diff --git a/tcmalloc/internal/percpu.h b/tcmalloc/internal/percpu.h
index 1217b34a1..de6204510 100644
--- a/tcmalloc/internal/percpu.h
+++ b/tcmalloc/internal/percpu.h
@@ -33,27 +33,11 @@
 #define TCMALLOC_CACHED_SLABS_BIT 63
 #define TCMALLOC_CACHED_SLABS_MASK (1ul << TCMALLOC_CACHED_SLABS_BIT)
 
-// TCMALLOC_INTERNAL_PERCPU_HWASAN is derived from compiler predefined macros
-// rather than ABSL_HAVE_HWADDRESS_SANITIZER, since this header must evaluate
-// identically in every translation unit (including the RSEQ assembly sources)
-// regardless of whether absl/base/config.h has already been included.
-#if defined(__has_feature)
-#if __has_feature(hwaddress_sanitizer)
-#define TCMALLOC_INTERNAL_PERCPU_HWASAN 1
-#endif
-#endif
-#if defined(__SANITIZE_HWADDRESS__)
-#define TCMALLOC_INTERNAL_PERCPU_HWASAN 1
-#endif
-#if !defined(TCMALLOC_INTERNAL_PERCPU_HWASAN)
-#define TCMALLOC_INTERNAL_PERCPU_HWASAN 0
-#endif
-
 // TCMALLOC_PERCPU_RSEQ_SUPPORTED_PLATFORM defines whether or not we have an
 // implementation for the target OS and architecture.
 // TODO(b/478927694): re-enable for HWASan
 #if defined(__linux__) && (defined(__x86_64__) || defined(__aarch64__)) && \
-    !TCMALLOC_INTERNAL_PERCPU_HWASAN
+    !defined(ABSL_HAVE_HWADDRESS_SANITIZER)
 #define TCMALLOC_PERCPU_RSEQ_SUPPORTED_PLATFORM 1
 #else
 #define TCMALLOC_PERCPU_RSEQ_SUPPORTED_PLATFORM 0
@@ -88,15 +72,6 @@
 #include "tcmalloc/internal/linux_syscall_support.h"
 #include "tcmalloc/internal/logging.h"
 
-// The RSEQ gate above is evaluated before any absl header is included; verify
-// that it agrees with absl's detection now that absl/base/config.h is visible.
-#if defined(ABSL_HAVE_HWADDRESS_SANITIZER) && !TCMALLOC_INTERNAL_PERCPU_HWASAN
-#error "HWASan detected by absl but not by the TCMalloc per-CPU RSEQ gate"
-#endif
-#if !defined(ABSL_HAVE_HWADDRESS_SANITIZER) && TCMALLOC_INTERNAL_PERCPU_HWASAN
-#error "HWASan detected by the TCMalloc per-CPU RSEQ gate but not by absl"
-#endif
-
 // TCMALLOC_INTERNAL_PERCPU_USE_RSEQ defines whether TCMalloc support for RSEQ
 // on the target architecture exists. We currently only provide RSEQ for 64-bit
 // x86, Arm binaries.
diff --git a/tcmalloc/internal/percpu_test.cc b/tcmalloc/internal/percpu_test.cc
index 9084f7424..559d0501a 100644
--- a/tcmalloc/internal/percpu_test.cc
+++ b/tcmalloc/internal/percpu_test.cc
@@ -29,15 +29,6 @@
 namespace tcmalloc::tcmalloc_internal::subtle::percpu {
 namespace {
 
-// percpu.h is the first include of this TU, so the RSEQ gate must be
-// evaluated without relying on macros provided by later includes.
-#if defined(ABSL_HAVE_HWADDRESS_SANITIZER)
-static_assert(TCMALLOC_PERCPU_RSEQ_SUPPORTED_PLATFORM == 0,
-              "RSEQ must be disabled under HWASan");
-static_assert(TCMALLOC_INTERNAL_PERCPU_USE_RSEQ == 0,
-              "RSEQ must be disabled under HWASan");
-#endif
-
 ABSL_CONST_INIT std::atomic<int> alarms{0};
 
 void sa_alrm(int sig) {