diff --git a/src/renderer/tvgGlCanvas.cpp b/src/renderer/tvgGlCanvas.cpp
index 211dbb58..64b68577 100644
--- a/src/renderer/tvgGlCanvas.cpp
+++ b/src/renderer/tvgGlCanvas.cpp
@@ -45,15 +45,14 @@ struct GlCanvas::Impl
 /************************************************************************/
 
 #ifdef THORVG_GL_RASTER_SUPPORT
-GlCanvas::GlCanvas() : Canvas(GlRenderer::gen()), pImpl(new Impl)
+GlCanvas::GlCanvas() : Canvas(GlRenderer::gen()), pImpl(nullptr)
 #else
-GlCanvas::GlCanvas() : Canvas(nullptr), pImpl(new Impl)
+GlCanvas::GlCanvas() : Canvas(nullptr), pImpl(nullptr)
 #endif
 {
 }
 
 
-
 GlCanvas::~GlCanvas()
 {
     delete(pImpl);
diff --git a/src/renderer/tvgSwCanvas.cpp b/src/renderer/tvgSwCanvas.cpp
index 52d85d83..32c608f8 100644
--- a/src/renderer/tvgSwCanvas.cpp
+++ b/src/renderer/tvgSwCanvas.cpp
@@ -46,9 +46,9 @@ struct SwCanvas::Impl
 /************************************************************************/
 
 #ifdef THORVG_SW_RASTER_SUPPORT
-SwCanvas::SwCanvas() : Canvas(SwRenderer::gen()), pImpl(new Impl)
+SwCanvas::SwCanvas() : Canvas(SwRenderer::gen()), pImpl(nullptr)
 #else
-SwCanvas::SwCanvas() : Canvas(nullptr), pImpl(new Impl)
+SwCanvas::SwCanvas() : Canvas(nullptr), pImpl(nullptr)
 #endif
 {
 }
diff --git a/src/renderer/tvgWgCanvas.cpp b/src/renderer/tvgWgCanvas.cpp
index f7da7c26..7e7a6ceb 100644
--- a/src/renderer/tvgWgCanvas.cpp
+++ b/src/renderer/tvgWgCanvas.cpp
@@ -47,11 +47,13 @@ WgCanvas::WgCanvas() : Canvas(nullptr), pImpl(nullptr)
 {
 }
 
+
 WgCanvas::~WgCanvas()
 {
     delete pImpl;
 }
 
+
 Result WgCanvas::target(void* instance, void* surface, uint32_t w, uint32_t h) noexcept
 {
 #ifdef THORVG_WG_RASTER_SUPPORT
@@ -75,6 +77,7 @@ Result WgCanvas::target(void* instance, void* surface, uint32_t w, uint32_t h) n
     return Result::NonSupport;
 }
 
+
 unique_ptr<WgCanvas> WgCanvas::gen() noexcept
 {
 #ifdef THORVG_WG_RASTER_SUPPORT