diff --git a/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/AbstractSharedCachingDataStore.java b/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/AbstractSharedCachingDataStore.java
index 569f45cd714..30085fcb063 100644
--- a/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/AbstractSharedCachingDataStore.java
+++ b/oak-blob-plugins/src/main/java/org/apache/jackrabbit/oak/plugins/blob/AbstractSharedCachingDataStore.java
@@ -28,6 +28,8 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.StandardOpenOption;
 import java.security.DigestOutputStream;
 import java.security.MessageDigest;
 import java.util.Iterator;
@@ -52,8 +54,6 @@
 import org.apache.jackrabbit.oak.spi.blob.AbstractSharedBackend;
 import org.apache.jackrabbit.oak.spi.blob.BlobOptions;
 import org.apache.jackrabbit.oak.stats.StatisticsProvider;
-import org.apache.jackrabbit.util.LazyFileInputStream;
-import org.apache.jackrabbit.util.TransientFileFactory;
 import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -323,11 +323,10 @@ public InputStream getStream() throws DataStoreException {
             try {
                 // If cache configured to 0 will return null
                 if (cached == null || !cached.exists()) {
-                    TransientFileFactory fileFactory = TransientFileFactory.getInstance();
-                    File tmpFile = fileFactory.createTransientFile("temp0cache", null, temp);
+                    final File tmpFile = Files.createTempFile(temp.toPath(), "blob-cache-", null).toFile();
                     try (InputStream in = backend.getRecord(getIdentifier()).getStream()) {
                         copyInputStreamToFile(in, tmpFile);
-                        return new LazyFileInputStream(tmpFile);
+                        return Files.newInputStream(tmpFile.toPath(), StandardOpenOption.DELETE_ON_CLOSE);
                     }
                 } else {
                     return new FileInputStream(cached);
diff --git a/oak-blob-plugins/src/test/java/org/apache/jackrabbit/oak/plugins/blob/CachingDataStoreTest.java b/oak-blob-plugins/src/test/java/org/apache/jackrabbit/oak/plugins/blob/CachingDataStoreTest.java
index eb046262aba..5421e4487c1 100644
--- a/oak-blob-plugins/src/test/java/org/apache/jackrabbit/oak/plugins/blob/CachingDataStoreTest.java
+++ b/oak-blob-plugins/src/test/java/org/apache/jackrabbit/oak/plugins/blob/CachingDataStoreTest.java
@@ -46,7 +46,6 @@
 import org.apache.jackrabbit.oak.spi.blob.BlobOptions;
 import org.apache.jackrabbit.oak.stats.DefaultStatisticsProvider;
 import org.apache.jackrabbit.oak.stats.StatisticsProvider;
-import org.apache.jackrabbit.util.LazyFileInputStream;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Rule;
@@ -192,13 +191,15 @@ public void loadDirectBackendTemp(long cacheSize) throws Exception {
         closer.register(is);
 
         assertNotNull(is);
-        assertTrue(is instanceof LazyFileInputStream);
-        ((LazyFileInputStream)is).open();
 
-        File tmp = new File(new File(path), "tmp");
-        Collection<File> temp0cacheFiles =
-            FileUtils.listFiles(tmp, FileFilterUtils.prefixFileFilter("temp0cache"), null);
-        assertEquals(1, temp0cacheFiles.size());
+
+        //  OAK-12098: Incorrect assumptions about files still to be present
+        // File tmp = new File(new File(path), "tmp");
+        //
+        // (tmp file names are implementation details)
+        // Collection<File> temp0cacheFiles =
+        //            FileUtils.listFiles(tmp, FileFilterUtils.prefixFileFilter("blob-cache-"), null);
+        //        assertEquals(1, temp0cacheFiles.size());
 
         assertFile(is, f, folder, false);