diff --git a/modules/transport-netty4/src/main/java/org/elasticsearch/http/netty4/Netty4HttpServerTransport.java b/modules/transport-netty4/src/main/java/org/elasticsearch/http/netty4/Netty4HttpServerTransport.java
index 7ea9b6b5eea4a..b84370d98983c 100644
--- a/modules/transport-netty4/src/main/java/org/elasticsearch/http/netty4/Netty4HttpServerTransport.java
+++ b/modules/transport-netty4/src/main/java/org/elasticsearch/http/netty4/Netty4HttpServerTransport.java
@@ -143,17 +143,7 @@ public class Netty4HttpServerTransport extends AbstractLifecycleComponent implem
         Setting.byteSizeSetting("http.tcp.receive_buffer_size", NetworkService.TcpSettings.TCP_RECEIVE_BUFFER_SIZE,
             Property.NodeScope, Property.Shared);
     public static final Setting<ByteSizeValue> SETTING_HTTP_NETTY_RECEIVE_PREDICTOR_SIZE =
-        Setting.byteSizeSetting("transport.netty.receive_predictor_size",
-            settings -> {
-                long defaultReceiverPredictor = 512 * 1024;
-                if (JvmInfo.jvmInfo().getMem().getDirectMemoryMax().getBytes() > 0) {
-                    // we can guess a better default...
-                    long l = (long) ((0.3 * JvmInfo.jvmInfo().getMem().getDirectMemoryMax().getBytes()) / SETTING_HTTP_WORKER_COUNT.get
-                        (settings));
-                    defaultReceiverPredictor = Math.min(defaultReceiverPredictor, Math.max(l, 64 * 1024));
-                }
-                return new ByteSizeValue(defaultReceiverPredictor).toString();
-            }, Property.NodeScope);
+        Setting.byteSizeSetting("http.netty.receive_predictor_size", new ByteSizeValue(32, ByteSizeUnit.KB), Property.NodeScope);
     public static final Setting<ByteSizeValue> SETTING_HTTP_NETTY_RECEIVE_PREDICTOR_MIN =
         byteSizeSetting("http.netty.receive_predictor_min", SETTING_HTTP_NETTY_RECEIVE_PREDICTOR_SIZE, Property.NodeScope);
     public static final Setting<ByteSizeValue> SETTING_HTTP_NETTY_RECEIVE_PREDICTOR_MAX =
diff --git a/modules/transport-netty4/src/main/java/org/elasticsearch/transport/Netty4Plugin.java b/modules/transport-netty4/src/main/java/org/elasticsearch/transport/Netty4Plugin.java
index 59f9447d61c7a..2bea814221297 100644
--- a/modules/transport-netty4/src/main/java/org/elasticsearch/transport/Netty4Plugin.java
+++ b/modules/transport-netty4/src/main/java/org/elasticsearch/transport/Netty4Plugin.java
@@ -61,6 +61,9 @@ public List<Setting<?>> getSettings() {
             Netty4HttpServerTransport.SETTING_HTTP_TCP_REUSE_ADDRESS,
             Netty4HttpServerTransport.SETTING_HTTP_TCP_SEND_BUFFER_SIZE,
             Netty4HttpServerTransport.SETTING_HTTP_TCP_RECEIVE_BUFFER_SIZE,
+            Netty4HttpServerTransport.SETTING_HTTP_NETTY_RECEIVE_PREDICTOR_SIZE,
+            Netty4HttpServerTransport.SETTING_HTTP_NETTY_RECEIVE_PREDICTOR_MIN,
+            Netty4HttpServerTransport.SETTING_HTTP_NETTY_RECEIVE_PREDICTOR_MAX,
             Netty4Transport.WORKER_COUNT,
             Netty4Transport.NETTY_MAX_CUMULATION_BUFFER_CAPACITY,
             Netty4Transport.NETTY_MAX_COMPOSITE_BUFFER_COMPONENTS,
diff --git a/modules/transport-netty4/src/main/java/org/elasticsearch/transport/netty4/Netty4Transport.java b/modules/transport-netty4/src/main/java/org/elasticsearch/transport/netty4/Netty4Transport.java
index 5ff7823e37212..d5700b8682a7a 100644
--- a/modules/transport-netty4/src/main/java/org/elasticsearch/transport/netty4/Netty4Transport.java
+++ b/modules/transport-netty4/src/main/java/org/elasticsearch/transport/netty4/Netty4Transport.java
@@ -50,6 +50,7 @@
 import org.elasticsearch.common.settings.Setting;
 import org.elasticsearch.common.settings.Setting.Property;
 import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.unit.ByteSizeUnit;
 import org.elasticsearch.common.unit.ByteSizeValue;
 import org.elasticsearch.common.unit.TimeValue;
 import org.elasticsearch.common.util.BigArrays;
@@ -106,24 +107,12 @@ public class Netty4Transport extends TcpTransport<Channel> {
     public static final Setting<Integer> NETTY_MAX_COMPOSITE_BUFFER_COMPONENTS =
         Setting.intSetting("transport.netty.max_composite_buffer_components", -1, -1, Property.NodeScope, Property.Shared);
 
-    // See AdaptiveReceiveBufferSizePredictor#DEFAULT_XXX for default values in netty..., we can use higher ones for us, even fixed one
     public static final Setting<ByteSizeValue> NETTY_RECEIVE_PREDICTOR_SIZE = Setting.byteSizeSetting(
-            "transport.netty.receive_predictor_size",
-            settings -> {
-                long defaultReceiverPredictor = 512 * 1024;
-                if (JvmInfo.jvmInfo().getMem().getDirectMemoryMax().getBytes() > 0) {
-                    // we can guess a better default...
-                    long l = (long) ((0.3 * JvmInfo.jvmInfo().getMem().getDirectMemoryMax().getBytes()) / WORKER_COUNT.get(settings));
-                    defaultReceiverPredictor = Math.min(defaultReceiverPredictor, Math.max(l, 64 * 1024));
-                }
-                return new ByteSizeValue(defaultReceiverPredictor).toString();
-            },
-            Property.NodeScope,
-            Property.Shared);
+            "transport.netty.receive_predictor_size", new ByteSizeValue(32, ByteSizeUnit.KB), Property.NodeScope);
     public static final Setting<ByteSizeValue> NETTY_RECEIVE_PREDICTOR_MIN =
-        byteSizeSetting("transport.netty.receive_predictor_min", NETTY_RECEIVE_PREDICTOR_SIZE, Property.NodeScope, Property.Shared);
+        byteSizeSetting("transport.netty.receive_predictor_min", NETTY_RECEIVE_PREDICTOR_SIZE, Property.NodeScope);
     public static final Setting<ByteSizeValue> NETTY_RECEIVE_PREDICTOR_MAX =
-        byteSizeSetting("transport.netty.receive_predictor_max", NETTY_RECEIVE_PREDICTOR_SIZE, Property.NodeScope, Property.Shared);
+        byteSizeSetting("transport.netty.receive_predictor_max", NETTY_RECEIVE_PREDICTOR_SIZE, Property.NodeScope);
     public static final Setting<Integer> NETTY_BOSS_COUNT =
         intSetting("transport.netty.boss_count", 1, 1, Property.NodeScope, Property.Shared);