diff --git a/libc/Android.bp b/libc/Android.bp
index 6209374..4adb513 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1372,9 +1372,7 @@
         "bionic/sys_msg.cpp",
         "bionic/sys_sem.cpp",
         "bionic/sys_shm.cpp",
-        "bionic/sys_siglist.c",
         "bionic/sys_signalfd.cpp",
-        "bionic/sys_signame.c",
         "bionic/sys_time.cpp",
         "bionic/sysinfo.cpp",
         "bionic/syslog.cpp",
diff --git a/libc/bionic/strerror_r.cpp b/libc/bionic/strerror_r.cpp
index 29d902c..326d4b1 100644
--- a/libc/bionic/strerror_r.cpp
+++ b/libc/bionic/strerror_r.cpp
@@ -170,16 +170,6 @@
   return __code_string_lookup(_sys_error_strings, error_number);
 }
 
-static const Pair _sys_signal_strings[] = {
-#define  __BIONIC_SIGDEF(signal_number, signal_description)  { signal_number, signal_description },
-#include "private/bionic_sigdefs.h"
-  { 0, nullptr }
-};
-
-extern "C" __LIBC_HIDDEN__ const char* __strsignal_lookup(int signal_number) {
-  return __code_string_lookup(_sys_signal_strings, signal_number);
-}
-
 int strerror_r(int error_number, char* buf, size_t buf_len) {
   ErrnoRestorer errno_restorer;
   size_t length;
@@ -203,21 +193,3 @@
   strerror_r(error_number, buf, buf_len);
   return buf; // ...and just returns whatever fit.
 }
-
-extern "C" __LIBC_HIDDEN__ const char* __strsignal(int signal_number, char* buf, size_t buf_len) {
-  const char* signal_name = __strsignal_lookup(signal_number);
-  if (signal_name != nullptr) {
-    return signal_name;
-  }
-
-  const char* prefix = "Unknown";
-  if (signal_number >= SIGRTMIN && signal_number <= SIGRTMAX) {
-    prefix = "Real-time";
-    signal_number -= SIGRTMIN;
-  }
-  size_t length = snprintf(buf, buf_len, "%s signal %d", prefix, signal_number);
-  if (length >= buf_len) {
-    return nullptr;
-  }
-  return buf;
-}
diff --git a/libc/bionic/strsignal.cpp b/libc/bionic/strsignal.cpp
index 1cdfec1..5637431 100644
--- a/libc/bionic/strsignal.cpp
+++ b/libc/bionic/strsignal.cpp
@@ -26,20 +26,43 @@
  * SUCH DAMAGE.
  */
 
+#include <signal.h>
 #include <string.h>
 
 #include "bionic/pthread_internal.h"
 
-extern "C" const char* __strsignal_lookup(int);
-extern "C" const char* __strsignal(int, char*, size_t);
+const char* const sys_siglist[NSIG] = {
+#define __BIONIC_SIGDEF(signal_number, signal_description) [ signal_number ] = signal_description,
+#include "private/bionic_sigdefs.h"
+};
 
-char* strsignal(int signal_number) {
-  // Just return the original constant in the easy cases.
-  char* result = const_cast<char*>(__strsignal_lookup(signal_number));
-  if (result != nullptr) {
-    return result;
+const char* const sys_signame[NSIG] = {
+#define __BIONIC_SIGDEF(signal_number, unused) [ signal_number ] = #signal_number + 3,
+#include "private/bionic_sigdefs.h"
+};
+
+extern "C" __LIBC_HIDDEN__ const char* __strsignal(int signal_number, char* buf, size_t buf_len) {
+  const char* signal_name = nullptr;
+  if (signal_number >= 0 && signal_number < NSIG) {
+    signal_name = sys_siglist[signal_number];
+  }
+  if (signal_name != nullptr) {
+    return signal_name;
   }
 
+  const char* prefix = "Unknown";
+  if (signal_number >= SIGRTMIN && signal_number <= SIGRTMAX) {
+    prefix = "Real-time";
+    signal_number -= SIGRTMIN;
+  }
+  size_t length = snprintf(buf, buf_len, "%s signal %d", prefix, signal_number);
+  if (length >= buf_len) {
+    return nullptr;
+  }
+  return buf;
+}
+
+char* strsignal(int signal_number) {
   bionic_tls& tls = __get_bionic_tls();
   return const_cast<char*>(__strsignal(signal_number, tls.strsignal_buf, sizeof(tls.strsignal_buf)));
 }
diff --git a/libc/bionic/sys_siglist.c b/libc/bionic/sys_siglist.c
deleted file mode 100644
index 8e33d64..0000000
--- a/libc/bionic/sys_siglist.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <signal.h>
-
-const char* const sys_siglist[NSIG] = {
-#define __BIONIC_SIGDEF(signal_number, signal_description) [ signal_number ] = signal_description,
-#include "private/bionic_sigdefs.h"
-};
diff --git a/libc/bionic/sys_signame.c b/libc/bionic/sys_signame.c
deleted file mode 100644
index 5158b83..0000000
--- a/libc/bionic/sys_signame.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <signal.h>
-
-const char* const sys_signame[NSIG] = {
-#define __BIONIC_SIGDEF(signal_number, unused) [ signal_number ] = #signal_number + 3,
-#include "private/bionic_sigdefs.h"
-};