diff --git a/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-api/src/main/java/org/eclipse/jetty/ee10/websocket/api/RemoteEndpoint.java b/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-api/src/main/java/org/eclipse/jetty/ee10/websocket/api/RemoteEndpoint.java
index 682b083ae7b3..d46fa6f3f2e4 100644
--- a/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-api/src/main/java/org/eclipse/jetty/ee10/websocket/api/RemoteEndpoint.java
+++ b/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-api/src/main/java/org/eclipse/jetty/ee10/websocket/api/RemoteEndpoint.java
@@ -103,9 +103,8 @@ public interface RemoteEndpoint
      * @param fragment the text being sent
      * @param isLast true if this is the last piece of the partial bytes
      * @param callback callback to notify of success or failure of the write operation
-     * @throws IOException this never throws IOException, it was a mistake to have this in the signature.
      */
-    void sendPartialString(String fragment, boolean isLast, WriteCallback callback) throws IOException;
+    void sendPartialString(String fragment, boolean isLast, WriteCallback callback);
 
     /**
      * Send a Ping message containing the given application data to the remote endpoint, blocking until all of the
diff --git a/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-common/src/main/java/org/eclipse/jetty/ee10/websocket/common/JettyWebSocketRemoteEndpoint.java b/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-common/src/main/java/org/eclipse/jetty/ee10/websocket/common/JettyWebSocketRemoteEndpoint.java
index 13172bb5d871..3bda018a8944 100644
--- a/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-common/src/main/java/org/eclipse/jetty/ee10/websocket/common/JettyWebSocketRemoteEndpoint.java
+++ b/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-common/src/main/java/org/eclipse/jetty/ee10/websocket/common/JettyWebSocketRemoteEndpoint.java
@@ -124,7 +124,6 @@ public void sendPartialString(String fragment, boolean isLast) throws IOExceptio
         b.block(getBlockingTimeout(), TimeUnit.MILLISECONDS);
     }
 
-    // FIXME: Remove the throws IOException from API for this method in the next major release.
     @Override
     public void sendPartialString(String fragment, boolean isLast, WriteCallback callback)
     {
diff --git a/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-tests/src/test/java/org/eclipse/jetty/ee10/websocket/tests/AnnotatedPartialListenerTest.java b/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-tests/src/test/java/org/eclipse/jetty/ee10/websocket/tests/AnnotatedPartialListenerTest.java
index 768af6760d2b..8d5148d20552 100644
--- a/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-tests/src/test/java/org/eclipse/jetty/ee10/websocket/tests/AnnotatedPartialListenerTest.java
+++ b/jetty-ee10/jetty-ee10-websocket/jetty-ee10-websocket-jetty-tests/src/test/java/org/eclipse/jetty/ee10/websocket/tests/AnnotatedPartialListenerTest.java
@@ -13,7 +13,6 @@
 
 package org.eclipse.jetty.ee10.websocket.tests;
 
-import java.io.IOException;
 import java.net.URI;
 import java.nio.ByteBuffer;
 import java.util.Objects;
@@ -62,14 +61,7 @@ public void onWebSocketPartialBinary(ByteBuffer payload, boolean fin)
         @Override
         public void onWebSocketPartialText(String payload, boolean fin)
         {
-            try
-            {
-                session.getRemote().sendPartialString(payload, fin, WriteCallback.NOOP);
-            }
-            catch (IOException e)
-            {
-                throw new IllegalStateException(e);
-            }
+            session.getRemote().sendPartialString(payload, fin, WriteCallback.NOOP);
         }
     }
 
diff --git a/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-api/src/main/java/org/eclipse/jetty/ee9/websocket/api/RemoteEndpoint.java b/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-api/src/main/java/org/eclipse/jetty/ee9/websocket/api/RemoteEndpoint.java
index c6c4f6b0c8c2..6a45b6d588ce 100644
--- a/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-api/src/main/java/org/eclipse/jetty/ee9/websocket/api/RemoteEndpoint.java
+++ b/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-api/src/main/java/org/eclipse/jetty/ee9/websocket/api/RemoteEndpoint.java
@@ -103,9 +103,8 @@ public interface RemoteEndpoint
      * @param fragment the text being sent
      * @param isLast true if this is the last piece of the partial bytes
      * @param callback callback to notify of success or failure of the write operation
-     * @throws IOException this never throws IOException, it was a mistake to have this in the signature.
      */
-    void sendPartialString(String fragment, boolean isLast, WriteCallback callback) throws IOException;
+    void sendPartialString(String fragment, boolean isLast, WriteCallback callback);
 
     /**
      * Send a Ping message containing the given application data to the remote endpoint, blocking until all of the
diff --git a/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-common/src/main/java/org/eclipse/jetty/ee9/websocket/common/JettyWebSocketRemoteEndpoint.java b/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-common/src/main/java/org/eclipse/jetty/ee9/websocket/common/JettyWebSocketRemoteEndpoint.java
index 9a94ddb14ba1..5f15844024c1 100644
--- a/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-common/src/main/java/org/eclipse/jetty/ee9/websocket/common/JettyWebSocketRemoteEndpoint.java
+++ b/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-common/src/main/java/org/eclipse/jetty/ee9/websocket/common/JettyWebSocketRemoteEndpoint.java
@@ -124,7 +124,6 @@ public void sendPartialString(String fragment, boolean isLast) throws IOExceptio
         b.block(getBlockingTimeout(), TimeUnit.MILLISECONDS);
     }
 
-    // FIXME: Remove the throws IOException from API for this method in the next major release.
     @Override
     public void sendPartialString(String fragment, boolean isLast, WriteCallback callback)
     {
diff --git a/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-tests/src/test/java/org/eclipse/jetty/ee9/websocket/tests/AnnotatedPartialListenerTest.java b/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-tests/src/test/java/org/eclipse/jetty/ee9/websocket/tests/AnnotatedPartialListenerTest.java
index e9d50c85bb23..d007469e0419 100644
--- a/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-tests/src/test/java/org/eclipse/jetty/ee9/websocket/tests/AnnotatedPartialListenerTest.java
+++ b/jetty-ee9/jetty-ee9-websocket/jetty-ee9-websocket-jetty-tests/src/test/java/org/eclipse/jetty/ee9/websocket/tests/AnnotatedPartialListenerTest.java
@@ -13,7 +13,6 @@
 
 package org.eclipse.jetty.ee9.websocket.tests;
 
-import java.io.IOException;
 import java.net.URI;
 import java.nio.ByteBuffer;
 import java.util.Objects;
@@ -62,14 +61,7 @@ public void onWebSocketPartialBinary(ByteBuffer payload, boolean fin)
         @Override
         public void onWebSocketPartialText(String payload, boolean fin)
         {
-            try
-            {
-                session.getRemote().sendPartialString(payload, fin, WriteCallback.NOOP);
-            }
-            catch (IOException e)
-            {
-                throw new IllegalStateException(e);
-            }
+            session.getRemote().sendPartialString(payload, fin, WriteCallback.NOOP);
         }
     }