diff --git a/src/common/dwarf/elf_reader.h b/src/common/dwarf/elf_reader.h
index 07477341..b1bb67a8 100644
--- a/src/common/dwarf/elf_reader.h
+++ b/src/common/dwarf/elf_reader.h
@@ -19,8 +19,8 @@
 #include <vector>
 
 #include "common/dwarf/types.h"
+#include "common/using_std_string.h"
 
-using std::string;
 using std::vector;
 using std::pair;
 
diff --git a/src/common/dwarf_cfi_to_module.cc b/src/common/dwarf_cfi_to_module.cc
index 1bf1d96d..bd298a2f 100644
--- a/src/common/dwarf_cfi_to_module.cc
+++ b/src/common/dwarf_cfi_to_module.cc
@@ -195,7 +195,7 @@ void DwarfCFIToModule::Record(Module::Address address, int reg,
 
   // Place the name in our global set of strings, and then use the string
   // from the set. Even though the assignment looks like a copy, all the
-  // major std::string implementations use reference counting internally,
+  // major string implementations use reference counting internally,
   // so the effect is to have all our data structures share copies of rules
   // whenever possible. Since register names are drawn from a
   // vector<string>, register names are already shared.
diff --git a/src/common/dwarf_cfi_to_module.h b/src/common/dwarf_cfi_to_module.h
index 084b8f5a..a5302e15 100644
--- a/src/common/dwarf_cfi_to_module.h
+++ b/src/common/dwarf_cfi_to_module.h
@@ -181,7 +181,7 @@ class DwarfCFIToModule: public CallFrameInfo::Handler {
 
   // The names of the return address and canonical frame address. Putting
   // these here instead of using string literals allows us to share their
-  // texts in reference-counted std::string implementations (all the
+  // texts in reference-counted string implementations (all the
   // popular ones). Many, many rules cite these strings.
   string cfa_name_, ra_name_;
 
@@ -189,7 +189,7 @@ class DwarfCFIToModule: public CallFrameInfo::Handler {
   // our data structures, insert it into this set, and then use the string
   // from the set.
   //
-  // Because std::string uses reference counting internally, simply using
+  // Because string uses reference counting internally, simply using
   // strings from this set, even if passed by value, assigned, or held
   // directly in structures and containers (map<string, ...>, for example),
   // causes those strings to share a single instance of each distinct piece
diff --git a/src/common/dwarf_cu_to_module.cc b/src/common/dwarf_cu_to_module.cc
index 8d874366..a16bee7d 100644
--- a/src/common/dwarf_cu_to_module.cc
+++ b/src/common/dwarf_cu_to_module.cc
@@ -261,7 +261,7 @@ class DwarfCUToModule::GenericDIEHandler: public dwarf2reader::DIEHandler {
   uint64 offset_;
 
   // Place the name in the global set of strings. Even though this looks
-  // like a copy, all the major std::string implementations use reference
+  // like a copy, all the major string implementations use reference
   // counting internally, so the effect is to have all the data structures
   // share copies of strings whenever possible.
   // FIXME: Should this return something like a string_ref to avoid the
diff --git a/src/common/language.cc b/src/common/language.cc
index 09eaceb6..3929c0c6 100644
--- a/src/common/language.cc
+++ b/src/common/language.cc
@@ -73,7 +73,7 @@ class CPPLanguage: public Language {
   }
 
   virtual DemangleResult DemangleName(const string& mangled,
-                                      std::string* demangled) const {
+                                      string* demangled) const {
 #if defined(__ANDROID__)
     // Android NDK doesn't provide abi::__cxa_demangle.
     demangled->clear();
@@ -127,7 +127,7 @@ class SwiftLanguage: public Language {
   }
 
   virtual DemangleResult DemangleName(const string& mangled,
-                                      std::string* demangled) const {
+                                      string* demangled) const {
     // There is no programmatic interface to a Swift demangler. Pass through the
     // mangled form because it encodes more information than the qualified name
     // that would have been built by MakeQualifiedName(). The output can be
diff --git a/src/common/language.h b/src/common/language.h
index 4ebea1ab..2d2dbcd9 100644
--- a/src/common/language.h
+++ b/src/common/language.h
@@ -87,7 +87,7 @@ class Language {
 
   // Wraps abi::__cxa_demangle() or similar for languages where appropriate.
   virtual DemangleResult DemangleName(const string& mangled,
-                                      std::string* demangled) const {
+                                      string* demangled) const {
     demangled->clear();
     return kDontDemangle;
   }
diff --git a/src/common/linux/file_id.h b/src/common/linux/file_id.h
index a1d2fd6e..8ccbadd2 100644
--- a/src/common/linux/file_id.h
+++ b/src/common/linux/file_id.h
@@ -38,6 +38,7 @@
 
 #include "common/linux/guid_creator.h"
 #include "common/memory.h"
+#include "common/using_std_string.h"
 
 namespace google_breakpad {
 
@@ -70,16 +71,16 @@ class FileID {
   // Convert the |identifier| data to a string.  The string will
   // be formatted as a UUID in all uppercase without dashes.
   // (e.g., 22F065BBFC9C49F780FE26A7CEBD7BCE).
-  static std::string ConvertIdentifierToUUIDString(
+  static string ConvertIdentifierToUUIDString(
       const wasteful_vector<uint8_t>& identifier);
 
   // Convert the entire |identifier| data to a hex string.
-  static std::string ConvertIdentifierToString(
+  static string ConvertIdentifierToString(
       const wasteful_vector<uint8_t>& identifier);
 
  private:
   // Storage for the path specified
-  std::string path_;
+  string path_;
 };
 
 }  // namespace google_breakpad
diff --git a/src/google_breakpad/processor/proc_maps_linux.h b/src/google_breakpad/processor/proc_maps_linux.h
index b8e6eb92..3045daa5 100644
--- a/src/google_breakpad/processor/proc_maps_linux.h
+++ b/src/google_breakpad/processor/proc_maps_linux.h
@@ -52,7 +52,7 @@ struct MappedMemoryRegion {
 
 // Parses /proc/<pid>/maps input data and stores in |regions|. Returns true
 // and updates |regions| if and only if all of |input| was successfully parsed.
-bool ParseProcMaps(const std::string& input,
+bool ParseProcMaps(const string& input,
                    std::vector<MappedMemoryRegion>* regions);
 
 }  // namespace google_breakpad
diff --git a/src/processor/stackwalker_unittest_utils.h b/src/processor/stackwalker_unittest_utils.h
index ee22a8fe..1523b247 100644
--- a/src/processor/stackwalker_unittest_utils.h
+++ b/src/processor/stackwalker_unittest_utils.h
@@ -197,7 +197,7 @@ class MockSymbolSupplier: public google_breakpad::SymbolSupplier {
 
   // Copies the passed string contents into a newly allocated buffer.
   // The newly allocated buffer will be freed during destruction.
-  char* CopySymbolDataAndOwnTheCopy(const std::string &info,
+  char* CopySymbolDataAndOwnTheCopy(const string &info,
                                     size_t *symbol_data_size) {
     *symbol_data_size = info.size() + 1;
     char *symbol_data = new char[*symbol_data_size];
diff --git a/src/processor/symbolic_constants_win.cc b/src/processor/symbolic_constants_win.cc
index a6ee26a2..8cf283f6 100644
--- a/src/processor/symbolic_constants_win.cc
+++ b/src/processor/symbolic_constants_win.cc
@@ -36,7 +36,6 @@
 #include <string>
 
 #include "common/stdio_wrapper.h"
-#include "common/using_std_string.h"
 #include "google_breakpad/common/breakpad_types.h"
 #include "google_breakpad/common/minidump_exception_win32.h"
 #include "processor/symbolic_constants_win.h"
diff --git a/src/processor/symbolic_constants_win.h b/src/processor/symbolic_constants_win.h
index c05c9169..3f4d38eb 100644
--- a/src/processor/symbolic_constants_win.h
+++ b/src/processor/symbolic_constants_win.h
@@ -38,12 +38,13 @@
 
 #include <string>
 
+#include "common/using_std_string.h"
 #include "google_breakpad/common/breakpad_types.h"
 
 namespace google_breakpad {
 
 /* Converts a NTSTATUS code to a reason string. */
-std::string NTStatusToString(uint32_t ntstatus);
+string NTStatusToString(uint32_t ntstatus);
 
 }  // namespace google_breakpad