diff --git a/tests/base64/base64.cpp b/tests/base64/base64.cpp
index ed7ec5565a..d75be1108a 100644
--- a/tests/base64/base64.cpp
+++ b/tests/base64/base64.cpp
@@ -269,6 +269,8 @@ void Base64TestCase::EncodeDecodeRandom()
     size_t realsize = size;
     CPPUNIT_ASSERT(wxBase64Decode(buff2, realsize, (char *)buff, size));
     CPPUNIT_ASSERT(wxBase64Encode(buff2, size, buff2, realsize));
+    delete[] buff2;
+    delete[] buff;
 }
 
 void Base64TestCase::DecodeInvalid()
diff --git a/tests/fswatcher/fswatchertest.cpp b/tests/fswatcher/fswatchertest.cpp
index 6561eb46ee..961da588d4 100644
--- a/tests/fswatcher/fswatchertest.cpp
+++ b/tests/fswatcher/fswatchertest.cpp
@@ -402,6 +402,7 @@ public:
             1, m_events.size()
         );
 
+        delete e;
     }
 
     virtual void GenerateEvent() = 0;
diff --git a/tests/graphics/clippingbox.cpp b/tests/graphics/clippingbox.cpp
index 77d1ca16ae..9cf1071cca 100644
--- a/tests/graphics/clippingbox.cpp
+++ b/tests/graphics/clippingbox.cpp
@@ -1230,6 +1230,7 @@ void ClippingBoxTestCaseDCBase::OneDevRegionNonRect()
                  m_dc->DeviceToLogicalXRel(clipW),
                  m_dc->DeviceToLogicalYRel(clipH), 1);
     CheckClipShape(bmpRef, 1);
+    delete memDC;
 }
 
 void ClippingBoxTestCaseDCBase::OneDevRegionAndReset()
diff --git a/tests/graphics/measuring.cpp b/tests/graphics/measuring.cpp
index 8bcd85e88a..397f586421 100644
--- a/tests/graphics/measuring.cpp
+++ b/tests/graphics/measuring.cpp
@@ -183,6 +183,7 @@ void MeasuringTextTestCase::GraphicsGetTextExtent()
     context->SetFont(font, *wxBLACK);
     double width, height, descent, externalLeading = 0.0;
     context->GetTextExtent("x", &width, &height, &descent, &externalLeading);
+    delete context;
 
     // TODO: Determine a way to make these tests more robust.
     CPPUNIT_ASSERT(width > 0.0);
diff --git a/tests/thread/atomic.cpp b/tests/thread/atomic.cpp
index b85c99d849..7fae5d69fe 100644
--- a/tests/thread/atomic.cpp
+++ b/tests/thread/atomic.cpp
@@ -146,6 +146,7 @@ void AtomicTestCase::TestWithThreads(int count, ETestType testType)
         if ( thread->Create() != wxTHREAD_NO_ERROR )
         {
             wxLogError(wxT("Can't create thread!"));
+            delete thread;
         }
         else
             threads.Add(thread);
@@ -161,6 +162,7 @@ void AtomicTestCase::TestWithThreads(int count, ETestType testType)
     {
         // each thread should return 0, else it detected some problem
         CPPUNIT_ASSERT (threads[i]->Wait() == (wxThread::ExitCode)0);
+        delete threads[i];
     }
 
     CPPUNIT_ASSERT( int1 == 0 );
diff --git a/tests/thread/queue.cpp b/tests/thread/queue.cpp
index be6e886fa5..42ceb319c5 100644
--- a/tests/thread/queue.cpp
+++ b/tests/thread/queue.cpp
@@ -130,6 +130,7 @@ void QueueTestCase::TestReceive()
         // if it returns a negative, then it detected some problem.
         wxThread::ExitCode code = threads[i]->Wait();
         CPPUNIT_ASSERT_EQUAL( code, (wxThread::ExitCode)wxMSGQUEUE_NO_ERROR );
+        delete threads[i];
     }
 }
 
@@ -162,6 +163,8 @@ void QueueTestCase::TestReceiveTimeout()
 
     CPPUNIT_ASSERT_EQUAL( code1, (wxThread::ExitCode)wxMSGQUEUE_NO_ERROR );
     CPPUNIT_ASSERT_EQUAL( code2, (wxThread::ExitCode)wxMSGQUEUE_TIMEOUT );
+    delete thread2;
+    delete thread1;
 }
 
 // every thread tries to read exactly m_maxMsgCount messages from its queue