfile/EntryDate.java b/src/main/java/rife/bld/extension/propertyfile/EntryDate.java
index a25b0e1..4d7fba3 100644
--- a/src/main/java/rife/bld/extension/propertyfile/EntryDate.java
+++ b/src/main/java/rife/bld/extension/propertyfile/EntryDate.java
@@ -54,7 +54,7 @@ public class EntryDate extends EntryBase {
      * @return this instance
      */
     public EntryDate delete() {
-        setDelete();
+        setDelete(true);
         return this;
     }
 
diff --git a/src/main/java/rife/bld/extension/propertyfile/EntryInt.java b/src/main/java/rife/bld/extension/propertyfile/EntryInt.java
index 54226f4..753d3e7 100644
--- a/src/main/java/rife/bld/extension/propertyfile/EntryInt.java
+++ b/src/main/java/rife/bld/extension/propertyfile/EntryInt.java
@@ -63,7 +63,7 @@ public class EntryInt extends EntryBase {
      * @return this instance
      */
     public EntryInt delete() {
-        setDelete();
+        setDelete(true);
         return this;
     }
 
diff --git a/src/main/java/rife/bld/extension/propertyfile/PropertyFileOperation.java b/src/main/java/rife/bld/extension/propertyfile/PropertyFileOperation.java
index 0ecf5d7..e01cb11 100644
--- a/src/main/java/rife/bld/extension/propertyfile/PropertyFileOperation.java
+++ b/src/main/java/rife/bld/extension/propertyfile/PropertyFileOperation.java
@@ -31,11 +31,11 @@ import java.util.Properties;
  * @since 1.0
  */
 public class PropertyFileOperation extends AbstractOperation<PropertyFileOperation> {
-    private final List<EntryBase> entries_ = new ArrayList<>();
-    private String comment_ = "";
-    private boolean failOnWarning_;
-    private File file_;
-    private BaseProject project_;
+    private final List<EntryBase> entries = new ArrayList<>();
+    private String comment = "";
+    private boolean failOnWarning;
+    private File file;
+    private BaseProject project;
 
     /**
      * Sets the comment to be inserted at the top of the {@link java.util.Properties} file.
@@ -43,8 +43,9 @@ public class PropertyFileOperation extends AbstractOperation<PropertyFileOperati
      * @param comment the header comment
      * @return this instance
      */
+    @SuppressWarnings("unused")
     public PropertyFileOperation comment(String comment) {
-        comment_ = comment;
+        this.comment = comment;
         return this;
     }
 
@@ -57,7 +58,7 @@ public class PropertyFileOperation extends AbstractOperation<PropertyFileOperati
      */
     @SuppressWarnings("unused")
     public PropertyFileOperation entry(EntryBase entry) {
-        entries_.add(entry);
+        entries.add(entry);
         return this;
     }
 
@@ -66,18 +67,18 @@ public class PropertyFileOperation extends AbstractOperation<PropertyFileOperati
      */
     @Override
     public void execute() throws Exception {
-        var commandName = project_.getCurrentCommandName();
+        var commandName = project.getCurrentCommandName();
         var properties = new Properties();
         var success = false;
 
-        if (file_ == null) {
+        if (file == null) {
             PropertyFileUtils.warn(commandName, "A properties file must be specified.");
         } else {
-            success = PropertyFileUtils.loadProperties(commandName, file_, properties);
+            success = PropertyFileUtils.loadProperties(commandName, file, properties);
         }
 
         if (success) {
-            for (var entry : entries_) {
+            for (var entry : entries) {
                 if (entry.getKey().isBlank()) {
                     PropertyFileUtils.warn(commandName, "An entry key must specified.");
                 } else {
@@ -93,9 +94,9 @@ public class PropertyFileOperation extends AbstractOperation<PropertyFileOperati
                         PropertyFileUtils.warn(commandName, "An entry must be set or have a default value: " + key);
                     } else {
                         if (entry instanceof EntryDate) {
-                            success = PropertyFileUtils.processDate(commandName, properties, (EntryDate) entry, failOnWarning_);
+                            success = PropertyFileUtils.processDate(commandName, properties, (EntryDate) entry, failOnWarning);
                         } else if (entry instanceof EntryInt) {
-                            success = PropertyFileUtils.processInt(commandName, properties, (EntryInt) entry, failOnWarning_);
+                            success = PropertyFileUtils.processInt(commandName, properties, (EntryInt) entry, failOnWarning);
                         } else {
                             success = PropertyFileUtils.processString(properties, (Entry) entry);
                         }
@@ -105,7 +106,7 @@ public class PropertyFileOperation extends AbstractOperation<PropertyFileOperati
         }
 
         if (success) {
-            PropertyFileUtils.saveProperties(file_, comment_, properties);
+            PropertyFileUtils.saveProperties(file, comment, properties);
         }
     }
 
@@ -115,8 +116,9 @@ public class PropertyFileOperation extends AbstractOperation<PropertyFileOperati
      * @param failOnWarning if set to {@code true}, the execution will fail on any warnings.
      * @return this instance
      */
+    @SuppressWarnings("unused")
     public PropertyFileOperation failOnWarning(boolean failOnWarning) {
-        failOnWarning_ = failOnWarning;
+        this.failOnWarning = failOnWarning;
         return this;
     }
 
@@ -126,8 +128,9 @@ public class PropertyFileOperation extends AbstractOperation<PropertyFileOperati
      * @param file the file to be edited
      * @return this instance
      */
+    @SuppressWarnings("unused")
     public PropertyFileOperation file(File file) {
-        file_ = file;
+        this.file = file;
         return this;
     }
 
@@ -137,8 +140,9 @@ public class PropertyFileOperation extends AbstractOperation<PropertyFileOperati
      * @param file the file to be edited
      * @return this instance
      */
+    @SuppressWarnings("unused")
     public PropertyFileOperation file(String file) {
-        file_ = new File(file);
+        this.file = new File(file);
         return this;
     }
 
@@ -149,7 +153,7 @@ public class PropertyFileOperation extends AbstractOperation<PropertyFileOperati
      * @return this instance
      */
     public PropertyFileOperation fromProject(BaseProject project) {
-        project_ = project;
+        this.project = project;
         return this;
     }
 }
diff --git a/src/main/java/rife/bld/extension/propertyfile/PropertyFileUtils.java b/src/main/java/rife/bld/extension/propertyfile/PropertyFileUtils.java
index 8e1c774..feb1603 100644
--- a/src/main/java/rife/bld/extension/propertyfile/PropertyFileUtils.java
+++ b/src/main/java/rife/bld/extension/propertyfile/PropertyFileUtils.java
@@ -104,10 +104,12 @@ public final class PropertyFileUtils {
     public static boolean processDate(String command, Properties p, EntryDate entry, boolean failOnWarning)
             throws Exception {
         var success = true;
-        var value = currentValue(null, entry.getDefaultValue(), entry.getNewValue());
+        var value = currentValue(null, entry.getDefaultValue(),
+                entry.getNewValue());
+
         var pattern = entry.getPattern();
 
-        var parsedValue = String.valueOf(value);
+        String parsedValue = String.valueOf(value);
         if (pattern != null && !pattern.isBlank()) {
             var offset = 0;
 
@@ -237,7 +239,6 @@ public final class PropertyFileUtils {
      * @param entry the {@link Entry} containing the {@link Properties property} edits
      * @return the boolean
      */
-    @SuppressWarnings("SameReturnValue")
     public static boolean processString(Properties p, Entry entry) {
         var value = currentValue(p.getProperty(entry.getKey()), entry.getDefaultValue(), entry.getNewValue());
 
@@ -289,7 +290,6 @@ public final class PropertyFileUtils {
      */
     @SuppressWarnings({"PMD.SignatureDeclareThrowsException"})
     static void warn(String command, String message, Exception e, boolean failOnWarning) throws Exception {
-        LOGGER.warning("ahah");
         if (failOnWarning) {
             LOGGER.log(Level.SEVERE, '[' + command + "] " + message, e);
             throw e;
diff --git a/src/test/java/rife/bld/extension/propertyfile/PropertyFileOperationTest.java b/src/test/java/rife/bld/extension/propertyfile/PropertyFileOperationTest.java
deleted file mode 100644
index 22dc242..0000000
--- a/src/test/java/rife/bld/extension/propertyfile/PropertyFileOperationTest.java
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright 2023-Copyright $today.yearamp;#36;today.year the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package rife.bld.extension.propertyfile;
-
-import org.junit.jupiter.api.Test;
-import rife.bld.Project;
-
-import java.io.File;
-import java.nio.file.Files;
-import java.time.LocalDate;
-import java.time.format.DateTimeFormatter;
-import java.util.Properties;
-
-import static org.assertj.core.api.Assertions.assertThat;
-import static rife.bld.extension.propertyfile.Calc.ADD;
-
-class PropertyFileOperationTest {
-    @Test
-    @SuppressWarnings("PMD.AvoidDuplicateLiterals")
-    void testExecute() throws Exception {
-        var tmpFile = File.createTempFile("property-file-", "properties");
-        tmpFile.deleteOnExit();
-
-        new PropertyFileOperation()
-                .fromProject(new Project())
-                .file(tmpFile)
-                .comment("This is a comment")
-                .failOnWarning(true)
-                .entry(new EntryInt("version.major").defaultValue(0).calc(ADD))
-                .entry(new EntryInt("version.minor").set(0))
-                .entry(new EntryInt("version.patch").set(0))
-                .entry(new EntryDate("build.date").now().pattern("yyyy-MM-dd"))
-                .execute();
-
-        var p = new Properties();
-        p.load(Files.newInputStream(tmpFile.toPath()));
-
-        assertThat(p.getProperty("version.major")).as("major").isEqualTo("1");
-        assertThat(p.getProperty("version.minor")).as("minor").isEqualTo("0");
-        assertThat(p.getProperty("version.patch")).as("patch").isEqualTo("0");
-        assertThat(p.getProperty("build.date")).as("date")
-                .isEqualTo(LocalDate.now().format(DateTimeFormatter.ISO_LOCAL_DATE));
-
-        new PropertyFileOperation()
-                .fromProject(new Project())
-                .file(tmpFile.getAbsolutePath())
-                .entry(new EntryInt("version.major").calc(c -> c + 2))
-                .execute();
-
-        p.load(Files.newInputStream(tmpFile.toPath()));
-        assertThat(p.getProperty("version.major")).as("major+2").isEqualTo("3");
-
-        new PropertyFileOperation()
-                .fromProject(new Project())
-                .file(tmpFile)
-                .entry(new EntryInt("build.date").delete())
-                .execute();
-
-        p.clear();
-        p.load(Files.newInputStream(tmpFile.toPath()));
-
-        assertThat(p.getProperty("build.date")).as("dalete build.date").isNull();
-        assertThat(p).as("version keys").containsKeys("version.major", "version.minor", "version.patch");
-    }
-}
diff --git a/src/test/java/rife/bld/extension/propertyfile/PropertyFileUtilsTest.java b/src/test/java/rife/bld/extension/propertyfile/PropertyFileUtilsTest.java
index 3bce5aa..d64e767 100644
--- a/src/test/java/rife/bld/extension/propertyfile/PropertyFileUtilsTest.java
+++ b/src/test/java/rife/bld/extension/propertyfile/PropertyFileUtilsTest.java
@@ -58,6 +58,7 @@ class PropertyFileUtilsTest {
     }
 
     @Test
+    @SuppressWarnings("PMD.SignatureDeclareThrowsException")
     void parseDateSub() throws Exception {
         var entryDate = newEntryDate();
         entryDate.setCalc(SUB);
@@ -83,6 +84,7 @@ class PropertyFileUtilsTest {
     }
 
     @Test
+    @SuppressWarnings("PMD.SignatureDeclareThrowsException")
     void parseIntSubTest() throws Exception {
         var entryInt = newEntryInt();
         entryInt.calc(SUB);
@@ -146,6 +148,7 @@ class PropertyFileUtilsTest {
     }
 
     @Test
+    @SuppressWarnings("PMD.SignatureDeclareThrowsException")
     void parseTimeTest() throws Exception {
         var entry = new EntryDate("time").pattern("m");
         var time = LocalTime.now();
@@ -162,6 +165,7 @@ class PropertyFileUtilsTest {
     }
 
     @Test
+    @SuppressWarnings("PMD.SignatureDeclareThrowsException")
     void processDateAddTest() throws Exception {
         var entryDate = newEntryDate();
         entryDate.setCalc(ADD);
@@ -185,6 +189,7 @@ class PropertyFileUtilsTest {
     }
 
     @Test
+    @SuppressWarnings("PMD.SignatureDeclareThrowsException")
     void processIntAddTest() throws Exception {
         var entryInt = newEntryInt();
         entryInt.calc(ADD);
@@ -228,6 +233,7 @@ class PropertyFileUtilsTest {
     }
 
     @Test
+    @SuppressWarnings("PMD.SignatureDeclareThrowsException")
     void savePropertiesTest() throws Exception {
         var p = new Properties();
         var test = "test";