diff --git a/include/boost/fiber/fiber.hpp b/include/boost/fiber/fiber.hpp
index 0e2aaba9..98fc9563 100644
--- a/include/boost/fiber/fiber.hpp
+++ b/include/boost/fiber/fiber.hpp
@@ -104,7 +104,7 @@ public:
 
     void interrupt() noexcept;
 
-    void detach() noexcept;
+    void detach();
 };
 
 inline
diff --git a/src/fiber.cpp b/src/fiber.cpp
index 7b7a74ca..216c9d26 100644
--- a/src/fiber.cpp
+++ b/src/fiber.cpp
@@ -50,7 +50,7 @@ fiber::interrupt() noexcept {
 }
 
 void
-fiber::detach() noexcept {
+fiber::detach() {
     if ( ! joinable() ) {
         throw fiber_resource_error( static_cast< int >( std::errc::invalid_argument),
                                     "boost fiber: fiber not joinable");