3 files changed, 2 insertions, 18 deletions
diff --git a/src/qml/jsruntime/qv4global_p.h b/src/qml/jsruntime/qv4global_p.h
index ace070c683..77f8fe75d0 100644
--- a/src/qml/jsruntime/qv4global_p.h
+++ b/src/qml/jsruntime/qv4global_p.h
@@ -64,21 +64,6 @@
 #include <qtqmlglobal.h>
 #include <private/qtqmlglobal_p.h>
 
-#if defined(Q_CC_MSVC)
-#include <float.h>
-#include <math.h>
-
-namespace std {
-
-inline bool isinf(double d) { return !_finite(d) && !_isnan(d); }
-inline bool isnan(double d) { return !!_isnan(d); }
-inline bool isfinite(double d) { return _finite(d); }
-
-} // namespace std
-
-inline double trunc(double d) { return d > 0 ? floor(d) : ceil(d); }
-#endif
-
 // Do certain things depending on whether the JIT is enabled or disabled
 
 #if QT_CONFIG(qml_jit)
diff --git a/src/qml/jsruntime/qv4mathobject.cpp b/src/qml/jsruntime/qv4mathobject.cpp
index 07440047d4..c6b74e7aba 100644
--- a/src/qml/jsruntime/qv4mathobject.cpp
+++ b/src/qml/jsruntime/qv4mathobject.cpp
@@ -47,7 +47,6 @@
 #include <QtCore/private/qnumeric_p.h>
 #include <QtCore/qthreadstorage.h>
 
-#include <math.h>
 #include <cmath>
 
 using namespace QV4;
diff --git a/src/qml/jsruntime/qv4stringobject.cpp b/src/qml/jsruntime/qv4stringobject.cpp
index e41c1030b3..14c1e3ed54 100644
--- a/src/qml/jsruntime/qv4stringobject.cpp
+++ b/src/qml/jsruntime/qv4stringobject.cpp
@@ -531,9 +531,9 @@ ReturnedValue StringPrototype::method_lastIndexOf(const FunctionObject *b, const
     if (std::isnan(position))
         position = +qInf();
     else
-        position = trunc(position);
+        position = std::trunc(position);
 
-    int pos = trunc(qMin(qMax(position, 0.0), double(value.length())));
+    int pos = std::trunc(qMin(qMax(position, 0.0), double(value.length())));
     if (!searchString.isEmpty() && pos == value.length())
         --pos;
     if (searchString.isNull() && pos == 0)