diff --git a/extras/Demo/Source/Demos/AnimationDemo.cpp b/extras/Demo/Source/Demos/AnimationDemo.cpp
index 87a5b5821e..eea6ace331 100644
--- a/extras/Demo/Source/Demos/AnimationDemo.cpp
+++ b/extras/Demo/Source/Demos/AnimationDemo.cpp
@@ -252,8 +252,8 @@ private:
         if (Random::getSystemRandom().nextInt (200) < 4)
         {
             BallComponent* ball = new BallComponent (ballGenerator->getBounds().getCentre().toFloat());
-            balls.add (ball);
             addAndMakeVisible (ball);
+            balls.add (ball);
         }
     }
 
diff --git a/extras/Demo/Source/Demos/WindowsDemo.cpp b/extras/Demo/Source/Demos/WindowsDemo.cpp
index 21d79cb207..c36573430b 100644
--- a/extras/Demo/Source/Demos/WindowsDemo.cpp
+++ b/extras/Demo/Source/Demos/WindowsDemo.cpp
@@ -251,8 +251,8 @@ private:
 
     void closeAllWindows()
     {
-        for (int i = windows.size(); --i >= 0;)
-            windows.getReference (i).deleteAndZero();
+        for (int i = 0; i < windows.size(); ++i)
+            windows.getReference(i).deleteAndZero();
 
         windows.clear();
     }
@@ -261,8 +261,7 @@ private:
     {
         String m;
 
-        m << "Dialog Windows can be used to quickly show a component, usually blocking mouse input to other windows."
-          << newLine
+        m << "Dialog Windows can be used to quickly show a component, usually blocking mouse input to other windows." << newLine
           << newLine
           << "They can also be quickly closed with the escape key, try it now.";
 
diff --git a/modules/juce_audio_formats/codecs/flac/libFLAC/stream_encoder.c b/modules/juce_audio_formats/codecs/flac/libFLAC/stream_encoder.c
index 58e125d312..f2507ca94a 100644
--- a/modules/juce_audio_formats/codecs/flac/libFLAC/stream_encoder.c
+++ b/modules/juce_audio_formats/codecs/flac/libFLAC/stream_encoder.c
@@ -2629,7 +2629,7 @@ void update_metadata_(const FLAC__StreamEncoder *encoder)
 			b[3] = (FLAC__byte)xx; xx >>= 8;
 			b[2] = (FLAC__byte)xx; xx >>= 8;
 			b[1] = (FLAC__byte)xx; xx >>= 8;
-			b[0] = (FLAC__byte)xx; xx >>= 8;
+			b[0] = (FLAC__byte)xx; //xx >>= 8;
 			xx = encoder->private_->seek_table->points[i].stream_offset;
 			b[15] = (FLAC__byte)xx; xx >>= 8;
 			b[14] = (FLAC__byte)xx; xx >>= 8;
@@ -2638,10 +2638,10 @@ void update_metadata_(const FLAC__StreamEncoder *encoder)
 			b[11] = (FLAC__byte)xx; xx >>= 8;
 			b[10] = (FLAC__byte)xx; xx >>= 8;
 			b[9] = (FLAC__byte)xx; xx >>= 8;
-			b[8] = (FLAC__byte)xx; xx >>= 8;
+			b[8] = (FLAC__byte)xx; //xx >>= 8;
 			x = encoder->private_->seek_table->points[i].frame_samples;
 			b[17] = (FLAC__byte)x; x >>= 8;
-			b[16] = (FLAC__byte)x; x >>= 8;
+			b[16] = (FLAC__byte)x; //x >>= 8;
 			if(encoder->private_->write_callback(encoder, b, 18, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
 				encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
 				return;
diff --git a/modules/juce_box2d/box2d/Collision/b2Distance.cpp b/modules/juce_box2d/box2d/Collision/b2Distance.cpp
index 0f4cba2aa5..a1218dd9f6 100644
--- a/modules/juce_box2d/box2d/Collision/b2Distance.cpp
+++ b/modules/juce_box2d/box2d/Collision/b2Distance.cpp
@@ -467,7 +467,7 @@ void b2Distance(b2DistanceOutput* output,
 
 	b2Vec2 closestPoint = simplex.GetClosestPoint();
 	float32 distanceSqr1 = closestPoint.LengthSquared();
-	float32 distanceSqr2 = distanceSqr1;
+	float32 distanceSqr2;// = distanceSqr1;
 
 	// Main iteration loop.
 	int32 iter = 0;
diff --git a/modules/juce_box2d/box2d/Dynamics/Contacts/b2ContactSolver.cpp b/modules/juce_box2d/box2d/Dynamics/Contacts/b2ContactSolver.cpp
index 1b29f368b3..27f73b2153 100644
--- a/modules/juce_box2d/box2d/Dynamics/Contacts/b2ContactSolver.cpp
+++ b/modules/juce_box2d/box2d/Dynamics/Contacts/b2ContactSolver.cpp
@@ -477,7 +477,7 @@ void b2ContactSolver::SolveVelocityConstraints()
 				//
 				x.x = - cp1->normalMass * b.x;
 				x.y = 0.0f;
-				vn1 = 0.0f;
+				//vn1 = 0.0f;
 				vn2 = vc->K.ex.y * x.x + b.y;
 
 				if (x.x >= 0.0f && vn2 >= 0.0f)
@@ -520,7 +520,7 @@ void b2ContactSolver::SolveVelocityConstraints()
 				x.x = 0.0f;
 				x.y = - cp2->normalMass * b.y;
 				vn1 = vc->K.ey.x * x.y + b.x;
-				vn2 = 0.0f;
+				//vn2 = 0.0f;
 
 				if (x.y >= 0.0f && vn1 >= 0.0f)
 				{
diff --git a/modules/juce_box2d/box2d/Dynamics/b2ContactManager.cpp b/modules/juce_box2d/box2d/Dynamics/b2ContactManager.cpp
index d383f4f1c4..e954f548f4 100644
--- a/modules/juce_box2d/box2d/Dynamics/b2ContactManager.cpp
+++ b/modules/juce_box2d/box2d/Dynamics/b2ContactManager.cpp
@@ -245,8 +245,8 @@ void b2ContactManager::AddPair(void* proxyUserDataA, void* proxyUserDataB)
 	// Contact creation may swap fixtures.
 	fixtureA = c->GetFixtureA();
 	fixtureB = c->GetFixtureB();
-	indexA = c->GetChildIndexA();
-	indexB = c->GetChildIndexB();
+//	indexA = c->GetChildIndexA();
+//	indexB = c->GetChildIndexB();
 	bodyA = fixtureA->GetBody();
 	bodyB = fixtureB->GetBody();
 
diff --git a/modules/juce_gui_basics/components/juce_Component.h b/modules/juce_gui_basics/components/juce_Component.h
index df21f049ba..e3e4e31141 100644
--- a/modules/juce_gui_basics/components/juce_Component.h
+++ b/modules/juce_gui_basics/components/juce_Component.h
@@ -2121,7 +2121,7 @@ public:
         const ComponentType* operator->() const noexcept    { return getComponent(); }
 
         /** If the component is valid, this deletes it and sets this pointer to null. */
-        void deleteAndZero()                                { delete getComponent(); jassert (getComponent() == nullptr); }
+        void deleteAndZero()                                { delete getComponent(); }
 
         bool operator== (ComponentType* component) const noexcept   { return weakRef == component; }
         bool operator!= (ComponentType* component) const noexcept   { return weakRef != component; }