diff --git a/third_party/abseil-cpp/absl/base/dynamic_annotations.h b/third_party/abseil-cpp/absl/base/dynamic_annotations.h
index 1444dc48e283..6687291cade3 100644
--- a/third_party/abseil-cpp/absl/base/dynamic_annotations.h
+++ b/third_party/abseil-cpp/absl/base/dynamic_annotations.h
@@ -49,9 +49,6 @@
 
 #include "absl/base/config.h"
 
-// TODO(rogeeff): Remove after the backward compatibility period.
-#include "absl/base/internal/dynamic_annotations.h"  // IWYU pragma: export
-
 // -------------------------------------------------------------------------
 // Decide which features are enabled
 
diff --git a/third_party/abseil-cpp/absl/base/thread_annotations.h b/third_party/abseil-cpp/absl/base/thread_annotations.h
index 5f51c0c2d2d5..10b9bde551a7 100644
--- a/third_party/abseil-cpp/absl/base/thread_annotations.h
+++ b/third_party/abseil-cpp/absl/base/thread_annotations.h
@@ -35,8 +35,6 @@
 #define ABSL_BASE_THREAD_ANNOTATIONS_H_
 
 #include "absl/base/config.h"
-// TODO(mbonadei): Remove after the backward compatibility period.
-#include "absl/base/internal/thread_annotations.h"  // IWYU pragma: export
 
 #if defined(__clang__)
 #define ABSL_INTERNAL_THREAD_ANNOTATION_ATTRIBUTE(x) __attribute__((x))
diff --git a/third_party/abseil-cpp/absl/base/BUILD.bazel b/third_party/abseil-cpp/absl/base/BUILD.bazel
index 65ff0ddef9fd..d6fbf3581158 100644
--- a/third_party/abseil-cpp/absl/base/BUILD.bazel
+++ b/third_party/abseil-cpp/absl/base/BUILD.bazel
@@ -115,9 +115,6 @@ cc_library(

 cc_library(
     name = "dynamic_annotations",
-    srcs = [
-        "internal/dynamic_annotations.h",
-    ],
     hdrs = [
         "dynamic_annotations.h",
     ],
@@ -131,9 +128,6 @@ cc_library(

 cc_library(
     name = "core_headers",
-    srcs = [
-        "internal/thread_annotations.h",
-    ],
     hdrs = [
         "attributes.h",
         "const_init.h",
diff --git a/third_party/abseil-cpp/CMake/AbseilDll.cmake b/third_party/abseil-cpp/CMake/AbseilDll.cmake
index 00cddb84c6b7f..a2b8b103885a6 100644
--- a/third_party/abseil-cpp/CMake/AbseilDll.cmake
+++ b/third_party/abseil-cpp/CMake/AbseilDll.cmake
@@ -14,7 +14,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "base/internal/cycleclock.cc"
   "base/internal/cycleclock.h"
   "base/internal/direct_mmap.h"
-  "base/internal/dynamic_annotations.h"
   "base/internal/endian.h"
   "base/internal/errno_saver.h"
   "base/internal/fast_type_id.h"
@@ -41,7 +40,6 @@ set(ABSL_INTERNAL_DLL_FILES
   "base/internal/spinlock_wait.h"
   "base/internal/sysinfo.cc"
   "base/internal/sysinfo.h"
-  "base/internal/thread_annotations.h"
   "base/internal/thread_identity.cc"
   "base/internal/thread_identity.h"
   "base/internal/throw_delegate.cc"
diff --git a/third_party/abseil-cpp/absl/base/CMakeLists.txt b/third_party/abseil-cpp/absl/base/CMakeLists.txt
index ed55093abe80f..6908182e97c86 100644
--- a/third_party/abseil-cpp/absl/base/CMakeLists.txt
+++ b/third_party/abseil-cpp/absl/base/CMakeLists.txt
@@ -109,8 +109,6 @@ absl_cc_library(
     dynamic_annotations
   HDRS
     "dynamic_annotations.h"
-  SRCS
-    "internal/dynamic_annotations.h"
   COPTS
     ${ABSL_DEFAULT_COPTS}
   DEPS
@@ -128,7 +126,6 @@ absl_cc_library(
     "optimization.h"
     "port.h"
     "thread_annotations.h"
-    "internal/thread_annotations.h"
   COPTS
     ${ABSL_DEFAULT_COPTS}
   DEPS