diff --git a/TestCases/compliance-level-3/1156-range-function/1156-range-function-test-01.xml b/TestCases/compliance-level-3/1156-range-function/1156-range-function-test-01.xml
index e5af48e0c..dc83e68e5 100644
--- a/TestCases/compliance-level-3/1156-range-function/1156-range-function-test-01.xml
+++ b/TestCases/compliance-level-3/1156-range-function/1156-range-function-test-01.xml
@@ -141,42 +141,6 @@
         </resultNode>
     </testCase>
 
-    <testCase id="004_a">
-        <description>closed start endpoint with value and open endpoint with no value is valid and is unary GE equivalent </description>
-        <resultNode name="decision004_a" type="decision">
-            <expected>
-                <value xsi:type="xsd:boolean">true</value>
-            </expected>
-        </resultNode>
-    </testCase>
-
-    <testCase id="004_b">
-        <description>open start endpoint with value and open endpoint with no value is valid and is unary GT equivalent</description>
-        <resultNode name="decision004_b" type="decision">
-            <expected>
-                <value xsi:type="xsd:boolean">true</value>
-            </expected>
-        </resultNode>
-    </testCase>
-
-    <testCase id="004_c">
-        <description>open start endpoint with no value and closed endpoint with value is valid and is unary LE equivalent</description>
-        <resultNode name="decision004_c" type="decision">
-            <expected>
-                <value xsi:type="xsd:boolean">true</value>
-            </expected>
-        </resultNode>
-    </testCase>
-
-    <testCase id="004_d">
-        <description>closed start endpoint with no value and open endpoint with value is valid and is LT equivalent </description>
-        <resultNode name="decision004_d" type="decision">
-            <expected>
-                <value xsi:type="xsd:boolean">true</value>
-            </expected>
-        </resultNode>
-    </testCase>
-
     <testCase id="004_e">
         <description>closed start endpoint with no value is not valid and gives null</description>
         <resultNode name="decision004_e" type="decision" errorResult="true">
diff --git a/TestCases/compliance-level-3/1156-range-function/1156-range-function.dmn b/TestCases/compliance-level-3/1156-range-function/1156-range-function.dmn
index 943b24d8b..bf3010168 100644
--- a/TestCases/compliance-level-3/1156-range-function/1156-range-function.dmn
+++ b/TestCases/compliance-level-3/1156-range-function/1156-range-function.dmn
@@ -131,38 +131,6 @@
         </literalExpression>
     </decision>
 
-    <decision name="decision004_a" id="_decision004_a">
-        <!-- closed start endpoint with value and open endpoint with no value is valid and is unary GE equivalent -->
-        <variable name="decision004_a"/>
-        <literalExpression>
-            <text>range("[2..)") = >=2</text>
-        </literalExpression>
-    </decision>
-
-    <decision name="decision004_b" id="_decision004_b">
-        <!-- open start endpoint with value and open endpoint with no value is valid and is unary GT equivalent -->
-        <variable name="decision004_b"/>
-        <literalExpression>
-            <text>range("(2..)") = >2</text>
-        </literalExpression>
-    </decision>
-
-    <decision name="decision004_c" id="_decision004_c">
-        <!-- open start endpoint with no value and closed endpoint with value is valid and is unary LE equivalent -->
-        <variable name="decision004_c"/>
-        <literalExpression>
-            <text>range("(..2]") = &lt;=2</text>
-        </literalExpression>
-    </decision>
-
-    <decision name="decision004_d" id="_decision004_d">
-        <!-- closed start endpoint with no value and open endpoint with value is valid and is LT equivalent -->
-        <variable name="decision004_d"/>
-        <literalExpression>
-            <text>range("(..2)") = &lt;2</text>
-        </literalExpression>
-    </decision>
-
     <decision name="decision004_e" id="_decision004_e">
         <!-- closed start endpoint with no value is not valid and gives null -->
         <variable name="decision004_e"/>