diff --git a/liblog/logger_write.cpp b/liblog/logger_write.cpp
index 74b0ab9..b1bed80 100644
--- a/liblog/logger_write.cpp
+++ b/liblog/logger_write.cpp
@@ -28,7 +28,6 @@
 #endif
 
 #include <atomic>
-#include <shared_mutex>
 
 #include <android-base/errno_restorer.h>
 #include <android-base/macros.h>
@@ -38,7 +37,6 @@
 #include "android/log.h"
 #include "log/log_read.h"
 #include "logger.h"
-#include "rwlock.h"
 #include "uio.h"
 
 #ifdef __ANDROID__
@@ -142,10 +140,8 @@
   static std::string default_tag = getprogname();
   return default_tag;
 }
-RwLock default_tag_lock;
 
 void __android_log_set_default_tag(const char* tag) {
-  auto lock = std::unique_lock{default_tag_lock};
   GetDefaultTag().assign(tag, 0, LOGGER_ENTRY_MAX_PAYLOAD);
 }
 
@@ -163,10 +159,8 @@
 #else
 static __android_logger_function logger_function = __android_log_stderr_logger;
 #endif
-static RwLock logger_function_lock;
 
 void __android_log_set_logger(__android_logger_function logger) {
-  auto lock = std::unique_lock{logger_function_lock};
   logger_function = logger;
 }
 
@@ -180,15 +174,12 @@
 }
 
 static __android_aborter_function aborter_function = __android_log_default_aborter;
-static RwLock aborter_function_lock;
 
 void __android_log_set_aborter(__android_aborter_function aborter) {
-  auto lock = std::unique_lock{aborter_function_lock};
   aborter_function = aborter;
 }
 
 void __android_log_call_aborter(const char* abort_message) {
-  auto lock = std::shared_lock{aborter_function_lock};
   aborter_function(abort_message);
 }
 
@@ -310,9 +301,7 @@
     return;
   }
 
-  auto tag_lock = std::shared_lock{default_tag_lock, std::defer_lock};
   if (log_message->tag == nullptr) {
-    tag_lock.lock();
     log_message->tag = GetDefaultTag().c_str();
   }
 
@@ -322,7 +311,6 @@
   }
 #endif
 
-  auto lock = std::shared_lock{logger_function_lock};
   logger_function(log_message);
 }
 
diff --git a/liblog/logger_write.h b/liblog/logger_write.h
index 065fd55..eee2778 100644
--- a/liblog/logger_write.h
+++ b/liblog/logger_write.h
@@ -18,7 +18,4 @@
 
 #include <string>
 
-#include "rwlock.h"
-
-std::string& GetDefaultTag();  // Must read lock default_tag_lock
-extern RwLock default_tag_lock;
\ No newline at end of file
+std::string& GetDefaultTag();
diff --git a/liblog/properties.cpp b/liblog/properties.cpp
index abd48fc..37670ec 100644
--- a/liblog/properties.cpp
+++ b/liblog/properties.cpp
@@ -23,7 +23,6 @@
 #include <unistd.h>
 
 #include <algorithm>
-#include <shared_mutex>
 
 #include <private/android_logger.h>
 
@@ -99,9 +98,7 @@
   static const char log_namespace[] = "persist.log.tag.";
   static const size_t base_offset = 8; /* skip "persist." */
 
-  auto tag_lock = std::shared_lock{default_tag_lock, std::defer_lock};
   if (tag == nullptr || len == 0) {
-    tag_lock.lock();
     auto& tag_string = GetDefaultTag();
     tag = tag_string.c_str();
     len = tag_string.size();