diff --git a/src/streams.h b/src/streams.h
index 4fbbdc573c9..89068bff0dd 100644
--- a/src/streams.h
+++ b/src/streams.h
@@ -560,7 +560,6 @@ public:
     template <typename T>
     AutoFile& operator<<(const T& obj)
     {
-        if (!file) throw std::ios_base::failure("AutoFile::operator<<: file handle is nullptr");
         ::Serialize(*this, obj);
         return *this;
     }
@@ -568,7 +567,6 @@ public:
     template <typename T>
     AutoFile& operator>>(T&& obj)
     {
-        if (!file) throw std::ios_base::failure("AutoFile::operator>>: file handle is nullptr");
         ::Unserialize(*this, obj);
         return *this;
     }
@@ -588,9 +586,6 @@ public:
     template<typename T>
     CAutoFile& operator<<(const T& obj)
     {
-        // Serialize to this stream
-        if (!file)
-            throw std::ios_base::failure("CAutoFile::operator<<: file handle is nullptr");
         ::Serialize(*this, obj);
         return (*this);
     }
@@ -598,9 +593,6 @@ public:
     template<typename T>
     CAutoFile& operator>>(T&& obj)
     {
-        // Unserialize from this stream
-        if (!file)
-            throw std::ios_base::failure("CAutoFile::operator>>: file handle is nullptr");
         ::Unserialize(*this, obj);
         return (*this);
     }