diff --git a/src/allocarray.h b/src/allocarray.h
deleted file mode 100644
index 8dc51db..0000000
--- a/src/allocarray.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * AllocArray.h
- * Defines a class for storing a collection of objects all derived from
- * the same base class
- *
- * Copyright 2006 by Dale McCoy.
- * dalestan@gmail.com
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation, Inc.
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef _ALLOC_ARRAY_H
-#define _ALLOC_ARRAY_H
-
-#ifdef _MSC_VER
-#pragma warning(disable:4702)//Unreachable code
-//Yes. I have a C++ library in which <vector> contains unreachable code.
-#include<vector>
-#pragma warning(default:4702)
-#else
-#include <vector>
-#endif
-
-template<typename _Ty>class AllocArray:private std::vector<_Ty*>{
-	typedef AllocArray<_Ty> _Myt;
-	typedef std::vector<_Ty*> _Mybase;
-	typedef typename _Mybase::size_type size_type;
-	typedef typename _Mybase::iterator iterator;
-	typedef typename _Mybase::reference reference;
-	typedef typename _Mybase::const_reference const_reference;
-public:
-	AllocArray(){}
-	~AllocArray(){
-		for(size_type i=_Mybase::size();i;)
-			delete operator[](--i);
-	}
-	template<typename _Cty>void push_back(const _Cty&val){
-		_Mybase::push_back(new _Cty(val));
-	}
-	template<typename _Cty>void push_back(const _Cty*val){
-		_Mybase::push_back(new _Cty(*val));
-	}
-	size_type size()const{
-		return _Mybase::size();
-	}
-	reference last(){
-		return operator[](size()-1);
-	}
-	reference operator[](size_type x){
-		return _Mybase::operator [](x);
-	}
-	const_reference operator[](size_type x)const{
-		return _Mybase::operator [](x);
-	}
-	void clear(){
-		for(size_type i=_Mybase::size();i;)
-			delete operator[](--i);
-		_Mybase::clear();
-	}
-private:
-	AllocArray(const _Myt&right);
-	void operator=(const _Myt&right);
-};
-
-#endif /* _ALLOC_ARRAY_H */
diff --git a/src/info.cpp b/src/info.cpp
index 166c4d4..a4c3deb 100644
--- a/src/info.cpp
+++ b/src/info.cpp
@@ -24,7 +24,7 @@ int makeint(U8 low, S8 high)
 	return combined;
 }
 
-void read_file(std::istream&in,int infover,int grfcontversion,AllocArray<Sprite>&sprites);
+void read_file(std::istream&in,int infover,int grfcontversion,std::vector<std::unique_ptr<Sprite>>&sprites);
 
 nfe_map nfo_escapes;
 
diff --git a/src/info.h b/src/info.h
index bf9cd4d..be424ad 100644
--- a/src/info.h
+++ b/src/info.h
@@ -4,12 +4,12 @@
 
 #include <stdio.h>
 #include <string>
+#include <memory>
 
 #include "pcxsprit.h"
 #include "pngsprit.h"
 #include "sprites.h"
 #include "nfosprite.h"
-#include "allocarray.h"
 
 class inforeader {
 	public:
@@ -32,7 +32,7 @@ class inforeader {
 
 	std::string imgname;
 	int *colourmap;
-	AllocArray<Sprite> nfofile;
+	std::vector<std::unique_ptr<Sprite>> nfofile;
 private:
 	pcxread* MakeReader()const;
 };
diff --git a/src/readinfo.cpp b/src/readinfo.cpp
index 63ee8fd..8f3d526 100644
--- a/src/readinfo.cpp
+++ b/src/readinfo.cpp
@@ -40,6 +40,7 @@ Version 7: Add backslash escapes
 #include<sstream>
 #include<iomanip>
 #include<cstdio>
+#include<memory>
 
 
 // grfcodec requires boost::date_time for its processing of the \wYMD and
@@ -48,7 +49,6 @@ Version 7: Add backslash escapes
 using namespace boost::gregorian;
 
 #include"nfosprite.h"
-#include"allocarray.h"
 #include"inlines.h"
 
 extern int _quiet;
@@ -65,14 +65,14 @@ const char *depths[DEPTHS] = { "8bpp", "32bpp", "mask" };
 	if(true){\
 		if(buffer!=""){\
 			checkspriteno();\
-			sprites.push_back(Pseudo(sprites.size(),infover,grfcontversion,buffer,claimed_size));\
+			sprites.push_back(std::make_unique<Pseudo>(sprites.size(),infover,grfcontversion,buffer,claimed_size));\
 			buffer="";\
 		}\
 		spriteno=temp;\
 	}else\
 		(void(0))
 
-void read_file(std::istream&in,int infover,int grfcontversion,AllocArray<Sprite>&sprites){
+void read_file(std::istream&in,int infover,int grfcontversion,std::vector<std::unique_ptr<Sprite>>&sprites){
 	std::string sprite,datapart,buffer;
 
 	int temp=-1,spriteno=-1,claimed_size=1;
@@ -95,7 +95,7 @@ void read_file(std::istream&in,int infover,int grfcontversion,AllocArray<Sprite>
 					getline(eat_white(spritestream.ignore()),datapart);
 					strip_trailing_white(datapart);
 					checkspriteno();
-					sprites.push_back(Include(datapart));
+					sprites.push_back(std::make_unique<Include>(datapart));
 				}else{
 					flush_buffer();
 					eat_white(spritestream>>claimed_size);
@@ -115,13 +115,15 @@ void read_file(std::istream&in,int infover,int grfcontversion,AllocArray<Sprite>
 					flush_buffer();
 					checkspriteno();
 					if (peeked!='|') {
-						sprites.push_back(Real());
+						sprites.push_back(std::make_unique<Real>());
 					} else {
 						do {
 							datapart.erase(0, 1);
 						} while (isspace(datapart[0]));
 					}
-					((Real*)sprites.last())->AddSprite(sprites.size()-1,infover,datapart);
+					Real *r = dynamic_cast<Real *>(sprites.back().get());
+					if (r == nullptr) throw Sprite::unparseable("internal error, expected Real sprite", sprites.size() - 1);
+					r->AddSprite(sprites.size()-1,infover,datapart);
 				}
 			}
 		}