diff --git a/src/main/java/com/adobe/epubcheck/vocab/PackageVocabs.java b/src/main/java/com/adobe/epubcheck/vocab/PackageVocabs.java
index 469124736..a1d0e6d6c 100644
--- a/src/main/java/com/adobe/epubcheck/vocab/PackageVocabs.java
+++ b/src/main/java/com/adobe/epubcheck/vocab/PackageVocabs.java
@@ -82,7 +82,8 @@ public static enum ITEMREF_PROPERTIES
 
   public static enum LINKREL_PROPERTIES implements PropertyStatus
   {
-    ACQUIRE,
+    ACQUIRE, // note: no longer defined in EPUB 3.3, but still accepted for
+             // backward compatibility with the EPUB Previews specification
     ALTERNATE,
     MARC21XML_RECORD(DEPRECATED),
     MODS_RECORD(DEPRECATED),
@@ -123,7 +124,6 @@ public boolean isDeprecated()
   public static enum LINK_PROPERTIES
   {
     ONIX,
-    XMP;
   }
 
   private PackageVocabs()
diff --git a/src/main/resources/com/adobe/epubcheck/messages/MessageBundle.properties b/src/main/resources/com/adobe/epubcheck/messages/MessageBundle.properties
index f942fdac3..973446a74 100644
--- a/src/main/resources/com/adobe/epubcheck/messages/MessageBundle.properties
+++ b/src/main/resources/com/adobe/epubcheck/messages/MessageBundle.properties
@@ -190,7 +190,7 @@ OPF_086_SUG.marc21xml-record=the "record" keyword and the media-type "applicatio
 OPF_086_SUG.mods-record=the "record" keyword and the media-type "application/mods+xml"
 OPF_086_SUG.onix-record=the "record" keyword with the properties attribute value "onix"
 OPF_086_SUG.xml-signature=no signature-identifying link
-OPF_086_SUG.xmp-record=the "record" keyword with the properties attribute value "xmp"
+OPF_086_SUG.xmp-record=the "record" keyword
 OPF_086b=epub:type value "%1$s" is deprecated. Consider using %2$s instead.
 OPF_086b_SUG.default=a custom prefixed value
 OPF_086b_SUG.annoref=open annotations
diff --git a/src/test/resources/epub3/03-resources/files/file-url-in-package-document-error.opf b/src/test/resources/epub3/03-resources/files/file-url-in-package-document-error.opf
index ff5cb8f92..77949ea42 100644
--- a/src/test/resources/epub3/03-resources/files/file-url-in-package-document-error.opf
+++ b/src/test/resources/epub3/03-resources/files/file-url-in-package-document-error.opf
@@ -1,17 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<package xmlns="http://www.idpf.org/2007/opf" version="3.0" xml:lang="en" unique-identifier="q">
-<metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
-  <dc:title id="title">Minimal EPUB 3.0</dc:title>
-  <dc:language>en</dc:language>
-  <dc:identifier id="q">NOID</dc:identifier>
-  <meta property="dcterms:modified">2017-06-14T00:00:01Z</meta>
-  <link href="file:example" rel="acquire" media-type="text/html"/>
-</metadata>
-<manifest>
-  <item id="content_001"  href="content_001.xhtml" media-type="application/xhtml+xml"/>
-  <item id="nav"  href="nav.xhtml" media-type="application/xhtml+xml" properties="nav"/>
-</manifest>
-<spine>
-  <itemref idref="content_001" />
-</spine>
-</package>
\ No newline at end of file
+<package xmlns="http://www.idpf.org/2007/opf" version="3.0" xml:lang="en" unique-identifier="q"
+  prefix="test: https://example.org">
+  <metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
+    <dc:title id="title">Minimal EPUB 3.0</dc:title>
+    <dc:language>en</dc:language>
+    <dc:identifier id="q">NOID</dc:identifier>
+    <meta property="dcterms:modified">2017-06-14T00:00:01Z</meta>
+    <link href="file:example" rel="test:rel" media-type="text/html"/>
+  </metadata>
+  <manifest>
+    <item id="content_001" href="content_001.xhtml" media-type="application/xhtml+xml"/>
+    <item id="nav" href="nav.xhtml" media-type="application/xhtml+xml" properties="nav"/>
+  </manifest>
+  <spine>
+    <itemref idref="content_001"/>
+  </spine>
+</package>
diff --git a/src/test/resources/epub3/D-vocabularies/files/link-rel-record-properties-valid.opf b/src/test/resources/epub3/D-vocabularies/files/link-rel-record-properties-valid.opf
index 4c5875ade..2568dcb2f 100644
--- a/src/test/resources/epub3/D-vocabularies/files/link-rel-record-properties-valid.opf
+++ b/src/test/resources/epub3/D-vocabularies/files/link-rel-record-properties-valid.opf
@@ -7,7 +7,6 @@
         <dc:identifier id="uid">NOID</dc:identifier>
         <meta property="dcterms:modified">2019-01-01T12:00:00Z</meta>
         <link rel="record" href="onix.xml" media-type="application/xml" properties="onix"/>
-        <link rel="record" href="xmp.xml" media-type="application/xml" properties="xmp"/>
         <link rel="record" href="other.xml" media-type="application/xml" properties="my:type"/>
     </metadata>
     <manifest>
diff --git a/src/test/resources/epub3/D-vocabularies/metadata-link.feature b/src/test/resources/epub3/D-vocabularies/metadata-link.feature
index 5ebd025ce..8329184bc 100644
--- a/src/test/resources/epub3/D-vocabularies/metadata-link.feature
+++ b/src/test/resources/epub3/D-vocabularies/metadata-link.feature
@@ -15,8 +15,11 @@ Feature: EPUB 3 — Vocabularies — Metadata link vocabulary
 
   #### D.4.1.1 acquire
   
-  @spec @xref:sec-acquire
   Scenario: an 'acquire' link can identify the full version of the publication
+    Note:
+      the 'acquire' relationship was removed in EPUB 3.3:
+      see https://github.com/w3c/epub-specs/issues/2489
+      it is still accepted, for backward compatibility. 
     When checking file 'link-rel-acquire-valid.opf'
     Then no errors or warnings are reported
 
@@ -69,10 +72,6 @@ Feature: EPUB 3 — Vocabularies — Metadata link vocabulary
     Then error OPF-094 is reported
     And no other errors or warnings are reported
 
-  Scenario: a 'record' link type can be further identified with a 'properties' attribute
-    When checking file 'link-rel-record-properties-valid.opf'
-    And no errors or warnings are reported
-
   @spec @xref:sec-record
   Scenario: a 'record' link cannot refine another property or resource
     When checking file 'link-rel-record-refines-error.opf'
@@ -117,3 +116,11 @@ Feature: EPUB 3 — Vocabularies — Metadata link vocabulary
     And error OPF-093 is reported
       # note: 'media-type' is now required, even on deprecated properties
     And no other errors or warnings are reported
+
+
+  ### D.4.2 Link properties
+
+  @spec @xref:sec-link-properties
+  Scenario: a 'record' link type can be further identified with a 'properties' attribute
+    When checking file 'link-rel-record-properties-valid.opf'
+    And no errors or warnings are reported