diff --git a/src/interface/modeler/quickapp/RenderPreviewProvider.cpp b/src/interface/modeler/quickapp/RenderPreviewProvider.cpp
index 473977c..68eb364 100644
--- a/src/interface/modeler/quickapp/RenderPreviewProvider.cpp
+++ b/src/interface/modeler/quickapp/RenderPreviewProvider.cpp
@@ -22,7 +22,7 @@ RenderPreviewProvider::~RenderPreviewProvider()
     delete pixbuf;
 }
 
-QImage RenderPreviewProvider::requestImage(const QString &id, QSize *size, const QSize &requestedSize)
+QImage RenderPreviewProvider::requestImage(const QString &, QSize *size, const QSize &)
 {
     if (canvas)
     {
diff --git a/src/interface/modeler/quickapp/WaterModeler.cpp b/src/interface/modeler/quickapp/WaterModeler.cpp
index a0057db..f54960a 100644
--- a/src/interface/modeler/quickapp/WaterModeler.cpp
+++ b/src/interface/modeler/quickapp/WaterModeler.cpp
@@ -12,7 +12,7 @@ WaterModeler::WaterModeler(MainModelerWindow *main):
     }
 }
 
-void WaterModeler::waterLevelChanged(double value)
+void WaterModeler::waterLevelChanged(double)
 {
     // TODO
     //qDebug() << "water level : " << value;
diff --git a/src/render/software/FluidMediumManager.cpp b/src/render/software/FluidMediumManager.cpp
index 9f66e75..2466f7f 100644
--- a/src/render/software/FluidMediumManager.cpp
+++ b/src/render/software/FluidMediumManager.cpp
@@ -29,7 +29,7 @@ Color FluidMediumManager::applyTraversal(const Vector3 &eye, const Vector3 &loca
     int max_segments = media.size();
     FluidMediumSegment* segments;
     segments = new FluidMediumSegment[max_segments];
-    int segment_count = getTraversedMedia(segments, ray, max_segments);
+    getTraversedMedia(segments, ray, max_segments);
 
     delete[] segments;
     return color;
diff --git a/src/render/software/TerrainRasterizer.cpp b/src/render/software/TerrainRasterizer.cpp
index f836dd3..c66603b 100644
--- a/src/render/software/TerrainRasterizer.cpp
+++ b/src/render/software/TerrainRasterizer.cpp
@@ -192,7 +192,7 @@ void TerrainRasterizer::getTessellationInfo(CanvasPortion* canvas, bool displace
     }
 }
 
-void TerrainRasterizer::processChunk(CanvasPortion* canvas, TerrainChunkInfo* chunk, double progress)
+void TerrainRasterizer::processChunk(CanvasPortion* canvas, TerrainChunkInfo* chunk, double)
 {
     tessellateChunk(canvas, chunk, chunk->detail_hint);
 }
diff --git a/src/tests/DefinitionNode_Test.cpp b/src/tests/DefinitionNode_Test.cpp
index a652ce3..446f2e6 100644
--- a/src/tests/DefinitionNode_Test.cpp
+++ b/src/tests/DefinitionNode_Test.cpp
@@ -42,12 +42,12 @@ TEST(DefinitionNode, saveLoad)
 
     DefinitionNode* before = new DefinitionNode(NULL, "root");
     DefinitionNode* before1 = new DefinitionNode(before, "before1");
-    FloatNode* before11 = new FloatNode(before1, "before11", 2.1);
-    FloatNode* before12 = new FloatNode(before1, "before12", -4.3);
+    new FloatNode(before1, "before11", 2.1);
+    new FloatNode(before1, "before12", -4.3);
     DefinitionNode* before2 = new DefinitionNode(before, "before2");
-    DefinitionNode* before21 = new DefinitionNode(before2, "before21");
-    FloatNode* before22 = new FloatNode(before2, "before22");
-    FloatNode* before3 = new FloatNode(before, "before3", 6.7);
+    new DefinitionNode(before2, "before21");
+    new FloatNode(before2, "before22");
+    new FloatNode(before, "before3", 6.7);
 
     stream = new PackStream();
     stream->bindToFile("/tmp/test_paysages_pack", true);
@@ -71,4 +71,7 @@ TEST(DefinitionNode, saveLoad)
     EXPECT_DOUBLE_EQ(0.0, after13->getValue());
     EXPECT_DOUBLE_EQ(6.7, after3->getValue());
     EXPECT_DOUBLE_EQ(0.0, after4->getValue());
+
+    delete before;
+    delete after;
 }