diff --git a/libc/bionic/new.cpp b/libc/bionic/new.cpp
index fcfd1bdf5..cd84c2e30 100644
--- a/libc/bionic/new.cpp
+++ b/libc/bionic/new.cpp
@@ -38,11 +38,11 @@ void* operator new[](std::size_t size) {
     return p;
 }
 
-void  operator delete(void* ptr) {
+void  operator delete(void* ptr) throw() {
     free(ptr);
 }
 
-void  operator delete[](void* ptr) {
+void  operator delete[](void* ptr) throw() {
     free(ptr);
 }
 
@@ -54,10 +54,10 @@ void* operator new[](std::size_t size, const std::nothrow_t&) {
     return malloc(size);
 }
 
-void  operator delete(void* ptr, const std::nothrow_t&) {
+void  operator delete(void* ptr, const std::nothrow_t&) throw() {
     free(ptr);
 }
 
-void  operator delete[](void* ptr, const std::nothrow_t&) {
+void  operator delete[](void* ptr, const std::nothrow_t&) throw() {
     free(ptr);
 }
diff --git a/libstdc++/include/new b/libstdc++/include/new
index 0253e8b68..c5a43de43 100644
--- a/libstdc++/include/new
+++ b/libstdc++/include/new
@@ -13,19 +13,19 @@ namespace std {
 
 void* operator new(std::size_t);
 void* operator new[](std::size_t);
-void  operator delete(void*);
-void  operator delete[](void*);
+void  operator delete(void*) throw();
+void  operator delete[](void*) throw();
 void* operator new(std::size_t, const std::nothrow_t&);
 void* operator new[](std::size_t, const std::nothrow_t&);
-void  operator delete(void*, const std::nothrow_t&);
-void  operator delete[](void*, const std::nothrow_t&);
+void  operator delete(void*, const std::nothrow_t&) throw();
+void  operator delete[](void*, const std::nothrow_t&) throw();
 
 inline void* operator new(std::size_t, void* p) { return p; }
 inline void* operator new[](std::size_t, void* p) { return p; }
 
 // these next two are not really required, since exceptions are off
-inline void  operator delete(void*, void*) { }
-inline void  operator delete[](void*, void*) { }
+inline void  operator delete(void*, void*) throw() { }
+inline void  operator delete[](void*, void*) throw() { }
 
 }  // extern C++