diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index 50388711..ff0b76fc 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -140,7 +140,10 @@
         </module>
         <module name="SimplifyBooleanExpression"/>
         <module name="SimplifyBooleanReturn"/>
-        <module name="StaticVariableName"/>
+        <module name="StaticVariableName">
+            <!-- disallow static, non-final variables -->
+            <property name="format" value="^$"/>
+        </module>
         <module name="StringLiteralEquality"/>
         <module name="SuperClone"/>
         <module name="SuperFinalize"/>