diff --git a/include/rapidjson/allocators.h b/include/rapidjson/allocators.h
index 82518fc..efc4a30 100644
--- a/include/rapidjson/allocators.h
+++ b/include/rapidjson/allocators.h
@@ -187,6 +187,11 @@ public:
 	static void Free(void *ptr) { (void)ptr; } // Do nothing
 
 private:
+	//! Copy constructor is not permitted.
+	MemoryPoolAllocator(const MemoryPoolAllocator& rhs) /* = delete */;
+	//! Copy assignment operator is not permitted.
+	MemoryPoolAllocator& operator=(const MemoryPoolAllocator& rhs) /* = delete */;
+
 	//! Creates a new chunk.
 	/*! \param capacity Capacity of the chunk in bytes.
 	*/
diff --git a/include/rapidjson/document.h b/include/rapidjson/document.h
index d226d96..b6170ac 100644
--- a/include/rapidjson/document.h
+++ b/include/rapidjson/document.h
@@ -642,17 +642,17 @@ private:
 	};	// 12 bytes in 32-bit mode, 16 bytes in 64-bit mode
 
 	// Initialize this value as array with initial data, without calling destructor.
-	void SetArrayRaw(GenericValue* values, SizeType count, Allocator& alloctaor) {
+	void SetArrayRaw(GenericValue* values, SizeType count, Allocator& allocator) {
 		flags_ = kArrayFlag;
-		data_.a.elements = (GenericValue*)alloctaor.Malloc(count * sizeof(GenericValue));
+		data_.a.elements = (GenericValue*)allocator.Malloc(count * sizeof(GenericValue));
 		memcpy(data_.a.elements, values, count * sizeof(GenericValue));
 		data_.a.size = data_.a.capacity = count;
 	}
 
 	//! Initialize this value as object with initial data, without calling destructor.
-	void SetObjectRaw(Member* members, SizeType count, Allocator& alloctaor) {
+	void SetObjectRaw(Member* members, SizeType count, Allocator& allocator) {
 		flags_ = kObjectFlag;
-		data_.o.members = (Member*)alloctaor.Malloc(count * sizeof(Member));
+		data_.o.members = (Member*)allocator.Malloc(count * sizeof(Member));
 		memcpy(data_.o.members, members, count * sizeof(Member));
 		data_.o.size = data_.o.capacity = count;
 	}
diff --git a/include/rapidjson/filestream.h b/include/rapidjson/filestream.h
index ce65351..985265d 100644
--- a/include/rapidjson/filestream.h
+++ b/include/rapidjson/filestream.h
@@ -16,7 +16,7 @@ class FileStream {
 public:
 	typedef char Ch;	//!< Character type. Only support char.
 
-	FileStream(FILE* fp) : fp_(fp), count_(0) { Read(); }
+	FileStream(FILE* fp) : fp_(fp), current_('\0'), count_(0) { Read(); }
 	char Peek() const { return current_; }
 	char Take() { char c = current_; Read(); return c; }
 	size_t Tell() const { return count_; }