diff --git a/libethash/CMakeLists.txt b/libethash/CMakeLists.txt
index a65621c3e..907eccd40 100644
--- a/libethash/CMakeLists.txt
+++ b/libethash/CMakeLists.txt
@@ -42,3 +42,7 @@ add_library(${LIBRARY} ${FILES})
 if (CRYPTOPP_FOUND)
 	TARGET_LINK_LIBRARIES(${LIBRARY} ${CRYPTOPP_LIBRARIES})
 endif()
+
+if (NOT ETHASHCL)
+	install( TARGETS ${LIBRARY} RUNTIME DESTINATION bin ARCHIVE DESTINATION lib LIBRARY DESTINATION lib )
+endif ()
\ No newline at end of file
diff --git a/mix/ClientModel.cpp b/mix/ClientModel.cpp
index b355c336f..a6eadbf4a 100644
--- a/mix/ClientModel.cpp
+++ b/mix/ClientModel.cpp
@@ -316,7 +316,6 @@ void ClientModel::executeSequence(vector<TransactionSettings> const& _sequence,
 					TransactionSettings stdTransaction = transaction;
 					stdTransaction.gasAuto = true;
 					Address address = deployContract(stdContractCode, stdTransaction);
-					deployedContracts.push_back(address);
 					m_stdContractAddresses[stdTransaction.contractId] = address;
 					m_stdContractNames[address] = stdTransaction.contractId;
 				}
diff --git a/mix/CodeModel.cpp b/mix/CodeModel.cpp
index 636a665e6..5c6ec07c0 100644
--- a/mix/CodeModel.cpp
+++ b/mix/CodeModel.cpp
@@ -219,6 +219,19 @@ void CodeModel::reset(QVariantMap const& _documents)
 	emit scheduleCompilationJob(++m_backgroundJobId);
 }
 
+void CodeModel::unregisterContractSrc(QString const& _documentId)
+{
+	{
+		Guard pl(x_pendingContracts);
+		m_pendingContracts.erase(_documentId);
+	}
+
+	// launch the background thread
+	m_compiling = true;
+	emit stateChanged();
+	emit scheduleCompilationJob(++m_backgroundJobId);
+}
+
 void CodeModel::registerCodeChange(QString const& _documentId, QString const& _code)
 {
 	{
diff --git a/mix/CodeModel.h b/mix/CodeModel.h
index 3f713a17b..a0b03951f 100644
--- a/mix/CodeModel.h
+++ b/mix/CodeModel.h
@@ -160,6 +160,8 @@ public:
 	Q_INVOKABLE CompiledContract* contractByDocumentId(QString const& _documentId) const;
 	/// Reset code model
 	Q_INVOKABLE void reset() { reset(QVariantMap()); }
+	/// Delete a contract source
+	Q_INVOKABLE void unregisterContractSrc(QString const& _documentId);
 	/// Convert solidity type info to mix type
 	static SolidityType nodeType(dev::solidity::Type const* _type);
 	/// Check if given location belongs to contract or function
diff --git a/mix/FileIo.cpp b/mix/FileIo.cpp
index 0991aa63d..22538194c 100644
--- a/mix/FileIo.cpp
+++ b/mix/FileIo.cpp
@@ -210,3 +210,9 @@ void FileIo::stopWatching(QString const& _path)
 {
 	m_watcher->removePath(pathFromUrl(_path));
 }
+
+void FileIo::deleteFile(QString const& _path)
+{
+	QFile file(pathFromUrl(_path));
+	file.remove();
+}
diff --git a/mix/FileIo.h b/mix/FileIo.h
index 33c2bd5fd..90a143120 100644
--- a/mix/FileIo.h
+++ b/mix/FileIo.h
@@ -66,6 +66,8 @@ public:
 	Q_INVOKABLE void watchFileChanged(QString const& _path);
 	/// Stop Listenning for files change in @arg _path.
 	Q_INVOKABLE void stopWatching(QString const& _path);
+	/// Delete a file
+	Q_INVOKABLE void deleteFile(QString const& _path);
 
 private:
 	QString getHomePath() const;
diff --git a/mix/qml/CodeEditorView.qml b/mix/qml/CodeEditorView.qml
index e4d62ed81..bb7e203bf 100644
--- a/mix/qml/CodeEditorView.qml
+++ b/mix/qml/CodeEditorView.qml
@@ -190,9 +190,12 @@ Item {
 			for (var i = 0; i < openDocCount; i++)
 			{
 				var doc = editorListModel.get(i);
-				var editor = editors.itemAt(i).item;
-				if (editor)
-					fileIo.writeFile(doc.path, editor.getText());
+				if (editors.itemAt(i))
+				{
+					var editor = editors.itemAt(i).item;
+					if (editor)
+						fileIo.writeFile(doc.path, editor.getText());
+				}
 			}
 		}
 
@@ -315,6 +318,16 @@ Item {
 							break;
 						}
 				}
+
+				onDocumentRemoved: {
+					for (var i = 0; i < editorListModel.count; i++)
+						if (editorListModel.get(i).documentId === documentId)
+						{
+							editorListModel.remove(i);
+							openDocCount--;
+							break;
+						}
+				}
 			}
 
 			function loadIfNotLoaded () {
diff --git a/mix/qml/FilesSection.qml b/mix/qml/FilesSection.qml
index d89875583..5e49143a7 100644
--- a/mix/qml/FilesSection.qml
+++ b/mix/qml/FilesSection.qml
@@ -3,6 +3,7 @@ import QtQuick.Window 2.0
 import QtQuick.Layouts 1.0
 import QtQuick.Controls 1.0
 import QtQuick.Controls.Styles 1.3
+import QtQuick.Dialogs 1.2
 import "."
 
 
@@ -241,8 +242,13 @@ Rectangle
 						anchors.fill: parent
 						acceptedButtons: Qt.LeftButton | Qt.RightButton
 						onClicked:{
-							if (mouse.button === Qt.RightButton && !isContract)
-								contextMenu.popup();
+							if (mouse.button === Qt.RightButton)
+							{
+								if (isContract)
+									contextMenuContract.popup();
+								else
+									contextMenu.popup();
+							}
 							else if (mouse.button === Qt.LeftButton)
 							{
 								rootItem.isSelected = true;
@@ -263,11 +269,32 @@ Rectangle
 						MenuItem {
 							text: qsTr("Delete")
 							onTriggered: {
-								projectModel.removeDocument(documentId);
-								wrapperItem.removeDocument(documentId);
+								deleteConfirmation.open();
 							}
 						}
 					}
+
+					Menu {
+						id: contextMenuContract
+						MenuItem {
+							text: qsTr("Delete")
+							onTriggered: {
+								deleteConfirmation.open();
+							}
+						}
+					}
+
+					MessageDialog
+					{
+						id: deleteConfirmation
+						text: qsTr("Are you sure to delete this file ?")
+						standardButtons: StandardIcon.Ok | StandardIcon.Cancel
+						onAccepted:
+						{
+							projectModel.removeDocument(documentId);
+							wrapperItem.removeDocument(documentId);
+						}
+					}
 				}
 			}
 		}
diff --git a/mix/qml/js/ProjectModel.js b/mix/qml/js/ProjectModel.js
index 6ec906996..6fce7686d 100644
--- a/mix/qml/js/ProjectModel.js
+++ b/mix/qml/js/ProjectModel.js
@@ -294,7 +294,10 @@ function renameDocument(documentId, newName) {
 
 function getDocument(documentId) {
 	var i = getDocumentIndex(documentId);
-	return projectListModel.get(i);
+	if (i === -1)
+		return undefined;
+	else
+		return projectListModel.get(i);
 }
 
 function getDocumentIdByName(fileName)
@@ -308,10 +311,13 @@ function getDocumentIdByName(fileName)
 function removeDocument(documentId) {
 	var i = getDocumentIndex(documentId);
 	var document = projectListModel.get(i);
-	if (!document.isContract) {
-		projectListModel.remove(i);
-		documentRemoved(documentId);
-	}
+	fileIo.stopWatching(document.path);
+	fileIo.deleteFile(document.path);
+	if (document.isContract)
+		codeModel.unregisterContractSrc(documentId);
+	projectListModel.remove(i);
+	saveProjectFile();
+	documentRemoved(documentId);
 }
 
 function newHtmlFile() {
diff --git a/mix/test/qml/TestMain.qml b/mix/test/qml/TestMain.qml
index 829364a99..727d90b25 100644
--- a/mix/test/qml/TestMain.qml
+++ b/mix/test/qml/TestMain.qml
@@ -113,5 +113,6 @@ TestCase
 	function test_project_contractRename() { TestProject.test_contractRename(); }
 	function test_project_multipleWebPages() { TestProject.test_multipleWebPages(); }
 	function test_project_multipleContractsSameFile() { TestProject.test_multipleContractsSameFile(); }
+	function test_project_deleteFile() { TestProject.test_deleteFile(); }
 }
 
diff --git a/mix/test/qml/js/TestDebugger.js b/mix/test/qml/js/TestDebugger.js
index 4933136ff..4e295c46f 100644
--- a/mix/test/qml/js/TestDebugger.js
+++ b/mix/test/qml/js/TestDebugger.js
@@ -223,13 +223,16 @@ function test_ctrTypeAsParam()
 	"}");
 	mainApplication.projectModel.stateListModel.editState(0); //C1 ctor already added
 	var transactionDialog = mainApplication.projectModel.stateDialog.transactionDialog;
+	mainApplication.projectModel.stateDialog.model.editTransaction(3);
+	ts.waitForRendering(transactionDialog, 3000);
+	clickElement(transactionDialog, 200, 300);
+	ts.typeString("<C1 - 0>", transactionDialog);
+	transactionDialog.acceptAndClose();
 	mainApplication.projectModel.stateDialog.model.addTransaction();
 	transactionDialog = mainApplication.projectModel.stateDialog.transactionDialog;
 	ts.waitForRendering(transactionDialog, 3000);
 	transactionDialog.selectContract("C2");
 	transactionDialog.selectFunction("getFromC1");
-	clickElement(transactionDialog, 406, 340);
-	clickElement(transactionDialog, 406, 366);
 	transactionDialog.acceptAndClose();
 	mainApplication.projectModel.stateDialog.acceptAndClose();
 	mainApplication.mainContent.startQuickDebugging();
diff --git a/mix/test/qml/js/TestProject.js b/mix/test/qml/js/TestProject.js
index 49b5ea51f..fe1023f05 100644
--- a/mix/test/qml/js/TestProject.js
+++ b/mix/test/qml/js/TestProject.js
@@ -44,3 +44,17 @@ function test_multipleContractsSameFile()
 	tryCompare(mainApplication.mainContent.rightPane.transactionLog.transactionModel.get(3), "contract", "C2");
 	tryCompare(mainApplication.mainContent.rightPane.transactionLog.transactionModel.get(4), "contract", "C3");
 }
+
+function test_deleteFile()
+{
+	newProject();
+	var path = mainApplication.projectModel.projectPath;
+	createHtml("page1.html", "<html><body><div id='queryres'>Fail</div></body><script>if (web3) document.getElementById('queryres').innerText='OK'</script></html>");
+	createHtml("page2.html", "<html><body><div id='queryres'>Fail</div></body><script>if (web3) document.getElementById('queryres').innerText='OK'</script></html>");
+	createHtml("page3.html", "<html><body><div id='queryres'>Fail</div></body><script>if (web3) document.getElementById('queryres').innerText='OK'</script></html>");
+	mainApplication.projectModel.removeDocument("page2.html");
+	mainApplication.projectModel.closeProject(function(){});
+	mainApplication.projectModel.loadProject(path);
+	var doc = mainApplication.projectModel.getDocument("page2.html");
+	verify(!doc, "page2.html has not been removed");
+}