diff --git a/test/borders_test.cc b/test/borders_test.cc
index 5071541..b30be45 100644
--- a/test/borders_test.cc
+++ b/test/borders_test.cc
@@ -21,6 +21,7 @@
     public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
  protected:
   BordersTest() : EncoderTest(GET_PARAM(0)) {}
+  virtual ~BordersTest() {}
 
   virtual void SetUp() {
     InitializeConfig();
diff --git a/test/config_test.cc b/test/config_test.cc
index 36c6330..0493110 100644
--- a/test/config_test.cc
+++ b/test/config_test.cc
@@ -20,6 +20,7 @@
  protected:
   ConfigTest() : EncoderTest(GET_PARAM(0)),
                  frame_count_in_(0), frame_count_out_(0), frame_count_max_(0) {}
+  virtual ~ConfigTest() {}
 
   virtual void SetUp() {
     InitializeConfig();
diff --git a/test/cpu_speed_test.cc b/test/cpu_speed_test.cc
index 569ff26..be651b4 100644
--- a/test/cpu_speed_test.cc
+++ b/test/cpu_speed_test.cc
@@ -22,6 +22,7 @@
         libvpx_test::TestMode, int> {
  protected:
   CpuSpeedTest() : EncoderTest(GET_PARAM(0)) {}
+  virtual ~CpuSpeedTest() {}
 
   virtual void SetUp() {
     InitializeConfig();
diff --git a/test/keyframe_test.cc b/test/keyframe_test.cc
index 7ee2898..d8b21a1 100644
--- a/test/keyframe_test.cc
+++ b/test/keyframe_test.cc
@@ -21,6 +21,7 @@
     public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
  protected:
   KeyframeTest() : EncoderTest(GET_PARAM(0)) {}
+  virtual ~KeyframeTest() {}
 
   virtual void SetUp() {
     InitializeConfig();
diff --git a/test/superframe_test.cc b/test/superframe_test.cc
index d91e7b1..c0f542d 100644
--- a/test/superframe_test.cc
+++ b/test/superframe_test.cc
@@ -21,6 +21,7 @@
  protected:
   SuperframeTest() : EncoderTest(GET_PARAM(0)), modified_buf_(NULL),
       last_sf_pts_(0) {}
+  virtual ~SuperframeTest() {}
 
   virtual void SetUp() {
     InitializeConfig();