diff --git a/tests/auto/cplusplus/translationunit/tst_translationunit.cpp b/tests/auto/cplusplus/translationunit/tst_translationunit.cpp
index c5779241f23..862127aff59 100644
--- a/tests/auto/cplusplus/translationunit/tst_translationunit.cpp
+++ b/tests/auto/cplusplus/translationunit/tst_translationunit.cpp
@@ -227,6 +227,7 @@ static QByteArray stripEncodingPrefixAndQuotationMarks(const QByteArray &literal
     Q_ASSERT(firstQuotationMarkPosition != -1);
     Q_ASSERT(lastQuotationMarkPosition == literal.size() - 1);
     Q_ASSERT(firstQuotationMarkPosition < lastQuotationMarkPosition - 1);
+    Q_UNUSED(lastQuotationMarkPosition);
 
     QByteArray result = literal.mid(firstQuotationMarkPosition + 1);
     result.chop(1);
diff --git a/tests/auto/externaltool/externaltool.pro b/tests/auto/externaltool/externaltool.pro
index a94191c5447..1c7936c0e20 100644
--- a/tests/auto/externaltool/externaltool.pro
+++ b/tests/auto/externaltool/externaltool.pro
@@ -1,7 +1,6 @@
+QTC_LIB_DEPENDS += utils
 QTC_PLUGIN_DEPENDS += coreplugin
 include(../qttest.pri)
-include($$IDE_SOURCE_TREE/src/plugins/coreplugin/coreplugin_dependencies.pri)
-include($$IDE_SOURCE_TREE/src/libs/utils/utils_dependencies.pri)
 
 SOURCES += tst_externaltooltest.cpp \
     $$IDE_SOURCE_TREE/src/plugins/coreplugin/externaltool.cpp
diff --git a/tests/auto/valgrind/memcheck/testapps/leak3/leak3.pro b/tests/auto/valgrind/memcheck/testapps/leak3/leak3.pro
index 1351ca88d76..0076f66a1e3 100644
--- a/tests/auto/valgrind/memcheck/testapps/leak3/leak3.pro
+++ b/tests/auto/valgrind/memcheck/testapps/leak3/leak3.pro
@@ -7,4 +7,6 @@ QT += core
 
 macx:CONFIG -= app_bundle
 
+win32-msvc*:QMAKE_CXXFLAGS += -w4996
+
 SOURCES += main.cpp
diff --git a/tests/auto/valgrind/memcheck/testapps/overlap/overlap.pro b/tests/auto/valgrind/memcheck/testapps/overlap/overlap.pro
index 72bb8a99d9f..dcc03cf1825 100644
--- a/tests/auto/valgrind/memcheck/testapps/overlap/overlap.pro
+++ b/tests/auto/valgrind/memcheck/testapps/overlap/overlap.pro
@@ -3,7 +3,7 @@ TARGET = overlap
 
 CONFIG += debug console
 CONFIG -= qt
-QMAKE_CXXFLAGS = -O0 -fno-builtin
+!win32-msvc*:QMAKE_CXXFLAGS = -O0 -fno-builtin
 
 macx:CONFIG -= app_bundle
 
diff --git a/tests/auto/valgrind/memcheck/testapps/uninit1/main.cpp b/tests/auto/valgrind/memcheck/testapps/uninit1/main.cpp
index 7365f7ba3e9..f81c4702c69 100644
--- a/tests/auto/valgrind/memcheck/testapps/uninit1/main.cpp
+++ b/tests/auto/valgrind/memcheck/testapps/uninit1/main.cpp
@@ -28,8 +28,6 @@
 **
 ****************************************************************************/
 
-#pragma GCC diagnostic ignored "-Wuninitialized"
-
 int main()
 {
     bool b;
diff --git a/tests/auto/valgrind/memcheck/testapps/uninit1/uninit1.pro b/tests/auto/valgrind/memcheck/testapps/uninit1/uninit1.pro
index 6374c0c80b6..7690b4848b3 100644
--- a/tests/auto/valgrind/memcheck/testapps/uninit1/uninit1.pro
+++ b/tests/auto/valgrind/memcheck/testapps/uninit1/uninit1.pro
@@ -3,7 +3,8 @@ TARGET = uninit1
 
 CONFIG += debug console
 CONFIG -= qt
-QMAKE_CXXFLAGS = -O0
+win32-msvc*:QMAKE_CXXFLAGS += -w4700
+else:QMAKE_CXXFLAGS = -O0 -Wno-uninitialized
 
 macx:CONFIG -= app_bundle
 
diff --git a/tests/auto/valgrind/memcheck/testapps/uninit2/main.cpp b/tests/auto/valgrind/memcheck/testapps/uninit2/main.cpp
index 961d1c17007..f2aa1e2d1eb 100644
--- a/tests/auto/valgrind/memcheck/testapps/uninit2/main.cpp
+++ b/tests/auto/valgrind/memcheck/testapps/uninit2/main.cpp
@@ -28,8 +28,6 @@
 **
 ****************************************************************************/
 
-#pragma GCC diagnostic ignored "-Wuninitialized"
-
 int main()
 {
     int *i;
diff --git a/tests/auto/valgrind/memcheck/testapps/uninit2/uninit2.pro b/tests/auto/valgrind/memcheck/testapps/uninit2/uninit2.pro
index b567008dd22..a2c3341c15a 100644
--- a/tests/auto/valgrind/memcheck/testapps/uninit2/uninit2.pro
+++ b/tests/auto/valgrind/memcheck/testapps/uninit2/uninit2.pro
@@ -3,7 +3,8 @@ TARGET = uninit2
 
 CONFIG += debug console
 CONFIG -= qt
-QMAKE_CXXFLAGS = -O0
+win32-msvc*:QMAKE_CXXFLAGS += -w4700
+else:QMAKE_CXXFLAGS = -O0 -Wno-uninitialized
 
 macx:CONFIG -= app_bundle
 
diff --git a/tests/auto/valgrind/memcheck/testapps/uninit3/main.cpp b/tests/auto/valgrind/memcheck/testapps/uninit3/main.cpp
index 6832aff7f0a..565f6533b03 100644
--- a/tests/auto/valgrind/memcheck/testapps/uninit3/main.cpp
+++ b/tests/auto/valgrind/memcheck/testapps/uninit3/main.cpp
@@ -28,8 +28,6 @@
 **
 ****************************************************************************/
 
-#pragma GCC diagnostic ignored "-Wuninitialized"
-
 int main()
 {
     int *i;
diff --git a/tests/auto/valgrind/memcheck/testapps/uninit3/uninit3.pro b/tests/auto/valgrind/memcheck/testapps/uninit3/uninit3.pro
index 3333b310d84..43fdc08abef 100644
--- a/tests/auto/valgrind/memcheck/testapps/uninit3/uninit3.pro
+++ b/tests/auto/valgrind/memcheck/testapps/uninit3/uninit3.pro
@@ -3,7 +3,8 @@ TARGET = uninit3
 
 CONFIG += debug console
 CONFIG -= qt
-QMAKE_CXXFLAGS = -O0
+win32-msvc*:QMAKE_CXXFLAGS += -w4700
+else:QMAKE_CXXFLAGS = -O0 -Wno-uninitialized
 
 macx:CONFIG -= app_bundle
 
diff --git a/tests/manual/debugger/simple/simple_test_app.cpp b/tests/manual/debugger/simple/simple_test_app.cpp
index ee7cc0bd366..e9a9563179b 100644
--- a/tests/manual/debugger/simple/simple_test_app.cpp
+++ b/tests/manual/debugger/simple/simple_test_app.cpp
@@ -3245,12 +3245,12 @@ namespace stdmap {
     {
         typedef std::pair<uint, float> V;
         std::multimap<uint, float> map;
-        map.insert(V(11, 11.0));
-        map.insert(V(22, 22.0));
-        map.insert(V(22, 33.0));
-        map.insert(V(22, 34.0));
-        map.insert(V(22, 35.0));
-        map.insert(V(22, 36.0));
+        map.insert(V(11, 11.0f));
+        map.insert(V(22, 22.0f));
+        map.insert(V(22, 33.0f));
+        map.insert(V(22, 34.0f));
+        map.insert(V(22, 35.0f));
+        map.insert(V(22, 36.0f));
         BREAK_HERE;
         // Expand map.
         // Check map <6 items> std:multimap<unsigned int, float>.
@@ -7089,9 +7089,9 @@ namespace sanity {
 } // namespace sanity
 
 
-template <class X> int ffff(X x)
+template <class X> int ffff(X)
 {
-    return sizeof(x);
+    return sizeof(X);
 }
 
 int main(int argc, char *argv[])