diff --git a/test/mac/mach_multiprocess.cc b/test/mac/mach_multiprocess.cc
index 641eeba0..8c122c4a 100644
--- a/test/mac/mach_multiprocess.cc
+++ b/test/mac/mach_multiprocess.cc
@@ -207,7 +207,7 @@ void MachMultiprocess::MultiprocessParent() {
 }
 
 void MachMultiprocess::MultiprocessChild() {
-  ScopedForbidReturn forbid_return;;
+  ScopedForbidReturn forbid_return;
 
   // local_port is not valid in the forked child process.
   ignore_result(info_->local_port.release());
diff --git a/util/mach/task_memory_test.cc b/util/mach/task_memory_test.cc
index 2247ed2f..963bc4da 100644
--- a/util/mach/task_memory_test.cc
+++ b/util/mach/task_memory_test.cc
@@ -445,7 +445,7 @@ bool IsAddressMapped(vm_address_t address) {
     return false;
   }
 
-  ADD_FAILURE() << MachErrorMessage(kr, "vm_region_64");;
+  ADD_FAILURE() << MachErrorMessage(kr, "vm_region_64");
   return false;
 }