diff --git a/src/main/resources/org/eolang/lints/refs/broken-ref.xsl b/src/main/resources/org/eolang/lints/refs/broken-ref.xsl
index c5b5e8a..3cfa65f 100644
--- a/src/main/resources/org/eolang/lints/refs/broken-ref.xsl
+++ b/src/main/resources/org/eolang/lints/refs/broken-ref.xsl
@@ -26,34 +26,6 @@ SOFTWARE.
   <xsl:output encoding="UTF-8" method="xml"/>
   <xsl:template match="/">
     <defects>
-      <xsl:for-each select="//o[@ref and @ref!='' and not(matches(@ref, '^[0-9]+(\.[0-9]+)*$'))]">
-        <xsl:element name="defect">
-          <xsl:attribute name="line">
-            <xsl:value-of select="if (@line) then @line else '0'"/>
-          </xsl:attribute>
-          <xsl:attribute name="severity">
-            <xsl:text>error</xsl:text>
-          </xsl:attribute>
-          <xsl:text>The ref at "</xsl:text>
-          <xsl:value-of select="@base"/>
-          <xsl:text>" is wrongly formatted: "</xsl:text>
-          <xsl:value-of select="@ref"/>
-          <xsl:text>"</xsl:text>
-        </xsl:element>
-      </xsl:for-each>
-      <xsl:for-each select="//o[@ref and @ref='']">
-        <xsl:element name="defect">
-          <xsl:attribute name="line">
-            <xsl:value-of select="if (@line) then @line else '0'"/>
-          </xsl:attribute>
-          <xsl:attribute name="severity">
-            <xsl:text>error</xsl:text>
-          </xsl:attribute>
-          <xsl:text>The ref at "</xsl:text>
-          <xsl:value-of select="@base"/>
-          <xsl:text>" is empty</xsl:text>
-        </xsl:element>
-      </xsl:for-each>
       <xsl:for-each select="//o[@ref and @base]">
         <xsl:variable name="o" select="."/>
         <xsl:if test="not(//o[@name=$o/@base and @line=$o/@ref])">