diff --git a/scriptengines/javascript/simplebindings/color.cpp b/scriptengines/javascript/simplebindings/color.cpp
index 10b786fe5..932c1fe88 100644
--- a/scriptengines/javascript/simplebindings/color.cpp
+++ b/scriptengines/javascript/simplebindings/color.cpp
@@ -100,9 +100,9 @@ static QScriptValue alpha(QScriptContext *ctx, QScriptEngine *eng)
     return QScriptValue(eng, self->alpha());
 }
 
-static QScriptValue isValid(QScriptContext *ctx, QScriptEngine *eng)
+static QScriptValue valid(QScriptContext *ctx, QScriptEngine *eng)
 {
-    DECLARE_SELF(QColor, isValid);
+    DECLARE_SELF(QColor, valid);
     return QScriptValue(eng, self->isValid());
 }
 
@@ -115,7 +115,7 @@ QScriptValue constructColorClass(QScriptEngine *eng)
     proto.setProperty("green", eng->newFunction(green), getter | setter);
     proto.setProperty("blue", eng->newFunction(blue), getter | setter);
     proto.setProperty("alpha", eng->newFunction(alpha), getter | setter);
-    proto.setProperty("isValid", eng->newFunction(isValid), getter);
+    proto.setProperty("valid", eng->newFunction(valid), getter);
 
     eng->setDefaultPrototype(qMetaTypeId<QColor>(), proto);
     eng->setDefaultPrototype(qMetaTypeId<QColor*>(), proto);
diff --git a/scriptengines/javascript/simplebindings/painter.cpp b/scriptengines/javascript/simplebindings/painter.cpp
index d0592225d..64a949ecd 100644
--- a/scriptengines/javascript/simplebindings/painter.cpp
+++ b/scriptengines/javascript/simplebindings/painter.cpp
@@ -585,9 +585,9 @@ static QScriptValue hasClipping(QScriptContext *ctx, QScriptEngine *eng)
 
 /////////////////////////////////////////////////////////////
 
-static QScriptValue isActive(QScriptContext *ctx, QScriptEngine *eng)
+static QScriptValue active(QScriptContext *ctx, QScriptEngine *eng)
 {
-    DECLARE_SELF(QPainter, isActive);
+    DECLARE_SELF(QPainter, active);
     return QScriptValue(eng, self->isActive());
 }
 
@@ -1092,7 +1092,7 @@ QScriptValue constructPainterClass(QScriptEngine *eng)
 
     proto.setProperty("combinedMatrix", eng->newFunction(combinedMatrix), getter);
     proto.setProperty("combinedTransform", eng->newFunction(combinedTransform), getter);
-    proto.setProperty("isActive", eng->newFunction(isActive), getter);
+    proto.setProperty("active", eng->newFunction(active), getter);
 
     ADD_METHOD(proto, begin);
     ADD_METHOD(proto, end);
diff --git a/scriptengines/javascript/simplebindings/pen.cpp b/scriptengines/javascript/simplebindings/pen.cpp
index 64e2df8f3..a16c159b2 100644
--- a/scriptengines/javascript/simplebindings/pen.cpp
+++ b/scriptengines/javascript/simplebindings/pen.cpp
@@ -126,9 +126,9 @@ static QScriptValue width(QScriptContext *ctx, QScriptEngine *eng)
     return QScriptValue(eng, self->width());
 }
 
-static QScriptValue isSolid(QScriptContext *ctx, QScriptEngine *eng)
+static QScriptValue solid(QScriptContext *ctx, QScriptEngine *eng)
 {
-    DECLARE_SELF(QPen, isSolid);
+    DECLARE_SELF(QPen, solid);
     return QScriptValue(eng, self->isSolid());
 }
 
@@ -145,7 +145,7 @@ QScriptValue constructPenClass(QScriptEngine *eng)
     proto.setProperty("dashOffset", eng->newFunction(dashOffset), getter | setter);
     proto.setProperty("miterLimit", eng->newFunction(miterLimit), getter | setter);
     proto.setProperty("width", eng->newFunction(width), getter | setter);
-    proto.setProperty("isSolid", eng->newFunction(isSolid), getter);
+    proto.setProperty("solid", eng->newFunction(solid), getter);
 
     QScriptValue ctorFun = eng->newFunction(ctor, proto);
     ADD_ENUM_VALUE(ctorFun, Qt, FlatCap);
diff --git a/scriptengines/javascript/simplebindings/pixmap.cpp b/scriptengines/javascript/simplebindings/pixmap.cpp
index a88afe672..b4eb87ef7 100644
--- a/scriptengines/javascript/simplebindings/pixmap.cpp
+++ b/scriptengines/javascript/simplebindings/pixmap.cpp
@@ -48,9 +48,9 @@ static QScriptValue rect(QScriptContext *ctx, QScriptEngine *eng)
     return qScriptValueFromValue(eng, QRectF(self->rect()));
 }
 
-static QScriptValue isNull(QScriptContext *ctx, QScriptEngine *eng)
+static QScriptValue null(QScriptContext *ctx, QScriptEngine *eng)
 {
-    DECLARE_SELF(QPixmap, isNull);
+    DECLARE_SELF(QPixmap, null);
     return QScriptValue(eng, self->isNull());
 }
 
@@ -67,7 +67,7 @@ QScriptValue constructQPixmapClass(QScriptEngine *eng)
     QScriptValue proto = qScriptValueFromValue(eng, QPixmap());
     QScriptValue::PropertyFlags getter = QScriptValue::PropertyGetter;
     QScriptValue::PropertyFlags setter = QScriptValue::PropertySetter;
-    proto.setProperty("isNull", eng->newFunction(isNull), getter);
+    proto.setProperty("null", eng->newFunction(null), getter);
     proto.setProperty("rect", eng->newFunction(rect), getter);
     proto.setProperty("scaled", eng->newFunction(scaled), getter);
 
diff --git a/scriptengines/javascript/simplebindings/point.cpp b/scriptengines/javascript/simplebindings/point.cpp
index bfac1b23d..c9e6f1272 100644
--- a/scriptengines/javascript/simplebindings/point.cpp
+++ b/scriptengines/javascript/simplebindings/point.cpp
@@ -37,9 +37,9 @@ static QScriptValue ctor(QScriptContext *ctx, QScriptEngine *eng)
     return qScriptValueFromValue(eng, QPoint());
 }
 
-static QScriptValue isNull(QScriptContext *ctx, QScriptEngine *eng)
+static QScriptValue null(QScriptContext *ctx, QScriptEngine *eng)
 {
-    DECLARE_SELF(QPoint, isNull);
+    DECLARE_SELF(QPoint, null);
     return QScriptValue(eng, self->isNull());
 }
 
@@ -79,7 +79,7 @@ QScriptValue constructQPointClass(QScriptEngine *eng)
     QScriptValue::PropertyFlags getter = QScriptValue::PropertyGetter;
     QScriptValue::PropertyFlags setter = QScriptValue::PropertySetter;
 
-    proto.setProperty("isNull", eng->newFunction(isNull), getter);
+    proto.setProperty("null", eng->newFunction(null), getter);
     proto.setProperty("manhattanLength", eng->newFunction(manhattanLength), getter);
     proto.setProperty("x", eng->newFunction(x), getter | setter);
     proto.setProperty("y", eng->newFunction(y), getter | setter);
diff --git a/scriptengines/javascript/simplebindings/rect.cpp b/scriptengines/javascript/simplebindings/rect.cpp
index b1776ef6a..1403948ca 100644
--- a/scriptengines/javascript/simplebindings/rect.cpp
+++ b/scriptengines/javascript/simplebindings/rect.cpp
@@ -107,21 +107,21 @@ static QScriptValue height(QScriptContext *ctx, QScriptEngine *eng)
     return QScriptValue(eng, self->height());
 }
 
-static QScriptValue isEmpty(QScriptContext *ctx, QScriptEngine *eng)
+static QScriptValue empty(QScriptContext *ctx, QScriptEngine *eng)
 {
-    DECLARE_SELF(QRectF, isEmpty);
+    DECLARE_SELF(QRectF, empty);
     return QScriptValue(eng, self->isEmpty());
 }
 
-static QScriptValue isNull(QScriptContext *ctx, QScriptEngine *eng)
+static QScriptValue null(QScriptContext *ctx, QScriptEngine *eng)
 {
-    DECLARE_SELF(QRectF, isNull);
+    DECLARE_SELF(QRectF, null);
     return QScriptValue(eng, self->isNull());
 }
 
-static QScriptValue isValid(QScriptContext *ctx, QScriptEngine *eng)
+static QScriptValue valid(QScriptContext *ctx, QScriptEngine *eng)
 {
-    DECLARE_SELF(QRectF, isValid);
+    DECLARE_SELF(QRectF, valid);
     return QScriptValue(eng, self->isValid());
 }
 
@@ -310,9 +310,9 @@ QScriptValue constructQRectFClass(QScriptEngine *eng)
     proto.setProperty("moveTo", eng->newFunction(moveTo));
     proto.setProperty("moveTop", eng->newFunction(moveTop));
 
-    proto.setProperty("isEmpty", eng->newFunction(isEmpty), getter);
-    proto.setProperty("isNull", eng->newFunction(isNull), getter);
-    proto.setProperty("isValid", eng->newFunction(isValid), getter);
+    proto.setProperty("empty", eng->newFunction(empty), getter);
+    proto.setProperty("null", eng->newFunction(null), getter);
+    proto.setProperty("valid", eng->newFunction(valid), getter);
 
     proto.setProperty("left", eng->newFunction(left), getter | setter);
     proto.setProperty("top", eng->newFunction(top), getter | setter);
diff --git a/scriptengines/javascript/simplebindings/timer.cpp b/scriptengines/javascript/simplebindings/timer.cpp
index 8816a63ec..4b6f1034c 100644
--- a/scriptengines/javascript/simplebindings/timer.cpp
+++ b/scriptengines/javascript/simplebindings/timer.cpp
@@ -42,9 +42,9 @@ static QScriptValue toString(QScriptContext *ctx, QScriptEngine *eng)
                         .arg(self->interval()));
 }
 
-static QScriptValue isActive(QScriptContext *ctx, QScriptEngine *eng)
+static QScriptValue active(QScriptContext *ctx, QScriptEngine *eng)
 {
-    DECLARE_SELF(QTimer, isActive);
+    DECLARE_SELF(QTimer, active);
 
     if (ctx->argumentCount()) {
         if (ctx->argument(0).toBool()) {
@@ -64,7 +64,7 @@ QScriptValue constructTimerClass(QScriptEngine *eng)
     eng->setDefaultPrototype(qMetaTypeId<QTimer*>(), proto);
     QScriptValue::PropertyFlags getter = QScriptValue::PropertyGetter;
     QScriptValue::PropertyFlags setter = QScriptValue::PropertySetter;
-    proto.setProperty("isActive", eng->newFunction(isActive), getter | setter);
+    proto.setProperty("active", eng->newFunction(active), getter | setter);
 
     return eng->newFunction(ctor, proto);
 }