diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/AssistantActionsHandlerTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/AssistantActionsHandlerTest.java
index b82b0a74b06f0e..81eb8802b8c9c1 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/AssistantActionsHandlerTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/AssistantActionsHandlerTest.java
@@ -154,7 +154,6 @@ public void tearDown() {
             assertNotNull(mHandler);
             mHandler.removeObserver(mObserver);
             VoiceRecognitionHandler.setIsRecognitionIntentPresentForTesting(null);
-            mHandler.setIsVoiceSearchEnabledCacheForTesting(null);
             mWindowAndroid.destroy();
         });
     }
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/AssistantVoiceRecognitionHandlerTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/AssistantVoiceRecognitionHandlerTest.java
index 575d51dbf02d6d..6e7697a7885c87 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/AssistantVoiceRecognitionHandlerTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/AssistantVoiceRecognitionHandlerTest.java
@@ -141,7 +141,6 @@ public void tearDown() {
             RecognitionTestHelper.setAudioCapturePref(true);
             mHandler.removeObserver(mObserver);
             VoiceRecognitionHandler.setIsRecognitionIntentPresentForTesting(null);
-            mHandler.setIsVoiceSearchEnabledCacheForTesting(null);
             mWindowAndroid.destroy();
         });
     }
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/VoiceRecognitionHandlerTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/VoiceRecognitionHandlerTest.java
index 326e3a7bec5d1d..3dad4561fbb956 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/VoiceRecognitionHandlerTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/omnibox/voice/VoiceRecognitionHandlerTest.java
@@ -144,7 +144,6 @@ public void tearDown() {
             RecognitionTestHelper.setAudioCapturePref(true);
             mHandler.removeObserver(mObserver);
             VoiceRecognitionHandler.setIsRecognitionIntentPresentForTesting(null);
-            mHandler.setIsVoiceSearchEnabledCacheForTesting(null);
             mWindowAndroid.destroy();
         });
     }
diff --git a/chrome/browser/flags/android/chrome_feature_list.cc b/chrome/browser/flags/android/chrome_feature_list.cc
index b7ca1133a555f9..fd7aa9883d28ab 100644
--- a/chrome/browser/flags/android/chrome_feature_list.cc
+++ b/chrome/browser/flags/android/chrome_feature_list.cc
@@ -232,7 +232,6 @@ const base::Feature* const kFeaturesExposedToJava[] = {
     &kInfobarScrollOptimization,
     &kInstanceSwitcher,
     &kInstantStart,
-    &kIsVoiceSearchEnabledCache,
     &kLensCameraAssistedSearch,
     &kLensOnQuickActionSearchWidget,
     &kNotificationPermissionVariant,
@@ -727,10 +726,6 @@ BASE_FEATURE(kInfobarScrollOptimization,
 
 BASE_FEATURE(kInstantStart, "InstantStart", base::FEATURE_DISABLED_BY_DEFAULT);
 
-BASE_FEATURE(kIsVoiceSearchEnabledCache,
-             "IsVoiceSearchEnabledCache",
-             base::FEATURE_ENABLED_BY_DEFAULT);
-
 BASE_FEATURE(kNotificationPermissionVariant,
              "NotificationPermissionVariant",
              base::FEATURE_DISABLED_BY_DEFAULT);
diff --git a/chrome/browser/flags/android/chrome_feature_list.h b/chrome/browser/flags/android/chrome_feature_list.h
index 122d0053aa1cf9..ed1ec9d4aa2bf5 100644
--- a/chrome/browser/flags/android/chrome_feature_list.h
+++ b/chrome/browser/flags/android/chrome_feature_list.h
@@ -97,7 +97,6 @@ BASE_DECLARE_FEATURE(kInfobarScrollOptimization);
 BASE_DECLARE_FEATURE(kImprovedA2HS);
 BASE_DECLARE_FEATURE(kInstanceSwitcher);
 BASE_DECLARE_FEATURE(kInstantStart);
-BASE_DECLARE_FEATURE(kIsVoiceSearchEnabledCache);
 BASE_DECLARE_FEATURE(kLanguagesPreference);
 BASE_DECLARE_FEATURE(kLensCameraAssistedSearch);
 BASE_DECLARE_FEATURE(kLensOnQuickActionSearchWidget);
diff --git a/chrome/browser/flags/android/java/src/org/chromium/chrome/browser/flags/ChromeFeatureList.java b/chrome/browser/flags/android/java/src/org/chromium/chrome/browser/flags/ChromeFeatureList.java
index a29cdaf3aaf2c4..7ceae7ce0b3011 100644
--- a/chrome/browser/flags/android/java/src/org/chromium/chrome/browser/flags/ChromeFeatureList.java
+++ b/chrome/browser/flags/android/java/src/org/chromium/chrome/browser/flags/ChromeFeatureList.java
@@ -350,7 +350,6 @@ public static boolean getFieldTrialParamByFeatureAsBoolean(
     public static final String INTEREST_FEED_V2 = "InterestFeedV2";
     public static final String INTEREST_FEED_V2_AUTOPLAY = "InterestFeedV2Autoplay";
     public static final String INTEREST_FEED_V2_HEARTS = "InterestFeedV2Hearts";
-    public static final String IS_VOICE_SEARCH_ENABLED_CACHE = "IsVoiceSearchEnabledCache";
     public static final String LEAK_DETECTION_UNAUTHENTICATED = "LeakDetectionUnauthenticated";
     public static final String LENS_CAMERA_ASSISTED_SEARCH = "LensCameraAssistedSearch";
     public static final String LENS_ON_QUICK_ACTION_SEARCH_WIDGET = "LensOnQuickActionSearchWidget";
diff --git a/chrome/browser/ui/android/omnibox/java/src/org/chromium/chrome/browser/omnibox/voice/VoiceRecognitionHandler.java b/chrome/browser/ui/android/omnibox/java/src/org/chromium/chrome/browser/omnibox/voice/VoiceRecognitionHandler.java
index d30b425979d00f..5bd9e0ec0816ac 100644
--- a/chrome/browser/ui/android/omnibox/java/src/org/chromium/chrome/browser/omnibox/voice/VoiceRecognitionHandler.java
+++ b/chrome/browser/ui/android/omnibox/java/src/org/chromium/chrome/browser/omnibox/voice/VoiceRecognitionHandler.java
@@ -29,7 +29,6 @@
 import org.chromium.chrome.browser.feature_engagement.TrackerFactory;
 import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.browser.flags.MutableFlagWithSafeDefault;
-import org.chromium.chrome.browser.flags.PostNativeFlag;
 import org.chromium.chrome.browser.omnibox.LocationBarDataProvider;
 import org.chromium.chrome.browser.omnibox.R;
 import org.chromium.chrome.browser.omnibox.suggestions.AutocompleteCoordinator;
@@ -144,8 +143,6 @@ public class VoiceRecognitionHandler {
     private static final MutableFlagWithSafeDefault sAssistantIntentTranslateInfoFlag =
             new MutableFlagWithSafeDefault(
                     ChromeFeatureList.ASSISTANT_INTENT_TRANSLATE_INFO, false);
-    private static final PostNativeFlag sCacheVoiceSearchEnabledFlag =
-            new PostNativeFlag(ChromeFeatureList.IS_VOICE_SEARCH_ENABLED_CACHE);
 
     private static Boolean sIsRecognitionIntentPresentForTesting;
     private final Delegate mDelegate;
@@ -904,10 +901,6 @@ public boolean isVoiceSearchEnabled() {
         if (windowAndroid.getActivity().get() == null) return false;
         if (!VoiceRecognitionUtil.isVoiceSearchPermittedByPolicy(false)) return false;
 
-        if (!sCacheVoiceSearchEnabledFlag.isEnabled()) {
-            return VoiceRecognitionUtil.isVoiceSearchEnabled(windowAndroid);
-        }
-
         if (mIsVoiceSearchEnabledCached == null) {
             mIsVoiceSearchEnabledCached = VoiceRecognitionUtil.isVoiceSearchEnabled(windowAndroid);
 
@@ -1138,11 +1131,6 @@ protected static boolean isRecognitionIntentPresent(boolean useCachedValue) {
         sIsRecognitionIntentPresentForTesting = isRecognitionIntentPresent;
     }
 
-    @VisibleForTesting
-    protected void setIsVoiceSearchEnabledCacheForTesting(Boolean value) {
-        mIsVoiceSearchEnabledCached = value;
-    }
-
     /** Sets the start time for testing. */
     void setQueryStartTimeForTesting(Long queryStartTimeMs) {
         mQueryStartTimeMs = queryStartTimeMs;
diff --git a/testing/variations/fieldtrial_testing_config.json b/testing/variations/fieldtrial_testing_config.json
index 597eb090d93f65..8341697342572f 100644
--- a/testing/variations/fieldtrial_testing_config.json
+++ b/testing/variations/fieldtrial_testing_config.json
@@ -6463,21 +6463,6 @@
             ]
         }
     ],
-    "IsVoiceSearchEnabledCache": [
-        {
-            "platforms": [
-                "android"
-            ],
-            "experiments": [
-                {
-                    "name": "Enabled",
-                    "enable_features": [
-                        "IsVoiceSearchEnabledCache"
-                    ]
-                }
-            ]
-        }
-    ],
     "JourneysAndroidPreStable": [
         {
             "platforms": [