diff --git a/modules/tests/src/test/resources/testxml/general/TestUnaryUnion.xml b/modules/tests/src/test/resources/testxml/general/TestUnaryUnion.xml
index 090477fc86..c8f333fda4 100644
--- a/modules/tests/src/test/resources/testxml/general/TestUnaryUnion.xml
+++ b/modules/tests/src/test/resources/testxml/general/TestUnaryUnion.xml
@@ -1,6 +1,5 @@
 <run>
   <desc>Tests for Geometry.union() method (unary union)</desc>
-  <precisionModel scale="1.0" offsetx="0.0" offsety="0.0"/>
 
 <case>
   <desc>P - point (showing merging of identical points)</desc>
@@ -144,18 +143,6 @@
   </test>
 </case>
 
-<case>
-  <desc>mA - multipolygon (invalid) with topology collapse</desc>
-  <a>    MULTIPOLYGON (((0 0, 150 0, 150 1, 0 0)), 
-  ((180 0, 20 0, 20 100, 180 100, 180 0)))
-  </a>
-  <test>
-    <op name="union" arg1="A">
-  POLYGON ((150 0, 20 0, 20 100, 180 100, 180 0, 150 0))
-    </op>
-  </test>
-</case>
-
 <case>
   <desc>P - empty Point</desc>
   <a> POINT EMPTY