1diff --git a/third_party/abseil-cpp/absl/base/dynamic_annotations.h b/third_party/abseil-cpp/absl/base/dynamic_annotations.h
2index 1444dc48e283..6687291cade3 100644
3--- a/third_party/abseil-cpp/absl/base/dynamic_annotations.h
4+++ b/third_party/abseil-cpp/absl/base/dynamic_annotations.h
5@@ -49,9 +49,6 @@
6
7 #include "absl/base/config.h"
8
9-// TODO(rogeeff): Remove after the backward compatibility period.
10-#include "absl/base/internal/dynamic_annotations.h"  // IWYU pragma: export
11-
12 // -------------------------------------------------------------------------
13 // Decide which features are enabled
14
15diff --git a/third_party/abseil-cpp/absl/base/thread_annotations.h b/third_party/abseil-cpp/absl/base/thread_annotations.h
16index 5f51c0c2d2d5..10b9bde551a7 100644
17--- a/third_party/abseil-cpp/absl/base/thread_annotations.h
18+++ b/third_party/abseil-cpp/absl/base/thread_annotations.h
19@@ -35,8 +35,6 @@
20 #define ABSL_BASE_THREAD_ANNOTATIONS_H_
21
22 #include "absl/base/config.h"
23-// TODO(mbonadei): Remove after the backward compatibility period.
24-#include "absl/base/internal/thread_annotations.h"  // IWYU pragma: export
25
26 #if defined(__clang__)
27 #define ABSL_INTERNAL_THREAD_ANNOTATION_ATTRIBUTE(x) __attribute__((x))
28diff --git a/third_party/abseil-cpp/absl/base/BUILD.bazel b/third_party/abseil-cpp/absl/base/BUILD.bazel
29index 65ff0ddef9fd..d6fbf3581158 100644
30--- a/third_party/abseil-cpp/absl/base/BUILD.bazel
31+++ b/third_party/abseil-cpp/absl/base/BUILD.bazel
32@@ -115,9 +115,6 @@ cc_library(
33
34 cc_library(
35     name = "dynamic_annotations",
36-    srcs = [
37-        "internal/dynamic_annotations.h",
38-    ],
39     hdrs = [
40         "dynamic_annotations.h",
41     ],
42@@ -131,9 +128,6 @@ cc_library(
43
44 cc_library(
45     name = "core_headers",
46-    srcs = [
47-        "internal/thread_annotations.h",
48-    ],
49     hdrs = [
50         "attributes.h",
51         "const_init.h",
52diff --git a/third_party/abseil-cpp/CMake/AbseilDll.cmake b/third_party/abseil-cpp/CMake/AbseilDll.cmake
53index 00cddb84c6b7f..a2b8b103885a6 100644
54--- a/third_party/abseil-cpp/CMake/AbseilDll.cmake
55+++ b/third_party/abseil-cpp/CMake/AbseilDll.cmake
56@@ -14,7 +14,6 @@ set(ABSL_INTERNAL_DLL_FILES
57   "base/internal/cycleclock.cc"
58   "base/internal/cycleclock.h"
59   "base/internal/direct_mmap.h"
60-  "base/internal/dynamic_annotations.h"
61   "base/internal/endian.h"
62   "base/internal/errno_saver.h"
63   "base/internal/fast_type_id.h"
64@@ -41,7 +40,6 @@ set(ABSL_INTERNAL_DLL_FILES
65   "base/internal/spinlock_wait.h"
66   "base/internal/sysinfo.cc"
67   "base/internal/sysinfo.h"
68-  "base/internal/thread_annotations.h"
69   "base/internal/thread_identity.cc"
70   "base/internal/thread_identity.h"
71   "base/internal/throw_delegate.cc"
72diff --git a/third_party/abseil-cpp/absl/base/CMakeLists.txt b/third_party/abseil-cpp/absl/base/CMakeLists.txt
73index ed55093abe80f..6908182e97c86 100644
74--- a/third_party/abseil-cpp/absl/base/CMakeLists.txt
75+++ b/third_party/abseil-cpp/absl/base/CMakeLists.txt
76@@ -109,8 +109,6 @@ absl_cc_library(
77     dynamic_annotations
78   HDRS
79     "dynamic_annotations.h"
80-  SRCS
81-    "internal/dynamic_annotations.h"
82   COPTS
83     ${ABSL_DEFAULT_COPTS}
84   DEPS
85@@ -128,7 +126,6 @@ absl_cc_library(
86     "optimization.h"
87     "port.h"
88     "thread_annotations.h"
89-    "internal/thread_annotations.h"
90   COPTS
91     ${ABSL_DEFAULT_COPTS}
92   DEPS
93