diff --git a/checkstyle.xml b/checkstyle.xml
index 4fc237d29c5a..1278ab774e05 100644
--- a/checkstyle.xml
+++ b/checkstyle.xml
@@ -58,7 +58,7 @@
 
   <!-- Checks that a package-info.java file exists for each package.     -->
   <!-- See https://checkstyle.org/checks/javadoc/javadocpackage.html#JavadocPackage -->
-  <!-- TODO <module name="JavadocPackage"/> -->
+  <module name="JavadocPackage"/>
 
   <!-- Checks whether files end with a new line.                        -->
   <!-- See https://checkstyle.org/checks/misc/newlineatendoffile.html -->
@@ -70,14 +70,14 @@
 
   <!-- Checks for Size Violations.                    -->
   <!-- See https://checkstyle.org/checks/sizes/index.html -->
-  <!-- TODO <module name="FileLength"/> -->
-  <!-- TODO <module name="LineLength">
+  <module name="FileLength"/>
+  <module name="LineLength">
     <property name="fileExtensions" value="java"/>
-  </module> -->
+  </module>
 
   <!-- Checks for whitespace                               -->
   <!-- See https://checkstyle.org/checks/whitespace/index.html -->
-  <!-- TODO <module name="FileTabCharacter"/> -->
+  <module name="FileTabCharacter"/>
 
   <!-- Miscellaneous other checks.                   -->
   <!-- See https://checkstyle.org/checks/misc/index.html -->
@@ -100,11 +100,11 @@
     <!-- Checks for Javadoc comments.                     -->
     <!-- See https://checkstyle.org/checks/javadoc/index.html -->
     <module name="InvalidJavadocPosition"/>
-    <!-- TODO <module name="JavadocMethod"/> -->
-    <!-- TODO <module name="JavadocType"/> -->
-    <!-- TODO <module name="JavadocVariable"/> -->
-    <!-- TODO <module name="JavadocStyle"/> -->
-    <!-- TODO <module name="MissingJavadocMethod"/> -->
+    <module name="JavadocMethod"/>
+    <module name="JavadocType"/>
+    <module name="JavadocVariable"/>
+    <module name="JavadocStyle"/>
+    <module name="MissingJavadocMethod"/>
 
     <!-- Checks for Naming Conventions.                  -->
     <!-- See https://checkstyle.org/checks/naming/index.html -->
@@ -135,9 +135,9 @@
     <!-- Checks for whitespace                               -->
     <!-- See https://checkstyle.org/checks/whitespace/index.html -->
     <module name="EmptyForIteratorPad"/>
-    <!-- TODO <module name="GenericWhitespace"/> -->
+    <module name="GenericWhitespace"/>
     <module name="MethodParamPad"/>
-    <!-- TODO <module name="NoWhitespaceAfter"/> -->
+    <module name="NoWhitespaceAfter"/>
     <module name="NoWhitespaceBefore"/>
     <module name="OperatorWrap"/>
     <module name="ParenPad"/>
@@ -153,19 +153,19 @@
     <!-- Checks for blocks. You know, those {}'s         -->
     <!-- See https://checkstyle.org/checks/blocks/index.html -->
     <module name="AvoidNestedBlocks"/>
-    <!-- TODO <module name="EmptyBlock"/> -->
-    <!-- TODO <module name="LeftCurly"/> -->
+    <module name="EmptyBlock"/>
+    <module name="LeftCurly"/>
     <module name="NeedBraces"/>
-    <!-- TODO <module name="RightCurly"/> -->
+    <module name="RightCurly"/>
 
     <!-- Checks for common coding problems               -->
     <!-- See https://checkstyle.org/checks/coding/index.html -->
     <module name="EmptyStatement"/>
     <module name="EqualsHashCode"/>
-    <!-- TODO <module name="HiddenField"/> -->
+    <module name="HiddenField"/>
     <module name="IllegalInstantiation"/>
     <module name="InnerAssignment"/>
-    <!-- TODO <module name="MagicNumber"/> -->
+    <module name="MagicNumber"/>
     <module name="MissingSwitchDefault"/>
     <module name="MultipleVariableDeclarations"/>
     <module name="SimplifyBooleanExpression"/>
@@ -173,17 +173,17 @@
 
     <!-- Checks for class design                         -->
     <!-- See https://checkstyle.org/checks/design/index.html -->
-    <!-- TODO <module name="DesignForExtension"/> -->
+    <module name="DesignForExtension"/>
     <module name="FinalClass"/>
     <module name="HideUtilityClassConstructor"/>
     <module name="InterfaceIsType"/>
-    <!-- TODO <module name="VisibilityModifier"/> -->
+    <module name="VisibilityModifier"/>
 
     <!-- Miscellaneous other checks.                   -->
     <!-- See https://checkstyle.org/checks/misc/index.html -->
     <module name="ArrayTypeStyle"/>
-    <!-- TODO <module name="FinalParameters"/> -->
-    <!-- TODO <module name="TodoComment"/> -->
+    <module name="FinalParameters"/>
+    <module name="TodoComment"/>
     <module name="UpperEll"/>
 
     <!-- https://checkstyle.org/filters/suppressionxpathfilter.html -->