diff --git a/lib/db_x509super.cpp b/lib/db_x509super.cpp
index 7bf9271a..6c87d3dc 100644
--- a/lib/db_x509super.cpp
+++ b/lib/db_x509super.cpp
@@ -26,7 +26,7 @@ dbheaderList db_x509name::getHeaders()
 		new num_dbheader(HD_subject_hash, false, tr("Subject hash"),
 			tr("Hash to lookup certs in directories"));
 
-	foreach(int nid, *MainWindow::dn_nid)
+	foreach(int nid, distname_nid)
 		h << new nid_dbheader(nid, dbheader::hd_x509name);
 	return h;
 }
diff --git a/lib/oid.cpp b/lib/oid.cpp
index a0c6f8b2..a8487f8c 100644
--- a/lib/oid.cpp
+++ b/lib/oid.cpp
@@ -20,6 +20,9 @@
 
 int first_additional_oid = 0;
 
+NIDlist extkeyuse_nid;
+NIDlist distname_nid;
+
 QMap<QString,const char*> oid_name_clash;
 QMap<QString,int> oid_lower_map;
 
@@ -129,32 +132,11 @@ static void readOIDs(QString fname)
 	}
 }
 
-void initOIDs()
-{
-	QString oids = QString(QDir::separator()) + "oids.txt";
-	QString dir = getPrefix();
-
-	first_additional_oid = OBJ_new_nid(0);
-	openssl_error();
-	for (int i=0; i<first_additional_oid;i++)
-		addToLowerMap(i);
-	ign_openssl_error();
-	readOIDs(dir + oids);
-#if !defined(Q_OS_WIN32)
-#if !defined(Q_OS_MAC)
-	readOIDs(QString(ETC) + oids);
-#endif
-#endif
-	readOIDs(getUserSettingsDir() + oids);
-	openssl_error();
-}
-
 /* reads a list of OIDs/SNs from a file and turns them into a QValueList
  * of integers, representing the NIDs. Usually to be used by NewX509 for
  * the list of ExtendedKeyUsage and Distinguished Name
  */
-
-NIDlist readNIDlist(QString fname)
+static NIDlist readNIDlist(const QString &fname)
 {
 	int line = 0, nid;
 	NIDlist nl;
@@ -182,3 +164,50 @@ NIDlist readNIDlist(QString fname)
 	openssl_error();
 	return nl;
 }
+
+/* creates a new nid list from the given filename */
+static NIDlist read_nidlist(const QString &name)
+{
+	NIDlist nl;
+	QString sep = QDir::separator();
+
+	/* first try $HOME/xca/ */
+	nl = readNIDlist(getUserSettingsDir() + sep + name);
+#if !defined(Q_OS_WIN32)
+#if !defined(Q_OS_MAC)
+	if (nl.count() == 0){
+		/* next is /etx/xca/... */
+		nl = readNIDlist(QString(ETC) + sep + name);
+	}
+#endif
+#endif
+	if (nl.count() == 0) {
+		/* look at /usr/(local/)share/xca/ */
+		nl = readNIDlist(getPrefix() + sep + name);
+	}
+	return nl;
+}
+
+void initOIDs()
+{
+	QString oids = QString(QDir::separator()) + "oids.txt";
+	QString dir = getPrefix();
+
+	first_additional_oid = OBJ_new_nid(0);
+	openssl_error();
+	for (int i=0; i<first_additional_oid;i++)
+		addToLowerMap(i);
+	ign_openssl_error();
+	readOIDs(dir + oids);
+#if !defined(Q_OS_WIN32)
+#if !defined(Q_OS_MAC)
+	readOIDs(QString(ETC) + oids);
+#endif
+#endif
+	readOIDs(getUserSettingsDir() + oids);
+
+	extkeyuse_nid = read_nidlist("eku.txt");
+	distname_nid = read_nidlist("dn.txt");
+
+	openssl_error();
+}
diff --git a/lib/oid.h b/lib/oid.h
index ffbf6700..5160cea9 100644
--- a/lib/oid.h
+++ b/lib/oid.h
@@ -12,19 +12,17 @@ class QString;
 #include <QList>
 #include <QMap>
 
+typedef QList<int> NIDlist;
+
+extern NIDlist extkeyuse_nid;
+extern NIDlist distname_nid;
+
 extern int first_additional_oid;
 extern QMap<QString,const char*> oid_name_clash;
 extern QMap<QString,int> oid_lower_map;
 
-typedef QList<int> NIDlist;
 /* reads additional OIDs from a file: oid, sn, ln */
 
 void initOIDs();
 
-/* reads a list of OIDs/SNs from a file and turns them into a QValueList
- * of integers, representing the NIDs. Usually to be used by NewX509 for
- * the list of ExtendedKeyUsage and Distinguished Name
- */
-
-NIDlist readNIDlist(QString fname);
 #endif
diff --git a/lib/pki_temp.cpp b/lib/pki_temp.cpp
index 2ea0b056..108a9180 100644
--- a/lib/pki_temp.cpp
+++ b/lib/pki_temp.cpp
@@ -8,6 +8,7 @@
 #include "pki_temp.h"
 #include "func.h"
 #include "db.h"
+#include "oid.h"
 #include "exception.h"
 #include "widgets/MainWindow.h"
 #include <QDir>
@@ -272,11 +273,10 @@ void pki_temp::fromData(const unsigned char *p, db_header_t *head )
 static QString old_eKeyUse2QString(int old)
 {
 	QStringList sl;
-	NIDlist eku_nid = *MainWindow::eku_nid;
 
-        for (int i=0; i<eku_nid.count(); i++) {
+        for (int i = 0; i < extkeyuse_nid.count(); i++) {
 		if (old & (1<<i)) {
-			sl << OBJ_nid2sn(eku_nid[i]);
+			sl << OBJ_nid2sn(extkeyuse_nid[i]);
 		}
 	}
 	return sl.join(", ");
diff --git a/widgets/MainWindow.cpp b/widgets/MainWindow.cpp
index bdb0551f..5314a22d 100644
--- a/widgets/MainWindow.cpp
+++ b/widgets/MainWindow.cpp
@@ -44,16 +44,12 @@
 #include "PwDialog.h"
 #include "OpenDb.h"
 
-
 db_key *MainWindow::keys = NULL;
 db_x509req *MainWindow::reqs = NULL;
 db_x509	*MainWindow::certs = NULL;
 db_temp	*MainWindow::temps = NULL;
 db_crl	*MainWindow::crls = NULL;
 
-NIDlist *MainWindow::eku_nid = NULL;
-NIDlist *MainWindow::dn_nid = NULL;
-
 OidResolver *MainWindow::resolver = NULL;
 
 void MainWindow::enableTokenMenu(bool enable)
@@ -132,11 +128,6 @@ MainWindow::MainWindow(QWidget *parent)
 	EVP_add_digest_alias(SN_sha256,SN_dsa_with_SHA256);
 	EVP_add_digest_alias(SN_sha384,SN_ecdsa_with_SHA384);
 	EVP_add_digest_alias(SN_sha512,SN_ecdsa_with_SHA512);
-	/* read in all our own OIDs */
-	initOIDs();
-
-	eku_nid = read_nidlist("eku.txt");
-	dn_nid = read_nidlist("dn.txt");
 
 	setAcceptDrops(true);
 
@@ -230,29 +221,6 @@ void MainWindow::setItemEnabled(bool enable)
 	enableTokenMenu(pkcs11::loaded());
 }
 
-/* creates a new nid list from the given filename */
-NIDlist *MainWindow::read_nidlist(QString name)
-{
-	NIDlist nl;
-	name = QDir::separator() + name;
-
-	/* first try $HOME/xca/ */
-	nl = readNIDlist(getUserSettingsDir() + name);
-#if !defined(Q_OS_WIN32)
-#if !defined(Q_OS_MAC)
-	if (nl.count() == 0){
-		/* next is /etx/xca/... */
-		nl = readNIDlist(QString(ETC) + name);
-	}
-#endif
-#endif
-	if (nl.count() == 0) {
-		/* look at /usr/(local/)share/xca/ */
-		nl = readNIDlist(getPrefix() + name);
-	}
-	return new NIDlist(nl);
-}
-
 void MainWindow::init_images()
 {
 	bigKey->setPixmap(QPixmap(":keyImg"));
@@ -566,10 +534,6 @@ MainWindow::~MainWindow()
 	ERR_free_strings();
 	EVP_cleanup();
 	OBJ_cleanup();
-	if (eku_nid)
-		delete eku_nid;
-	if (dn_nid)
-		delete dn_nid;
 	delete dbindex;
 #ifdef MDEBUG
 	fprintf(stderr, "Memdebug:\n");
diff --git a/widgets/NewX509.cpp b/widgets/NewX509.cpp
index 69932f78..26fe91f4 100644
--- a/widgets/NewX509.cpp
+++ b/widgets/NewX509.cpp
@@ -105,8 +105,7 @@ NewX509::NewX509(QWidget *parent)
 	:QDialog(parent)
 {
 	int i;
-	eku_nid = *MainWindow::eku_nid;
-	dn_nid = *MainWindow::dn_nid;
+
 	aia_nid << OBJ_sn2nid("OCSP") << OBJ_sn2nid("caIssuers");
 	attr_nid << NID_pkcs9_unstructuredName << NID_pkcs9_challengePassword;
 	QStringList keys;
@@ -116,7 +115,7 @@ NewX509::NewX509(QWidget *parent)
 	/* temporary storage for creating temporary X509V3_CTX */
 	ctx_cert = NULL;
 	pkiSource = generated;
-	foreach(int nid, dn_nid)
+	foreach(int nid, distname_nid)
 		keys << QString(OBJ_nid2ln(nid));
 
 	extDNlist->setKeys(keys);
@@ -172,7 +171,7 @@ NewX509::NewX509(QWidget *parent)
 	tempList->insertPkiItems(MainWindow::temps->getAllAndPredefs());
 
 	// setup Extended keyusage
-	foreach(int nid, eku_nid)
+	foreach(int nid, extkeyuse_nid)
 		ekeyUsage->addItem(OBJ_nid2ln(nid));
 
 	// setup Authority Info Access
diff --git a/widgets/NewX509.h b/widgets/NewX509.h
index 4af43e78..d6f03347 100644
--- a/widgets/NewX509.h
+++ b/widgets/NewX509.h
@@ -43,8 +43,6 @@ class NewX509: public QDialog, public Ui::NewX509
 {
 		Q_OBJECT
 	private:
-		NIDlist eku_nid;
-		NIDlist dn_nid;
 		NIDlist aia_nid;
 		NIDlist attr_nid;
 		QList<nameEdit> attrEdits;
diff --git a/widgets/NewX509_ext.cpp b/widgets/NewX509_ext.cpp
index 4a25ac47..227fc752 100644
--- a/widgets/NewX509_ext.cpp
+++ b/widgets/NewX509_ext.cpp
@@ -90,10 +90,8 @@ x509v3ext NewX509::getEkeyUsage()
 
 	int rows = ekeyUsage->count();
 	for (int i=0; i<rows; i++) {
-		//QListWidgetItem *li = ekeyUsage->item(i);
-		//printf("rows = %d, ekeyUsage = %d, %p\n", rows, i, li);
 		if (ekeyUsage->isItemSelected(ekeyUsage->item(i))) {
-			cont << QString(OBJ_nid2sn(eku_nid[i]));
+			cont << QString(OBJ_nid2sn(extkeyuse_nid[i]));
 		}
 	}
 	if (ekuCritical->isChecked() && cont.count() > 0)
diff --git a/widgets/Options.cpp b/widgets/Options.cpp
index e842e1f0..2cd4d573 100644
--- a/widgets/Options.cpp
+++ b/widgets/Options.cpp
@@ -9,6 +9,7 @@
 #include "Options.h"
 #include "SearchPkcs11.h"
 #include "lib/pki_scard.h"
+#include "lib/oid.h"
 #include <openssl/objects.h>
 #include <QMessageBox>
 #include <QToolTip>
@@ -21,7 +22,7 @@ Options::Options(MainWindow *parent)
 	setWindowTitle(XCA_TITLE);
 	setupUi(this);
 
-	foreach(int nid, *MainWindow::dn_nid) {
+	foreach(int nid, distname_nid) {
 		QString n = OBJ_nid2ln(nid);
 		extDNobj->addItem(n);
 		expDNobj->addItem(n);