diff --git a/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/api/impl/s2j/SchemaCompilerImpl.java b/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/api/impl/s2j/SchemaCompilerImpl.java
index 568ee86cd..eee113317 100644
--- a/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/api/impl/s2j/SchemaCompilerImpl.java
+++ b/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/api/impl/s2j/SchemaCompilerImpl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2023 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Distribution License v. 1.0, which is available at
@@ -40,8 +40,6 @@
 import com.sun.xml.bind.unmarshaller.DOMScanner;
 import com.sun.xml.bind.v2.util.XmlFactory;
 import com.sun.xml.xsom.XSSchemaSet;
-import java.nio.file.Files;
-import java.nio.file.Paths;
 
 import org.w3c.dom.Element;
 import org.w3c.dom.ls.LSInput;
@@ -215,11 +213,9 @@ public LSInput resolveResource(String type, String namespaceURI, String publicId
                             // XSOM passes the namespace URI to the publicID parameter.
                             // we do the same here .
                             InputSource is = opts.entityResolver.resolveEntity(namespaceURI, systemId == null ? "" : systemId);
-                            return isExists(is) ? new LSInputSAXWrapper(is) : null;
-                        } catch (SAXException e) {
-                            // TODO: is this sufficient?
-                            return null;
-                        } catch (IOException e) {
+                            if (is == null) return null;
+                            return new LSInputSAXWrapper(is);
+                        } catch (SAXException | IOException e) {
                             // TODO: is this sufficient?
                             return null;
                         }
@@ -293,21 +289,6 @@ public void fatalError(SAXParseException exception) {
             errorListener.fatalError(exception);
     }
 
-    private static boolean isExists(InputSource is) {
-        if (is == null) {
-            return false;
-        }
-        try {
-            URI uri = new URI(is.getSystemId());
-            if ("file".equals(uri.getScheme())) {
-                return Files.exists(Paths.get(uri));
-            }
-        } catch (URISyntaxException ex) {
-            //ignore, let it be handled by parser as is
-        }
-        return true;
-    }
-
     /**
      * We use JAXP 1.3 to do a schema correctness check, but we know
      * it doesn't always work. So in case some people hit the problem,
diff --git a/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/reader/internalizer/DOMForest.java b/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/reader/internalizer/DOMForest.java
index bf53e0deb..615d11179 100644
--- a/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/reader/internalizer/DOMForest.java
+++ b/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/reader/internalizer/DOMForest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2023 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Distribution License v. 1.0, which is available at
@@ -43,10 +43,6 @@
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
 import java.util.*;
 
 import static com.sun.xml.bind.v2.util.XmlFactory.allowExternalAccess;
@@ -267,26 +263,13 @@ public Document parse( String systemId, boolean root ) throws SAXException, IOEx
         InputSource is=null;
         
         // allow entity resolver to find the actual byte stream.
-        if( entityResolver!=null ) {
-            is = entityResolver.resolveEntity(null,systemId);
+        if (entityResolver != null) {
+            is = entityResolver.resolveEntity(null, systemId);
         }
         if (is == null) {
             is = new InputSource(systemId);
-        } else {
-            try {
-                URI uri = new URI(is.getSystemId());
-                if ("file".equals(uri.getScheme())) {
-                    if (!Files.exists(Paths.get(uri))) {
-                        //resolved file does not exist, warn and let's continue with original systemId
-                        errorReceiver.warning(null, Messages.format(
-                                Messages.DOMFOREST_CATALOG_INVALID_ENTRY, is.getSystemId(), systemId));
-                        is = new InputSource(systemId);
-                    }
-                }
-            } catch (URISyntaxException ex) {
-                //ignore, let it be handled by parser as is
-            }
         }
+
         // but we still use the original system Id as the key.
         return parse( systemId, is, root );
     }
diff --git a/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/reader/internalizer/Messages.java b/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/reader/internalizer/Messages.java
index b75e82c3c..c7f2ac0a6 100644
--- a/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/reader/internalizer/Messages.java
+++ b/jaxb-ri/xjc/src/main/java/com/sun/tools/xjc/reader/internalizer/Messages.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2023 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Distribution License v. 1.0, which is available at
@@ -66,7 +66,5 @@ static String format( String property, Object... args ) {
         "ERR_GENERAL_SCHEMA_CORRECTNESS_ERROR";
     static final String DOMFOREST_INPUTSOURCE_IOEXCEPTION = // arg:2
         "DOMFOREST_INPUTSOURCE_IOEXCEPTION";
-    static final String DOMFOREST_CATALOG_INVALID_ENTRY = // arg:2
-        "DOMFOREST_CATALOG_INVALID_ENTRY";
 
 }
diff --git a/jaxb-ri/xjc/src/main/resources/com/sun/tools/xjc/reader/internalizer/MessageBundle.properties b/jaxb-ri/xjc/src/main/resources/com/sun/tools/xjc/reader/internalizer/MessageBundle.properties
index f50c4d2f7..9655d1c39 100644
--- a/jaxb-ri/xjc/src/main/resources/com/sun/tools/xjc/reader/internalizer/MessageBundle.properties
+++ b/jaxb-ri/xjc/src/main/resources/com/sun/tools/xjc/reader/internalizer/MessageBundle.properties
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 1997, 2023 Oracle and/or its affiliates. All rights reserved.
 #
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Distribution License v. 1.0, which is available at
@@ -88,6 +88,3 @@ ERR_FILENAME_IS_NOT_URI = \
 
 DOMFOREST_INPUTSOURCE_IOEXCEPTION = \
     IOException thrown when processing "{0}". Exception: {1}.
-
-DOMFOREST_CATALOG_INVALID_ENTRY = \
-    Catalog points to non-existent resource: "{0}". Trying to reach "{1}" directly.