diff --git a/content/browser/network_service_browsertest.cc b/content/browser/network_service_browsertest.cc
index dc9929db4d9b2..751308376ebb9 100644
--- a/content/browser/network_service_browsertest.cc
+++ b/content/browser/network_service_browsertest.cc
@@ -77,7 +77,6 @@
 #include "services/network/public/mojom/network_service_test.mojom.h"
 #include "services/network/test/udp_socket_test_util.h"
 #include "sql/database.h"
-#include "sql/sql_features.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -980,11 +979,6 @@ static const base::FilePath::CharType kNetworkSubpath[] =
 class MAYBE_NetworkServiceDataMigrationBrowserTest : public ContentBrowserTest {
  public:
   MAYBE_NetworkServiceDataMigrationBrowserTest() {
-    // Migration only supports non-WAL sqlite databases. If this feature is
-    // switched on by default before migration has been completed then the code
-    // in MaybeGrantSandboxAccessToNetworkContextData will need to be updated.
-    EXPECT_FALSE(
-        base::FeatureList::IsEnabled(sql::features::kEnableWALModeByDefault));
 #if BUILDFLAG(IS_WIN)
     // On Windows, the network sandbox needs to be disabled. This is because the
     // code that performs the migration on Windows DCHECKs if network sandbox is
diff --git a/sql/database.h b/sql/database.h
index a2e4cce3ff930..660f05a1c20d7 100644
--- a/sql/database.h
+++ b/sql/database.h
@@ -20,7 +20,6 @@
 #include "base/check_op.h"
 #include "base/component_export.h"
 #include "base/containers/flat_map.h"
-#include "base/feature_list.h"
 #include "base/files/file_path.h"
 #include "base/functional/callback.h"
 #include "base/gtest_prod_util.h"
@@ -36,7 +35,6 @@
 #include "base/time/time.h"
 #include "base/types/pass_key.h"
 #include "sql/internal_api_token.h"
-#include "sql/sql_features.h"
 #include "sql/sql_name_variants.h"
 #include "sql/sqlite_result_code.h"
 #include "sql/sqlite_result_code_values.h"
@@ -280,8 +278,7 @@ struct COMPONENT_EXPORT(SQL) DatabaseOptions {
 
   bool exclusive_locking_ = true;
   bool exclusive_database_file_lock_ = false;
-  bool wal_mode_ =
-      base::FeatureList::IsEnabled(sql::features::kEnableWALModeByDefault);
+  bool wal_mode_ = false;
   bool flush_to_media_ = false;
   int page_size_ = kDefaultPageSize;
   int cache_size_ = 0;
diff --git a/sql/recovery_unittest.cc b/sql/recovery_unittest.cc
index d2d21751a44c7..eb34482f38cfb 100644
--- a/sql/recovery_unittest.cc
+++ b/sql/recovery_unittest.cc
@@ -31,11 +31,9 @@
 #include "base/test/bind.h"
 #include "base/test/gtest_util.h"
 #include "base/test/metrics/histogram_tester.h"
-#include "base/test/scoped_feature_list.h"
 #include "build/buildflag.h"
 #include "sql/database.h"
 #include "sql/meta_table.h"
-#include "sql/sql_features.h"
 #include "sql/sqlite_result_code.h"
 #include "sql/sqlite_result_code_values.h"
 #include "sql/statement.h"
@@ -70,8 +68,6 @@ class SqlRecoveryTest : public testing::Test,
  public:
   SqlRecoveryTest()
       : db_(DatabaseOptions().set_wal_mode(ShouldEnableWal()), test::kTestTag) {
-    scoped_feature_list_.InitWithFeatureStates(
-        {{features::kEnableWALModeByDefault, ShouldEnableWal()}});
   }
 
   bool ShouldEnableWal() { return GetParam(); }
@@ -106,7 +102,6 @@ class SqlRecoveryTest : public testing::Test,
   }
 
  protected:
-  base::test::ScopedFeatureList scoped_feature_list_;
   base::ScopedTempDir temp_dir_;
   base::FilePath db_path_;
   Database db_;
diff --git a/sql/sql_features.cc b/sql/sql_features.cc
index c7f56d9f2c537..fc84ffeb2972a 100644
--- a/sql/sql_features.cc
+++ b/sql/sql_features.cc
@@ -8,11 +8,6 @@
 
 namespace sql::features {
 
-// Enable WAL mode for all SQLite databases.
-BASE_FEATURE(kEnableWALModeByDefault,
-             "EnableWALModeByDefault",
-             base::FEATURE_DISABLED_BY_DEFAULT);
-
 // Use a fixed memory-map size instead of using the heuristic.
 BASE_FEATURE(kSqlFixedMmapSize,
              "SqlFixedMmapSize",
diff --git a/sql/sql_features.h b/sql/sql_features.h
index fe02159285bdb..55027c8250683 100644
--- a/sql/sql_features.h
+++ b/sql/sql_features.h
@@ -14,7 +14,6 @@ namespace sql::features {
 // be documented alongside the definition of their values in the .cc file.
 
 // Alphabetical:
-COMPONENT_EXPORT(SQL) BASE_DECLARE_FEATURE(kEnableWALModeByDefault);
 COMPONENT_EXPORT(SQL) BASE_DECLARE_FEATURE(kSqlFixedMmapSize);
 COMPONENT_EXPORT(SQL) BASE_DECLARE_FEATURE(kUnlockDatabaseOnClose);