diff --git a/src/base/android/content_uri_utils_stub.cc b/src/base/android/content_uri_utils_stub.cc
index 64f23649ad..7b4b8547ef 100644
--- a/src/base/android/content_uri_utils_stub.cc
+++ b/src/base/android/content_uri_utils_stub.cc
@@ -6,14 +6,22 @@
 
 namespace base {
 
-bool ContentUriExists(const FilePath& content_uri) {
-  return false;
+std::optional<std::string> TranslateOpenFlagsToJavaMode(uint32_t) {
+  return {};
 }
 
-File OpenContentUriForRead(const FilePath& content_uri) {
+File OpenContentUri(const FilePath&, uint32_t) {
   return {};
 }
 
+int64_t GetContentUriFileSize(const FilePath&) {
+  return -1;
+}
+
+bool ContentUriExists(const FilePath&) {
+  return false;
+}
+
 std::string GetContentUriMimeType(const FilePath& content_uri) {
   return {};
 }
@@ -27,8 +35,4 @@ bool DeleteContentUri(const FilePath& content_uri) {
   return false;
 }
 
-FilePath GetContentUriFromFilePath(const FilePath& file_path) {
-  return {};
-}
-
 }  // namespace base
diff --git a/src/base/files/file_util_android.cc b/src/base/files/file_util_android.cc
index 52adc81b78..d2ba684201 100644
--- a/src/base/files/file_util_android.cc
+++ b/src/base/files/file_util_android.cc
@@ -4,22 +4,10 @@
 
 #include "base/files/file_util.h"
 
-#include "base/android/jni_string.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 
-// Must come after all headers that specialize FromJniType() / ToJniType().
-#include "base/base_jni/FileUtils_jni.h"
-
 namespace base {
-namespace android {
-
-static std::string JNI_FileUtils_GetAbsoluteFilePath(JNIEnv* env,
-                                                     std::string& file_path) {
-  return MakeAbsoluteFilePath(base::FilePath(file_path)).value();
-}
-
-}  // namespace android
 
 bool GetShmemTempDir(bool executable, base::FilePath* path) {
   return PathService::Get(base::DIR_CACHE, path);