diff --git a/src/client/mac/handler/dynamic_images.cc b/src/client/mac/handler/dynamic_images.cc
index 3dc4f3b4..cdba6df4 100644
--- a/src/client/mac/handler/dynamic_images.cc
+++ b/src/client/mac/handler/dynamic_images.cc
@@ -364,7 +364,7 @@ static uint64_t LookupSymbol(const char* symbol_name,
   return list.n_value;
 }
 
-#if TARGET_OS_IPHONE
+#if TARGET_OS_IPHONE || MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6
 static bool HasTaskDyldInfo() {
   return true;
 }
@@ -381,13 +381,9 @@ static SInt32 GetOSVersion() {
 }
 
 static bool HasTaskDyldInfo() {
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6
-  return true;
-#else
   return GetOSVersion() >= 0x1060;
-#endif
 }
-#endif  // TARGET_OS_IPHONE
+#endif  // TARGET_OS_IPHONE || MAC_OS_X_VERSION_MIN_REQUIRED >= 10_6
 
 uint64_t DynamicImages::GetDyldAllImageInfosPointer() {
   if (HasTaskDyldInfo()) {
diff --git a/src/common/dwarf/dwarf2reader.cc b/src/common/dwarf/dwarf2reader.cc
index f2f3d581..49c2ee15 100644
--- a/src/common/dwarf/dwarf2reader.cc
+++ b/src/common/dwarf/dwarf2reader.cc
@@ -517,8 +517,10 @@ void CompilationUnit::ProcessDIEs() {
 
 LineInfo::LineInfo(const char* buffer, uint64 buffer_length,
                    ByteReader* reader, LineInfoHandler* handler):
-    handler_(handler), reader_(reader), buffer_(buffer),
-    buffer_length_(buffer_length) {
+    handler_(handler), reader_(reader), buffer_(buffer) {
+#ifndef NDEBUG
+  buffer_length_ = buffer_length;
+#endif
   header_.std_opcode_lengths = NULL;
 }
 
diff --git a/src/common/dwarf/dwarf2reader.h b/src/common/dwarf/dwarf2reader.h
index 8824bf90..e4f7f495 100644
--- a/src/common/dwarf/dwarf2reader.h
+++ b/src/common/dwarf/dwarf2reader.h
@@ -140,7 +140,9 @@ class LineInfo {
   // the line info to read is.  after_header is the place right after
   // the end of the line information header.
   const char* buffer_;
+#ifndef NDEBUG
   uint64 buffer_length_;
+#endif
   const char* after_header_;
 };
 
diff --git a/src/common/linux/dump_symbols.cc b/src/common/linux/dump_symbols.cc
index 1e96ca6a..5ae44e53 100644
--- a/src/common/linux/dump_symbols.cc
+++ b/src/common/linux/dump_symbols.cc
@@ -889,7 +889,6 @@ bool ReadSymbolDataElfClass(const typename ElfClass::Ehdr* elf_header,
                             const DumpOptions& options,
                             Module** out_module) {
   typedef typename ElfClass::Ehdr Ehdr;
-  typedef typename ElfClass::Shdr Shdr;
 
   *out_module = NULL;
 
diff --git a/src/common/linux/libcurl_wrapper.h b/src/common/linux/libcurl_wrapper.h
index de84a63b..25905ad8 100644
--- a/src/common/linux/libcurl_wrapper.h
+++ b/src/common/linux/libcurl_wrapper.h
@@ -43,7 +43,7 @@ namespace google_breakpad {
 class LibcurlWrapper {
  public:
   LibcurlWrapper();
-  ~LibcurlWrapper();
+  virtual ~LibcurlWrapper();
   virtual bool Init();
   virtual bool SetProxy(const string& proxy_host,
                         const string& proxy_userpwd);
diff --git a/src/common/linux/synth_elf.cc b/src/common/linux/synth_elf.cc
index b978550f..98e81dab 100644
--- a/src/common/linux/synth_elf.cc
+++ b/src/common/linux/synth_elf.cc
@@ -213,8 +213,10 @@ void ELF::Finish() {
 SymbolTable::SymbolTable(Endianness endianness,
                          size_t addr_size,
                          StringTable& table) : Section(endianness),
-                                               addr_size_(addr_size),
                                                table_(table) {
+#ifndef NDEBUG
+  addr_size_ = addr_size;
+#endif
   assert(addr_size_ == 4 || addr_size_ == 8);
 }
 
diff --git a/src/common/linux/synth_elf.h b/src/common/linux/synth_elf.h
index 330ceae8..1d2a20ca 100644
--- a/src/common/linux/synth_elf.h
+++ b/src/common/linux/synth_elf.h
@@ -173,7 +173,9 @@ class SymbolTable : public Section {
                  uint64_t size, unsigned info, uint16_t shndx);
 
  private:
+#ifndef NDEBUG
   size_t addr_size_;
+#endif
   StringTable& table_;
 };
 
diff --git a/src/processor/minidump.cc b/src/processor/minidump.cc
index f2240026..ccc90d5a 100644
--- a/src/processor/minidump.cc
+++ b/src/processor/minidump.cc
@@ -165,19 +165,10 @@ static void Swap(uint128_struct* value) {
 }
 
 // Swapping signed integers
-static inline void Swap(int16_t* value) {
-  Swap(reinterpret_cast<uint16_t*>(value));
-}
-
 static inline void Swap(int32_t* value) {
   Swap(reinterpret_cast<uint32_t*>(value));
 }
 
-static inline void Swap(int64_t* value) {
-  Swap(reinterpret_cast<uint64_t*>(value));
-}
-
-
 static inline void Swap(MDLocationDescriptor* location_descriptor) {
   Swap(&location_descriptor->data_size);
   Swap(&location_descriptor->rva);
diff --git a/src/tools/mac/symupload/symupload.m b/src/tools/mac/symupload/symupload.m
index fe413458..179f8d50 100644
--- a/src/tools/mac/symupload/symupload.m
+++ b/src/tools/mac/symupload/symupload.m
@@ -81,15 +81,6 @@ static NSArray *ModuleDataForSymbolFile(NSString *file) {
   return parts;
 }
 
-//=============================================================================
-static NSString *CompactIdentifier(NSString *uuid) {
-  NSMutableString *str = [NSMutableString stringWithString:uuid];
-  [str replaceOccurrencesOfString:@"-" withString:@"" options:0
-                            range:NSMakeRange(0, [str length])];
-  
-  return str;
-}
-
 //=============================================================================
 static void Start(Options *options) {
   NSURL *url = [NSURL URLWithString:options->uploadURLStr];