diff --git a/binding-mri/binding-mri.cpp b/binding-mri/binding-mri.cpp
index 116c009..d44b168 100644
--- a/binding-mri/binding-mri.cpp
+++ b/binding-mri/binding-mri.cpp
@@ -224,14 +224,14 @@ static void runRMXPScripts()
 		return;
 	}
 
-	int scriptCount = RARRAY_LEN(scriptArray);
+	size_t scriptCount = RARRAY_LEN(scriptArray);
 
 	QByteArray decodeBuffer;
 	decodeBuffer.resize(0x1000);
 
-	QVector<Script> encScripts(scriptCount);
+	std::vector<Script> encScripts(scriptCount);
 
-	for (int i = 0; i < scriptCount; ++i)
+	for (size_t i = 0; i < scriptCount; ++i)
 	{
 		VALUE script = rb_ary_entry(scriptArray, i);
 
@@ -250,7 +250,7 @@ static void runRMXPScripts()
 		sc.unknown = FIX2UINT(scriptUnknown);
 	}
 
-	for (int i = 0; i < scriptCount; ++i)
+	for (size_t i = 0; i < scriptCount; ++i)
 	{
 		Script &sc = encScripts[i];
 
@@ -280,7 +280,8 @@ static void runRMXPScripts()
 		if (result != Z_OK)
 		{
 			static char buffer[256];
-			snprintf(buffer, sizeof(buffer), "Error decoding script %d: '%s'",
+			/* FIXME: '%zu' apparently gcc only? */
+			snprintf(buffer, sizeof(buffer), "Error decoding script %zu: '%s'",
 			         i, sc.name.constData());
 
 			showMsg(buffer);
diff --git a/binding-mruby/mrb-ext/file.cpp b/binding-mruby/mrb-ext/file.cpp
index 282240c..3b92acd 100644
--- a/binding-mruby/mrb-ext/file.cpp
+++ b/binding-mruby/mrb-ext/file.cpp
@@ -34,7 +34,7 @@
 #include <libgen.h>
 #include <sys/stat.h>
 
-#include <QVector>
+#include <vector>
 
 #include <QDebug>
 
@@ -312,7 +312,7 @@ MRB_METHOD(fileClose)
 }
 
 static void
-readLine(FILE *f, QVector<char> &buffer)
+readLine(FILE *f, std::vector<char> &buffer)
 {
 	buffer.clear();
 
@@ -326,7 +326,7 @@ readLine(FILE *f, QVector<char> &buffer)
 		if (c == '\n' || c == EOF)
 			break;
 
-		buffer.append(c);
+		buffer.push_back(c);
 	}
 }
 
@@ -340,19 +340,19 @@ MRB_METHOD(fileEachLine)
 	mrb_get_args(mrb, "&", &block);
 
 	(void) f;
-	QVector<char> buffer;
+	std::vector<char> buffer;
 
 	mrb_value str = mrb_str_buf_new(mrb, 0);
 
 	while (feof(f) == 0)
 	{
 		GUARD_ERRNO( readLine(f, buffer); )
-		if (buffer.isEmpty() && feof(f) != 0)
+		if (buffer.empty() && feof(f) != 0)
 			break;
 
-		size_t lineLen = buffer.count();
+		size_t lineLen = buffer.size();
 		mrb_str_resize(mrb, str, lineLen);
-		memcpy(RSTRING_PTR(str), buffer.constData(), lineLen);
+		memcpy(RSTRING_PTR(str), &buffer[0], lineLen);
 
 		mrb_yield(mrb, block, str);
 	}
@@ -468,15 +468,15 @@ MRB_METHOD(fileReadLines)
 	}
 
 	mrb_value ary = mrb_ary_new(mrb);
-	QVector<char> buffer;
+	std::vector<char> buffer;
 
 	while (feof(f) == 0)
 	{
 		GUARD_ERRNO( readLine(f, buffer); )
-		if (buffer.isEmpty() && feof(f) != 0)
+		if (buffer.empty() && feof(f) != 0)
 			break;
 
-		mrb_value str = mrb_str_new(mrb, buffer.constData(), buffer.size());
+		mrb_value str = mrb_str_new(mrb, &buffer[0], buffer.size());
 		mrb_ary_push(mrb, ary, str);
 	}
 
diff --git a/binding-mruby/mrb-ext/marshal.cpp b/binding-mruby/mrb-ext/marshal.cpp
index f0bc822..5c67cd7 100644
--- a/binding-mruby/mrb-ext/marshal.cpp
+++ b/binding-mruby/mrb-ext/marshal.cpp
@@ -32,6 +32,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <vector>
 
 #include "../binding-util.h"
 #include "file.h"
@@ -40,7 +41,6 @@
 
 #include <SDL_timer.h>
 
-#include <QVector>
 #include <QHash>
 #include <QByteArray>
 
@@ -110,19 +110,27 @@ struct LinkBuffer
 {
 	/* Key: val, Value: idx in vec */
 	QHash<T, int> hash;
-	QVector<T> vec;
+	std::vector<T> vec;
 
 	bool contains(T value)
 	{
 		return hash.contains(value);
 	}
 
+	bool containsIdx(int idx)
+	{
+		if (vec.empty())
+			return false;
+
+		return (idx < vec.size());
+	}
+
 	int add(T value)
 	{
-		int idx = vec.count();
+		int idx = vec.size();
 
 		hash.insert(value, idx);
-		vec.append(value);
+		vec.push_back(value);
 
 		return idx;
 	}
@@ -331,7 +339,7 @@ read_symlink(MarshalContext *ctx)
 {
 	int idx = read_fixnum(ctx);
 
-	if (idx > ctx->symbols.vec.size()-1)
+	if (!ctx->symbols.containsIdx(idx))
 		throw Exception(Exception::ArgumentError, "bad symlink");
 
 	return ctx->symbols.lookup(idx);
@@ -342,7 +350,7 @@ read_link(MarshalContext *ctx)
 {
 	int idx = read_fixnum(ctx);
 
-	if (idx > ctx->objects.vec.size()-1)
+	if (!ctx->objects.containsIdx(idx))
 		throw Exception(Exception::ArgumentError, "dump format error (unlinked)");
 
 	return ctx->objects.lookup(idx);
diff --git a/binding-mruby/mrb-ext/rwmem.cpp b/binding-mruby/mrb-ext/rwmem.cpp
index 8496cb4..7245ffd 100644
--- a/binding-mruby/mrb-ext/rwmem.cpp
+++ b/binding-mruby/mrb-ext/rwmem.cpp
@@ -22,9 +22,10 @@
 #include "rwmem.h"
 
 #include <SDL_rwops.h>
-#include <QVector>
 
-typedef QVector<char> ByteVec;
+#include <vector>
+
+typedef std::vector<char> ByteVec;
 
 static inline ByteVec *
 getRWPrivate(SDL_RWops *ops)
@@ -62,7 +63,7 @@ static size_t SDL_RWopsWrite(SDL_RWops *ops, const void *buffer, size_t size, si
 	if (writeBytes == 1)
 	{
 		char byte = *static_cast<const char*>(buffer);
-		v->append(byte);
+		v->push_back(byte);
 		return 1;
 	}
 
@@ -100,7 +101,7 @@ int RWMemGetData(SDL_RWops *ops, void *buffer)
 	ByteVec *v = getRWPrivate(ops);
 
 	if (buffer)
-		memcpy(buffer, v->constData(), v->size());
+		memcpy(buffer, &(*v)[0], v->size());
 
 	return v->size();
 }
diff --git a/src/bitmap.cpp b/src/bitmap.cpp
index ade8e44..d31bdfd 100644
--- a/src/bitmap.cpp
+++ b/src/bitmap.cpp
@@ -584,7 +584,7 @@ void Bitmap::radialBlur(int angle, int divisions)
 	ColorQuadArray qArray;
 	qArray.resize(5);
 
-	QVector<Vertex> &vert = qArray.vertices;
+	std::vector<Vertex> &vert = qArray.vertices;
 
 	int i = 0;
 
diff --git a/src/config.cpp b/src/config.cpp
index d36287f..4319246 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -67,7 +67,7 @@ void Config::read()
 
 	QStringList _rtps = confFile.value("RTPs").toStringList();
 	Q_FOREACH(const QString &s, _rtps)
-		rtps << s.toUtf8();
+		rtps.push_back(s.toUtf8());
 
 	confFile.beginGroup("Binding");
 
diff --git a/src/config.h b/src/config.h
index 4e2e3c5..f67d27c 100644
--- a/src/config.h
+++ b/src/config.h
@@ -23,10 +23,11 @@
 #define CONFIG_H
 
 #include <QByteArray>
-#include <QVector>
 #include <QHash>
 #include <QVariant>
 
+#include <vector>
+
 struct Config
 {
 	bool debugMode;
@@ -49,7 +50,7 @@ struct Config
 	bool allowSymlinks;
 
 	QByteArray customScript;
-	QVector<QByteArray> rtps;
+	std::vector<QByteArray> rtps;
 
 	/* Any values in the [Binding]
 	 * group are collected here */
diff --git a/src/eventthread.h b/src/eventthread.h
index e76a73f..446dabb 100644
--- a/src/eventthread.h
+++ b/src/eventthread.h
@@ -31,7 +31,6 @@
 #include <SDL_mutex.h>
 
 #include <QByteArray>
-#include <QVector>
 
 #include <stdint.h>
 
diff --git a/src/filesystem.cpp b/src/filesystem.cpp
index 2a12e2b..4375bde 100644
--- a/src/filesystem.cpp
+++ b/src/filesystem.cpp
@@ -35,6 +35,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <algorithm>
+#include <vector>
 
 #include <QDebug>
 
@@ -66,8 +67,6 @@ struct RGSS_entryHandle
 	}
 };
 
-typedef QList<QByteArray> QByteList;
-
 struct RGSS_archiveData
 {
 	PHYSFS_Io *archiveIo;
@@ -503,7 +502,7 @@ struct FileSystemPrivate
 	/* All keys are lower case */
 	QHash<QByteArray, QByteArray> pathCache;
 
-	QList<QByteArray> extensions[FileSystem::Undefined];
+	std::vector<QByteArray> extensions[FileSystem::Undefined];
 
 	/* Attempt to locate an extension string in a filename.
 	 * Either a pointer into the input string pointing at the
@@ -552,8 +551,8 @@ struct FileSystemPrivate
 
 		if (type != FileSystem::Undefined)
 		{
-			QList<QByteArray> &extList = extensions[type];
-			for (int i = 0; i < extList.count(); ++i)
+			std::vector<QByteArray> &extList = extensions[type];
+			for (size_t i = 0; i < extList.size(); ++i)
 			{
 				const char *ext = extList[i].constData();
 
@@ -600,7 +599,8 @@ FileSystem::FileSystem(const char *argv0,
 	p = new FileSystemPrivate;
 
 	/* Image extensions */
-	p->extensions[Image] << "jpg" << "png";
+	p->extensions[Image].push_back("jpg");
+	p->extensions[Image].push_back("png");
 
 	/* Audio extensions */
 	const Sound_DecoderInfo **di;
@@ -620,12 +620,13 @@ FileSystem::FileSystem(const char *argv0,
 					break;
 			}
 
-			p->extensions[Audio] << buf;
+			p->extensions[Audio].push_back(buf);
 		}
 	}
 
 	/* Font extensions */
-	p->extensions[Font] << "ttf" << "otf";
+	p->extensions[Font].push_back("ttf");
+	p->extensions[Font].push_back("otf");
 
 	PHYSFS_init(argv0);
 	PHYSFS_registerArchiver(&RGSS_Archiver);
diff --git a/src/global-ibo.h b/src/global-ibo.h
index 8a7dca0..2e2d5f2 100644
--- a/src/global-ibo.h
+++ b/src/global-ibo.h
@@ -23,12 +23,13 @@
 #define GLOBALIBO_H
 
 #include "gl-util.h"
-#include <QVector>
+
+#include <vector>
 
 struct GlobalIBO
 {
 	IBO::ID ibo;
-	QVector<uint32_t> buffer;
+	std::vector<uint32_t> buffer;
 
 	GlobalIBO()
 	{
@@ -40,25 +41,24 @@ struct GlobalIBO
 		IBO::del(ibo);
 	}
 
-	void ensureSize(int quadCount)
+	void ensureSize(size_t quadCount)
 	{
 		if (buffer.size() >= quadCount*6)
 			return;
 
-		int startInd = buffer.size() / 6;
+		size_t startInd = buffer.size() / 6;
 		buffer.reserve(quadCount*6);
 
-		for (int i = startInd; i < quadCount; ++i)
+		for (size_t i = startInd; i < quadCount; ++i)
 		{
-			static const int indTemp[] = { 0, 1, 2, 2, 3, 0 };
+			static const uint32_t indTemp[] = { 0, 1, 2, 2, 3, 0 };
 
-			for (int j = 0; j < 6; ++j)
-				buffer.append(i * 4 + indTemp[j]);
+			for (size_t j = 0; j < 6; ++j)
+				buffer.push_back(i * 4 + indTemp[j]);
 		}
 
 		IBO::bind(ibo);
-		IBO::uploadData(buffer.count() * sizeof(int),
-		                buffer.constData());
+		IBO::uploadData(buffer.size() * sizeof(uint32_t), &buffer[0]);
 		IBO::unbind();
 	}
 };
diff --git a/src/input.cpp b/src/input.cpp
index 69bcb14..7dd76d6 100644
--- a/src/input.cpp
+++ b/src/input.cpp
@@ -28,11 +28,9 @@
 #include <SDL_scancode.h>
 #include <SDL_mouse.h>
 
-#include <QVector>
+#include <vector>
 #include <string.h>
 
-#include <QDebug>
-
 const int Input::buttonCodeSize = 24;
 
 struct ButtonState
@@ -279,13 +277,13 @@ static const Input::ButtonCode otherDirs[4][3] =
 
 struct InputPrivate
 {
-	QVector<KbBinding> kbBindings;
-	QVector<JsAxisBinding> jsABindings;
-	QVector<JsButtonBinding> jsBBindings;
-	QVector<MsBinding> msBindings;
+	std::vector<KbBinding> kbBindings;
+	std::vector<JsAxisBinding> jsABindings;
+	std::vector<JsButtonBinding> jsBBindings;
+	std::vector<MsBinding> msBindings;
 
 	/* Collective binding array */
-	QVector<Binding*> bindings;
+	std::vector<Binding*> bindings;
 
 	ButtonState stateArray[Input::buttonCodeSize*2];
 
@@ -369,16 +367,17 @@ struct InputPrivate
 	{
 		kbBindings.resize(staticKbBindingsN+defaultKbBindingsN);
 
-		int n = 0;
-		for (int i = 0; i < staticKbBindingsN; ++i)
+		size_t n = 0;
+
+		for (size_t i = 0; i < staticKbBindingsN; ++i)
 			kbBindings[n++] = KbBinding(staticKbBindings[i]);
 
-		for (int i = 0; i < defaultKbBindingsN; ++i)
+		for (size_t i = 0; i < defaultKbBindingsN; ++i)
 			kbBindings[n++] = KbBinding(defaultKbBindings[i]);
 
 		/* Add to binging array */
-		for (int i = 0; i < kbBindings.count(); ++i)
-			bindings.append(&kbBindings[i]);
+		for (size_t i = 0; i < kbBindings.size(); ++i)
+			bindings.push_back(&kbBindings[i]);
 	}
 
 	void initJsBindings()
@@ -386,7 +385,7 @@ struct InputPrivate
 		/* Create axis bindings */
 		jsABindings.resize(4);
 
-		int i = 0;
+		size_t i = 0;
 		jsABindings[i++] = JsAxisBinding(&EventThread::joyState.xAxis,  0x7FFF, Input::Right);
 		jsABindings[i++] = JsAxisBinding(&EventThread::joyState.xAxis, -0x8000, Input::Left);
 		jsABindings[i++] = JsAxisBinding(&EventThread::joyState.yAxis,  0x7FFF, Input::Down);
@@ -395,34 +394,34 @@ struct InputPrivate
 		/* Create button bindings */
 		jsBBindings.resize(defaultJsBindingsN);
 
-		for (int i = 0; i < defaultJsBindingsN; ++i)
+		for (size_t i = 0; i < defaultJsBindingsN; ++i)
 			jsBBindings[i] = JsButtonBinding(defaultJsBindings[i]);
 
 		/* Add to binging array */
-		for (int i = 0; i < jsABindings.count(); ++i)
-			bindings.append(&jsABindings[i]);
+		for (size_t i = 0; i < jsABindings.size(); ++i)
+			bindings.push_back(&jsABindings[i]);
 
-		for (int i = 0; i < jsBBindings.count(); ++i)
-			bindings.append(&jsBBindings[i]);
+		for (size_t i = 0; i < jsBBindings.size(); ++i)
+			bindings.push_back(&jsBBindings[i]);
 	}
 
 	void initMsBindings()
 	{
 		msBindings.resize(3);
 
-		int i = 0;
+		size_t i = 0;
 		msBindings[i++] = MsBinding(SDL_BUTTON_LEFT,   Input::MouseLeft);
 		msBindings[i++] = MsBinding(SDL_BUTTON_MIDDLE, Input::MouseMiddle);
 		msBindings[i++] = MsBinding(SDL_BUTTON_RIGHT,  Input::MouseRight);
 
 		/* Add to binding array */
-		for (int i = 0; i < msBindings.count(); ++i)
-			bindings.append(&msBindings[i]);
+		for (size_t i = 0; i < msBindings.size(); ++i)
+			bindings.push_back(&msBindings[i]);
 	}
 
 	void pollBindings(Input::ButtonCode &repeatCand)
 	{
-		for (int i = 0; i < bindings.count(); ++i)
+		for (size_t i = 0; i < bindings.size(); ++i)
 			pollBindingPriv(*bindings[i], repeatCand);
 
 		updateDir4();
@@ -466,7 +465,7 @@ struct InputPrivate
 	{
 		int dirFlag = 0;
 
-		for (int i = 0; i < 4; ++i)
+		for (size_t i = 0; i < 4; ++i)
 			dirFlag |= (getState(dirs[i]).pressed ? dirFlags[i] : 0);
 
 		if (dirFlag == deadDirFlags[0] || dirFlag == deadDirFlags[1])
@@ -480,7 +479,7 @@ struct InputPrivate
 			/* Check if prev still pressed */
 			if (getState(dir4Data.previous).pressed)
 			{
-				for (int i = 0; i < 3; ++i)
+				for (size_t i = 0; i < 3; ++i)
 				{
 					Input::ButtonCode other =
 							otherDirs[(dir4Data.previous/2)-1][i];
@@ -494,7 +493,7 @@ struct InputPrivate
 			}
 		}
 
-		for (int i = 0; i < 4; ++i)
+		for (size_t i = 0; i < 4; ++i)
 		{
 			if (!getState(dirs[i]).pressed)
 				continue;
@@ -520,7 +519,7 @@ struct InputPrivate
 
 		dir8Data.active = 0;
 
-		for (int i = 0; i < 4; ++i)
+		for (size_t i = 0; i < 4; ++i)
 		{
 			Input::ButtonCode one = dirs[i];
 
diff --git a/src/quadarray.h b/src/quadarray.h
index bde73f2..8ce0071 100644
--- a/src/quadarray.h
+++ b/src/quadarray.h
@@ -27,6 +27,8 @@
 #include "global-ibo.h"
 #include "shader.h"
 
+#include <vector>
+
 #include <stdint.h>
 
 typedef uint32_t index_t;
@@ -34,7 +36,7 @@ typedef uint32_t index_t;
 
 struct ColorQuadArray
 {
-	QVector<Vertex> vertices;
+	std::vector<Vertex> vertices;
 
 	VBO::ID vbo;
 	VAO::ID vao;
@@ -81,7 +83,7 @@ struct ColorQuadArray
 	void commit()
 	{
 		VBO::bind(vbo);
-		VBO::uploadData(vertices.size() * sizeof(Vertex), vertices.constData(), GL_DYNAMIC_DRAW);
+		VBO::uploadData(vertices.size() * sizeof(Vertex), &vertices[0], GL_DYNAMIC_DRAW);
 		VBO::unbind();
 
 		shState->ensureQuadIBO(quadCount);
@@ -110,7 +112,7 @@ struct ColorQuadArray
 
 struct PointArray
 {
-	QVector<Vertex> vertices;
+	std::vector<Vertex> vertices;
 	VBO::ID vbo;
 	VAO::ID vao;
 
@@ -143,13 +145,13 @@ struct PointArray
 		Vertex vert;
 		vert.pos = pos;
 		vert.color = color;
-		vertices.append(vert);
+		vertices.push_back(vert);
 	}
 
 	void commit()
 	{
 		VBO::bind(vbo);
-		VBO::uploadData(vertices.size() * sizeof(Vertex), vertices.constData());
+		VBO::uploadData(vertices.size() * sizeof(Vertex), &vertices[0]);
 		VBO::unbind();
 	}
 
@@ -167,7 +169,7 @@ struct PointArray
 
 	int count()
 	{
-		return vertices.count();
+		return vertices.size();
 	}
 };
 
diff --git a/src/sharedstate.cpp b/src/sharedstate.cpp
index b727cc1..9ac21b7 100644
--- a/src/sharedstate.cpp
+++ b/src/sharedstate.cpp
@@ -106,7 +106,7 @@ struct SharedStatePrivate
 		if (QFile::exists(archPath.constData()))
 			fileSystem.addPath(archPath.constData());
 
-		for (int i = 0; i < config.rtps.count(); ++i)
+		for (size_t i = 0; i < config.rtps.size(); ++i)
 			fileSystem.addPath(config.rtps[i].constData());
 
 		fileSystem.createPathCache();
diff --git a/src/tileatlas.cpp b/src/tileatlas.cpp
index 4949429..4f781ef 100644
--- a/src/tileatlas.cpp
+++ b/src/tileatlas.cpp
@@ -21,6 +21,8 @@
 
 #include "tileatlas.h"
 
+#include <list>
+
 namespace TileAtlas
 {
 
@@ -35,7 +37,8 @@ struct Column
 	{}
 };
 
-typedef QList<Column> ColumnList;
+// FIXME: this can be optimized to a vector
+typedef std::list<Column> ColumnList;
 
 /* Autotile area width */
 static const int atAreaW = 96*4;
@@ -80,8 +83,8 @@ static ColumnList calcSrcCols(int tilesetH)
 {
 	ColumnList cols;
 
-	cols << Column(0, 0, tilesetH);
-	cols << Column(tsLaneW, 0, tilesetH);
+	cols.push_back(Column(0, 0, tilesetH));
+	cols.push_back(Column(tsLaneW, 0, tilesetH));
 
 	return cols;
 }
@@ -94,7 +97,7 @@ static ColumnList calcDstCols(int atlasW, int atlasH)
 	const int underAt = atlasH - atAreaH;
 
 	for (int i = 0; i < 3; ++i)
-		cols << Column(i*tsLaneW, atAreaH, underAt);
+		cols.push_back(Column(i*tsLaneW, atAreaH, underAt));
 
 	if (atlasW <= atAreaW)
 		return cols;
@@ -102,7 +105,7 @@ static ColumnList calcDstCols(int atlasW, int atlasH)
 	const int remCols = (atlasW - atAreaW) / tsLaneW;
 
 	for (int i = 0; i < remCols; ++i)
-		cols << Column(i*tsLaneW + atAreaW, 0, atlasH);
+		cols.push_back(Column(i*tsLaneW + atAreaW, 0, atlasH));
 
 	return cols;
 }
@@ -113,18 +116,19 @@ static BlitList calcBlitsInt(ColumnList &srcCols, ColumnList &dstCols)
 
 	while (!srcCols.empty())
 	{
-		Column srcCol = srcCols.takeFirst();
-		Q_ASSERT(srcCol.h > 0);
+		Column srcCol = srcCols.front();
+		srcCols.pop_front();
 
 		while (!dstCols.empty() && srcCol.h > 0)
 		{
-			Column dstCol = dstCols.takeFirst();
+			Column dstCol = dstCols.front();
+			dstCols.pop_front();
 
 			if (srcCol.h > dstCol.h)
 			{
 				/* srcCol doesn't fully fit into dstCol */
-				blits << Blit(srcCol.x, srcCol.y,
-				              dstCol.x, dstCol.y, dstCol.h);
+				blits.push_back(Blit(srcCol.x, srcCol.y,
+				                     dstCol.x, dstCol.y, dstCol.h));
 
 				srcCol.y += dstCol.h;
 				srcCol.h -= dstCol.h;
@@ -132,19 +136,19 @@ static BlitList calcBlitsInt(ColumnList &srcCols, ColumnList &dstCols)
 			else if (srcCol.h < dstCol.h)
 			{
 				/* srcCol fits into dstCol with space remaining */
-				blits << Blit(srcCol.x, srcCol.y,
-				              dstCol.x, dstCol.y, srcCol.h);
+				blits.push_back(Blit(srcCol.x, srcCol.y,
+				                     dstCol.x, dstCol.y, srcCol.h));
 
 				dstCol.y += srcCol.h;
 				dstCol.h -= srcCol.h;
-				dstCols.prepend(dstCol);
+				dstCols.push_front(dstCol);
 				srcCol.h = 0;
 			}
 			else
 			{
 				/* srcCol fits perfectly into dstCol */
-				blits << Blit(srcCol.x, srcCol.y,
-				              dstCol.x, dstCol.y, dstCol.h);
+				blits.push_back(Blit(srcCol.x, srcCol.y,
+				                     dstCol.x, dstCol.y, dstCol.h));
 			}
 		}
 	}
diff --git a/src/tileatlas.h b/src/tileatlas.h
index 898bacd..458b9b5 100644
--- a/src/tileatlas.h
+++ b/src/tileatlas.h
@@ -24,7 +24,7 @@
 
 #include "etc-internal.h"
 
-#include <QList>
+#include <vector>
 
 namespace TileAtlas
 {
@@ -46,7 +46,7 @@ struct Blit
 	{}
 };
 
-typedef QList<Blit> BlitList;
+typedef std::vector<Blit> BlitList;
 
 /* Calculates the minimum atlas size required to hold
  * a tileset of height 'tilesetH'. If the required dimensions
diff --git a/src/tilemap.cpp b/src/tilemap.cpp
index a5ecefe..72d29c0 100644
--- a/src/tilemap.cpp
+++ b/src/tilemap.cpp
@@ -39,16 +39,22 @@
 #include <string.h>
 #include <stdint.h>
 #include <algorithm>
-
-#include <QVector>
+#include <vector>
 
 #include <SDL_surface.h>
 
 extern const StaticRect autotileRects[];
 
-typedef QVector<SVertex> SVVector;
+typedef std::vector<SVertex> SVVector;
 typedef struct { SVVector v[4]; } TileVBuffer;
 
+/* Check if [C]ontainer contains [V]alue */
+template<typename C, typename V>
+inline bool contains(const C &c, const V &v)
+{
+	return std::find(c.begin(), c.end(), v) != c.end();
+}
+
 static const int tilesetW  = 8 * 32;
 static const int autotileW = 3 * 32;
 static const int autotileH = 4 * 32;
@@ -220,7 +226,7 @@ struct GroundLayer : public ViewportElement
 
 struct ScanRow : public ViewportElement
 {
-	const int index;
+	const size_t index;
 	GLintptr vboOffset;
 	GLsizei vboCount;
 	TilemapPrivate *p;
@@ -233,7 +239,7 @@ struct ScanRow : public ViewportElement
 	 * holds the element count of the entire batch */
 	GLsizei vboBatchCount;
 
-	ScanRow(TilemapPrivate *p, Viewport *viewport, int index);
+	ScanRow(TilemapPrivate *p, Viewport *viewport, size_t index);
 
 	void draw();
 	void drawInt();
@@ -270,10 +276,10 @@ struct TilemapPrivate
 
 		/* Indices of usable
 		 * (not null, not disposed) autotiles */
-		QVector<uint8_t> usableATs;
+		std::vector<uint8_t> usableATs;
 
 		/* Indices of animated autotiles */
-		QVector<uint8_t> animatedATs;
+		std::vector<uint8_t> animatedATs;
 	} atlas;
 
 	/* Map size in tiles */
@@ -284,12 +290,12 @@ struct TilemapPrivate
 	TileVBuffer groundVert;
 
 	/* Scanrow vertices */
-	QVector<TileVBuffer> scanrowVert;
+	std::vector<TileVBuffer> scanrowVert;
 
 	/* Base quad indices of each scanrow
 	 * in the shared buffer */
-	QVector<int> scanrowBases;
-	int scanrowCount;
+	std::vector<int> scanrowBases;
+	size_t scanrowCount;
 
 	/* Shared buffers for all tiles */
 	struct
@@ -311,7 +317,7 @@ struct TilemapPrivate
 	{
 		VAO::ID vao;
 		VBO::ID vbo;
-		int quadCount;
+		size_t quadCount;
 		uint8_t alphaIdx;
 	} flash;
 
@@ -319,7 +325,7 @@ struct TilemapPrivate
 	struct
 	{
 		GroundLayer *ground;
-		QVector<ScanRow*> scanrows;
+		std::vector<ScanRow*> scanrows;
 		Scene::Geometry sceneGeo;
 		Vec2i sceneOffset;
 
@@ -449,7 +455,7 @@ struct TilemapPrivate
 		VBO::del(flash.vbo);
 
 		tilesetCon.disconnect();
-		for (int i = 0; i < autotileCount; ++i)
+		for (size_t i = 0; i < autotileCount; ++i)
 		{
 			autotilesCon[i].disconnect();
 			autotilesDispCon[i].disconnect();
@@ -487,12 +493,12 @@ struct TilemapPrivate
 	void updateAutotileInfo()
 	{
 		/* Check if and which autotiles are animated */
-		QVector<uint8_t> &usableATs = atlas.usableATs;
-		QVector<uint8_t> &animatedATs = atlas.animatedATs;
+		std::vector<uint8_t> &usableATs = atlas.usableATs;
+		std::vector<uint8_t> &animatedATs = atlas.animatedATs;
 
 		usableATs.clear();
 
-		for (int i = 0; i < autotileCount; ++i)
+		for (size_t i = 0; i < autotileCount; ++i)
 		{
 			if (!autotiles[i])
 				continue;
@@ -503,12 +509,12 @@ struct TilemapPrivate
 			if (autotiles[i]->megaSurface())
 				continue;
 
-			usableATs.append(i);
+			usableATs.push_back(i);
 
 			autotiles[i]->flush();
 
 			if (autotiles[i]->width() > autotileW)
-				animatedATs.append(i);
+				animatedATs.push_back(i);
 		}
 
 		tiles.animated = !animatedATs.empty();
@@ -655,7 +661,7 @@ struct TilemapPrivate
 
 			SDL_Surface *tsSurf = tileset->megaSurface();
 
-			for (int i = 0; i < blits.count(); ++i)
+			for (size_t i = 0; i < blits.size(); ++i)
 			{
 				TileAtlas::Blit &blitOp = blits[i];
 
@@ -671,7 +677,7 @@ struct TilemapPrivate
 			/* Regular tileset */
 			FBO::bind(tileset->getGLTypes().fbo, FBO::Read);
 
-			for (int i = 0; i < blits.count(); ++i)
+			for (size_t i = 0; i < blits.size(); ++i)
 			{
 				TileAtlas::Blit &blitOp = blits[i];
 
@@ -729,19 +735,19 @@ struct TilemapPrivate
 			/* Adjust to atlas coordinates */
 			texRect.y += atInd * autotileH;
 
-			for (int k = 0; k < bufferCount(); ++k)
+			for (size_t k = 0; k < bufferCount(); ++k)
 			{
 				FloatRect _texRect = texRect;
 
-				if (atlas.animatedATs.contains(atInd))
+				if (contains(atlas.animatedATs, atInd))
 					_texRect.x += autotileW*k;
 
 				SVertex v[4];
 				Quad::setTexPosRect(v, _texRect, posRect);
 
 				/* Iterate over 4 vertices */
-				for (int i = 0; i < 4; ++i)
-					array->v[k].append(v[i]);
+				for (size_t i = 0; i < 4; ++i)
+					array->v[k].push_back(v[i]);
 			}
 		}
 	}
@@ -791,15 +797,16 @@ struct TilemapPrivate
 		SVertex v[4];
 		Quad::setTexPosRect(v, texRect, posRect);
 
-		for (int k = 0; k < bufferCount(); ++k)
-			for (int i = 0; i < 4; ++i)
-				targetArray->v[k].append(v[i]);
+		for (size_t k = 0; k < bufferCount(); ++k)
+			for (size_t i = 0; i < 4; ++i)
+				targetArray->v[k].push_back(v[i]);
 	}
 
 	void clearQuadArrays()
 	{
-		for (int i = 0; i < 4; ++i)
+		for (size_t i = 0; i < 4; ++i)
 			groundVert.v[i].clear();
+
 		scanrowVert.clear();
 		scanrowBases.clear();
 	}
@@ -818,34 +825,34 @@ struct TilemapPrivate
 					handleTile(x, y, z);
 	}
 
-	static int quadDataSize(int quadCount)
+	static size_t quadDataSize(size_t quadCount)
 	{
 		return quadCount * sizeof(SVertex) * 4;
 	}
 
-	int scanrowSize(int index)
+	size_t scanrowSize(size_t index)
 	{
 		return scanrowBases[index+1] - scanrowBases[index];
 	}
 
 	void uploadBuffers()
 	{
-		scanrowCount = scanrowVert.count();
+		scanrowCount = scanrowVert.size();
 		scanrowBases.resize(scanrowCount + 1);
 
 		/* Calculate total quad count */
-		int groundQuadCount = groundVert.v[0].count() / 4;
-		int quadCount = groundQuadCount;
+		size_t groundQuadCount = groundVert.v[0].size() / 4;
+		size_t quadCount = groundQuadCount;
 
-		for (int i = 0; i < scanrowCount; ++i)
+		for (size_t i = 0; i < scanrowCount; ++i)
 		{
 			scanrowBases[i] = quadCount;
-			quadCount += scanrowVert[i].v[0].count() / 4;
+			quadCount += scanrowVert[i].v[0].size() / 4;
 		}
 
 		scanrowBases[scanrowCount] = quadCount;
 
-		int bufferFrameQuadCount = quadCount;
+		size_t bufferFrameQuadCount = quadCount;
 		tiles.bufferFrameSize = quadCount * 6 * sizeof(uint32_t);
 
 		quadCount *= bufferCount();
@@ -853,19 +860,18 @@ struct TilemapPrivate
 		VBO::bind(tiles.vbo);
 		VBO::allocEmpty(quadDataSize(quadCount));
 
-		for (int k = 0; k < bufferCount(); ++k)
+		for (size_t k = 0; k < bufferCount(); ++k)
 		{
 			VBO::uploadSubData(k*quadDataSize(bufferFrameQuadCount),
-			                   quadDataSize(groundQuadCount), groundVert.v[k].constData());
+			                   quadDataSize(groundQuadCount), &groundVert.v[k][0]);
 
-			for (int i = 0; i < scanrowCount; ++i)
+			for (size_t i = 0; i < scanrowCount; ++i)
 			{
 				if (scanrowVert[i].v[0].empty())
 					continue;
 
 				VBO::uploadSubData(k*quadDataSize(bufferFrameQuadCount) + quadDataSize(scanrowBases[i]),
-								   quadDataSize(scanrowSize(i)),
-								   scanrowVert[i].v[k].constData());
+								   quadDataSize(scanrowSize(i)), &scanrowVert[i].v[k][0]);
 			}
 		}
 
@@ -928,7 +934,7 @@ struct TilemapPrivate
 
 	void updateFlash()
 	{
-		QVector<CVertex> vertices;
+		std::vector<CVertex> vertices;
 
 		for (int x = 0; x < mapWidth; ++x)
 			for (int y = 0; y < mapHeight; ++y)
@@ -943,17 +949,17 @@ struct TilemapPrivate
 				Quad::setPosRect(v, posRect);
 				Quad::setColor(v, color);
 
-				for (int i = 0; i < 4; ++i)
-					vertices.append(v[i]);
+				for (size_t i = 0; i < 4; ++i)
+					vertices.push_back(v[i]);
 			}
 
-		flash.quadCount = vertices.count() / 4;
+		flash.quadCount = vertices.size() / 4;
 
 		if (flash.quadCount == 0)
 			return;
 
 		VBO::bind(flash.vbo);
-		VBO::uploadData(sizeof(CVertex) * vertices.count(), vertices.constData());
+		VBO::uploadData(sizeof(CVertex) * vertices.size(), &vertices[0]);
 		VBO::unbind();
 
 		/* Ensure global IBO size */
@@ -965,20 +971,20 @@ struct TilemapPrivate
 		delete elem.ground;
 		elem.ground = 0;
 
-		for (int i = 0; i < elem.scanrows.count(); ++i)
+		for (size_t i = 0; i < elem.scanrows.size(); ++i)
 			delete elem.scanrows[i];
 
 		elem.scanrows.clear();
 	}
 
-	void generateElements(QVector<int> &scanrowInd)
+	void generateElements(std::vector<int> &scanrowInd)
 	{
 		elem.ground = new GroundLayer(this, viewport);
 
-		for (int i = 0; i < scanrowInd.count(); ++i)
+		for (size_t i = 0; i < scanrowInd.size(); ++i)
 		{
 			int index = scanrowInd[i];
-			elem.scanrows.append(new ScanRow(this, viewport, index));
+			elem.scanrows.push_back(new ScanRow(this, viewport, index));
 		}
 	}
 
@@ -987,26 +993,27 @@ struct TilemapPrivate
 		destroyElements();
 
 		/* Only generate elements for non-emtpy scanrows */
-		QVector<int> scanrowInd;
-		for (int i = 0; i < scanrowCount; ++i)
-			if (scanrowVert[i].v[0].count() > 0)
-				scanrowInd.append(i);
+		std::vector<int> scanrowInd;
+
+		for (size_t i = 0; i < scanrowCount; ++i)
+			if (scanrowVert[i].v[0].size() > 0)
+				scanrowInd.push_back(i);
 
 		generateElements(scanrowInd);
 	}
 
 	void updateZOrder()
 	{
-		if (elem.scanrows.isEmpty())
+		if (elem.scanrows.empty())
 			return;
 
-		for (int i = 0; i < elem.scanrows.count(); ++i)
+		for (size_t i = 0; i < elem.scanrows.size(); ++i)
 			elem.scanrows[i]->initUpdateZ();
 
-		ScanRow *prev = elem.scanrows.first();
+		ScanRow *prev = elem.scanrows.front();
 		prev->finiUpdateZ(0);
 
-		for (int i = 1; i < elem.scanrows.count(); ++i)
+		for (size_t i = 1; i < elem.scanrows.size(); ++i)
 		{
 			ScanRow *row = elem.scanrows[i];
 			row->finiUpdateZ(prev);
@@ -1025,9 +1032,9 @@ struct TilemapPrivate
 	 * single sized batches are possible. */
 	void prepareScanrowBatches()
 	{
-		const QVector<ScanRow*> &scanrows = elem.scanrows;
+		const std::vector<ScanRow*> &scanrows = elem.scanrows;
 
-		for (int i = 0; i < scanrows.size(); ++i)
+		for (size_t i = 0; i < scanrows.size(); ++i)
 		{
 			ScanRow *batchHead = scanrows[i];
 			batchHead->batchedFlag = false;
@@ -1124,7 +1131,7 @@ void GroundLayer::draw()
 
 	p->setTranslation(Normal, shader);
 
-	for (int i = 0; i < positionsN; ++i)
+	for (size_t i = 0; i < positionsN; ++i)
 	{
 		const Position pos = positions[i];
 
@@ -1147,7 +1154,7 @@ void GroundLayer::draw()
 		shader.applyViewportProj();
 		shader.setAlpha(flashAlpha[p->flash.alphaIdx] / 255.f);
 
-		for (int i = 0; i < positionsN; ++i)
+		for (size_t i = 0; i < positionsN; ++i)
 		{
 			const Position pos = positions[i];
 
@@ -1184,7 +1191,7 @@ void GroundLayer::onGeometryChange(const Scene::Geometry &geo)
 	p->updateReplicas();
 }
 
-ScanRow::ScanRow(TilemapPrivate *p, Viewport *viewport, int index)
+ScanRow::ScanRow(TilemapPrivate *p, Viewport *viewport, size_t index)
     : ViewportElement(viewport, 32 + index*32, p->elem.scanrowStamp),
       index(index),
       p(p),
@@ -1209,7 +1216,7 @@ void ScanRow::draw()
 
 	p->setTranslation(Normal, shader);
 
-	for (int i = 0; i < positionsN; ++i)
+	for (size_t i = 0; i < positionsN; ++i)
 	{
 		const Position pos = positions[i];
 
@@ -1338,7 +1345,7 @@ void Tilemap::setViewport(Viewport *value)
 
 	p->elem.ground->setViewport(value);
 
-	for (int i = 0; i < p->elem.scanrows.count(); ++i)
+	for (size_t i = 0; i < p->elem.scanrows.size(); ++i)
 		p->elem.scanrows[i]->setViewport(value);
 }
 
@@ -1422,7 +1429,7 @@ void Tilemap::setVisible(bool value)
 		return;
 
 	p->elem.ground->setVisible(value);
-	for (int i = 0; i < p->elem.scanrows.count(); ++i)
+	for (size_t i = 0; i < p->elem.scanrows.size(); ++i)
 		p->elem.scanrows[i]->setVisible(value);
 }