diff --git a/nifi-commons/nifi-utils/src/main/java/org/apache/nifi/stream/io/StreamUtils.java b/nifi-commons/nifi-utils/src/main/java/org/apache/nifi/stream/io/StreamUtils.java
index 89ab54d554a7..6d04b624fa71 100644
--- a/nifi-commons/nifi-utils/src/main/java/org/apache/nifi/stream/io/StreamUtils.java
+++ b/nifi-commons/nifi-utils/src/main/java/org/apache/nifi/stream/io/StreamUtils.java
@@ -120,7 +120,9 @@ public static int fillBuffer(final InputStream source, final byte[] destination,
      * @throws IllegalArgumentException if the given byte array is smaller than <code>byteCount</code> elements.
      * @throws EOFException if the InputStream does not have <code>byteCount</code> bytes in the InputStream
      * @throws IOException if unable to read from the InputStream
+     * @deprecated Use {@link InputStream#readNBytes(byte[], int, int)} instead.
      */
+    @Deprecated(since = "2.12.0", forRemoval = true)
     public static void read(final InputStream source, final byte[] destination, final int byteCount) throws IOException {
         if (destination.length < byteCount) {
             throw new IllegalArgumentException();
diff --git a/nifi-extension-bundles/nifi-network-bundle/nifi-network-processors/src/main/java/org/apache/nifi/processors/network/pcap/SplitPCAP.java b/nifi-extension-bundles/nifi-network-bundle/nifi-network-processors/src/main/java/org/apache/nifi/processors/network/pcap/SplitPCAP.java
index 89500362ffe4..feeb47a39d98 100644
--- a/nifi-extension-bundles/nifi-network-bundle/nifi-network-processors/src/main/java/org/apache/nifi/processors/network/pcap/SplitPCAP.java
+++ b/nifi-extension-bundles/nifi-network-bundle/nifi-network-processors/src/main/java/org/apache/nifi/processors/network/pcap/SplitPCAP.java
@@ -35,7 +35,6 @@
 import org.apache.nifi.processor.exception.ProcessException;
 import org.apache.nifi.processor.io.InputStreamCallback;
 import org.apache.nifi.processor.util.StandardValidators;
-import org.apache.nifi.stream.io.StreamUtils;
 
 import java.io.BufferedInputStream;
 import java.io.IOException;
@@ -196,7 +195,7 @@ public PCAPStreamSplitterCallback(ProcessSession session, FlowFile flowFile, int
 
         private Packet getNextPacket(final BufferedInputStream bufferedStream, final PCAP templatePcap, final int totalPackets) throws IOException {
             final byte[] packetHeader = new byte[Packet.PACKET_HEADER_LENGTH];
-            StreamUtils.read(bufferedStream, packetHeader, Packet.PACKET_HEADER_LENGTH);
+            bufferedStream.readNBytes(packetHeader, 0, Packet.PACKET_HEADER_LENGTH);
 
             final Packet currentPacket = new Packet(packetHeader, templatePcap);
 
@@ -206,7 +205,7 @@ private Packet getNextPacket(final BufferedInputStream bufferedStream, final PCA
 
             final int expectedLength = (int) currentPacket.expectedLength();
             final byte[] packetBody = new byte[expectedLength];
-            StreamUtils.read(bufferedStream, packetBody, expectedLength);
+            bufferedStream.readNBytes(packetBody, 0, expectedLength);
             currentPacket.setBody(packetBody);
 
             if (currentPacket.isInvalid()) {
@@ -227,7 +226,7 @@ public void process(final InputStream inStream) throws IOException {
             }
 
             final byte[] pcapHeader = new byte[PCAPHeader.PCAP_HEADER_LENGTH];
-            StreamUtils.read(bufferedStream, pcapHeader, PCAPHeader.PCAP_HEADER_LENGTH);
+            bufferedStream.readNBytes(pcapHeader, 0, PCAPHeader.PCAP_HEADER_LENGTH);
 
             int currentPcapTotalLength = PCAPHeader.PCAP_HEADER_LENGTH;
 
diff --git a/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/queue/clustered/server/StandardLoadBalanceProtocol.java b/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/queue/clustered/server/StandardLoadBalanceProtocol.java
index ad0592f485f0..43a7a2977bce 100644
--- a/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/queue/clustered/server/StandardLoadBalanceProtocol.java
+++ b/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/queue/clustered/server/StandardLoadBalanceProtocol.java
@@ -452,7 +452,7 @@ private void verifyChecksum(final Checksum checksum, final InputStream in, final
 
     private long readChecksum(final InputStream in) throws IOException {
         final byte[] buffer = getDataBuffer();
-        StreamUtils.read(in, buffer, 8);
+        in.readNBytes(buffer, 0, 8);
         return ByteBuffer.wrap(buffer, 0, 8).getLong();
     }