diff --git a/gloo/common/error.h b/gloo/common/error.h
index 1ac9fb5ef..f3fdab659 100644
--- a/gloo/common/error.h
+++ b/gloo/common/error.h
@@ -22,7 +22,7 @@ const std::chrono::milliseconds kNoTimeout = std::chrono::milliseconds::zero();
 
 // A base class for all gloo runtime errors
 struct Exception : public std::runtime_error {
-  Exception() = default;
+  Exception() = delete;
   explicit Exception(const std::string& msg) : std::runtime_error(msg) {}
 };
 
@@ -32,7 +32,7 @@ struct Exception : public std::runtime_error {
 
 // Thrown for invalid operations on gloo APIs
 struct InvalidOperationException : public ::gloo::Exception {
-  InvalidOperationException() = default;
+  InvalidOperationException() = delete;
   explicit InvalidOperationException(const std::string& msg)
       : ::gloo::Exception(msg) {}
 };
@@ -43,7 +43,7 @@ struct InvalidOperationException : public ::gloo::Exception {
 
 // Thrown for unrecoverable IO errors
 struct IoException : public ::gloo::Exception {
-  IoException() = default;
+  IoException() = delete;
   explicit IoException(const std::string& msg) : ::gloo::Exception(msg) {}
 };