diff --git a/java/src/org/openqa/selenium/ie/InternetExplorerOptions.java b/java/src/org/openqa/selenium/ie/InternetExplorerOptions.java
index 4be0e4f7cb4ff..23efe3b4d1a80 100644
--- a/java/src/org/openqa/selenium/ie/InternetExplorerOptions.java
+++ b/java/src/org/openqa/selenium/ie/InternetExplorerOptions.java
@@ -237,8 +237,6 @@ private InternetExplorerOptions amend(String optionName, Object value) {
 
   @Override
   public void setCapability(String key, Object value) {
-    super.setCapability(key, value);
-
     if (IE_SWITCHES.equals(key)) {
       if (value instanceof List) {
         value = ((List<?>) value).stream().map(Object::toString).collect(Collectors.joining(" "));
@@ -247,6 +245,9 @@ public void setCapability(String key, Object value) {
 
     if (CAPABILITY_NAMES.contains(key)) {
       ieOptions.put(key, value);
+    } else if (!IE_OPTIONS.equals(key)) {
+      // Regular, top level value
+      super.setCapability(key, value);
     }
 
     if (IE_OPTIONS.equals(key)) {
@@ -257,17 +258,17 @@ public void setCapability(String key, Object value) {
       } else if (value instanceof Capabilities) {
         streamFrom = ((Capabilities) value).asMap();
       } else {
-        throw new IllegalArgumentException("Value must not be null for " + key);
+        throw new IllegalArgumentException(
+          "Value for " + key + " must be of type Map or Capabilities");
       }
-
       streamFrom.entrySet().stream()
-        .filter(e -> CAPABILITY_NAMES.contains(e.getKey()))
-        .filter(e -> e.getValue() != null)
-        .forEach(e -> {
-          if (IE_SWITCHES.equals(e.getKey())) {
-            setCapability(e.getKey(), Arrays.asList((e.getValue().toString()).split(" ")));
+        .filter(entry -> CAPABILITY_NAMES.contains(entry.getKey()))
+        .filter(entry -> entry.getValue() != null)
+        .forEach(entry -> {
+          if (IE_SWITCHES.equals(entry.getKey())) {
+            setCapability(entry.getKey(), Arrays.asList((entry.getValue().toString()).split(" ")));
           } else {
-            setCapability(e.getKey(), e.getValue());
+            setCapability(entry.getKey(), entry.getValue());
           }
         });
     }
diff --git a/java/src/org/openqa/selenium/remote/RemoteWebDriver.java b/java/src/org/openqa/selenium/remote/RemoteWebDriver.java
index f2fb19b9c6a31..6035eac1d3a3d 100644
--- a/java/src/org/openqa/selenium/remote/RemoteWebDriver.java
+++ b/java/src/org/openqa/selenium/remote/RemoteWebDriver.java
@@ -72,7 +72,6 @@
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.time.Duration;
-import java.util.Arrays;
 import java.util.Base64;
 import java.util.Collection;
 import java.util.Collections;
@@ -105,27 +104,6 @@ public class RemoteWebDriver implements WebDriver,
   PrintsPage,
   TakesScreenshot {
 
-  // TODO: Remove in 4.4 when all IE caps go inside se:ieOptions
-  private static final List<String> IE_CAPABILITY_NAMES = Arrays.asList(
-    "browserAttachTimeout",
-    "elementScrollBehavior",
-    "enablePersistentHover",
-    "ie.enableFullPageScreenshot",
-    "ie.forceCreateProcessApi",
-    "ie.forceShellWindowsApi",
-    "ie.ensureCleanSession",
-    "ie.browserCommandLineSwitches",
-    "ie.usePerProcessProxy",
-    "ignoreZoomSetting",
-    "initialBrowserUrl",
-    "ignoreProtectedModeSettings",
-    "requireWindowFocus",
-    "ie.fileUploadDialogTimeout",
-    "nativeEvents",
-    "ie.useLegacyFileUploadDialogHandling",
-    "ie.edgechromium",
-    "ie.edgepath");
-
   // TODO: This static logger should be unified with the per-instance localLogs
   private static final Logger logger = Logger.getLogger(RemoteWebDriver.class.getName());
   private final ElementLocation elementLocation = new ElementLocation();
@@ -705,7 +683,6 @@ private void checkNonW3CCapabilities(Capabilities capabilities) {
     List<String> invalid = capabilities.asMap().keySet()
       .stream()
       .filter(key -> !(new AcceptedW3CCapabilityKeys().test(key)))
-      .filter(key -> !IE_CAPABILITY_NAMES.contains(key))
       .collect(Collectors.toList());
 
     if (!invalid.isEmpty()) {