diff --git a/graphics/deko3d/deko_examples/source/SampleFramework/CCmdMemRing.h b/graphics/deko3d/deko_examples/source/SampleFramework/CCmdMemRing.h
index aab2905..f124f89 100644
--- a/graphics/deko3d/deko_examples/source/SampleFramework/CCmdMemRing.h
+++ b/graphics/deko3d/deko_examples/source/SampleFramework/CCmdMemRing.h
@@ -18,6 +18,8 @@ public:
 
     CCmdMemRing(const CCmdMemRing&) = delete;
 
+    CCmdMemRing& operator=(const CCmdMemRing&) = delete;
+
     ~CCmdMemRing()
     {
         m_mem.destroy();
diff --git a/graphics/deko3d/deko_examples/source/SampleFramework/CDescriptorSet.h b/graphics/deko3d/deko_examples/source/SampleFramework/CDescriptorSet.h
index e807beb..00cd36f 100644
--- a/graphics/deko3d/deko_examples/source/SampleFramework/CDescriptorSet.h
+++ b/graphics/deko3d/deko_examples/source/SampleFramework/CDescriptorSet.h
@@ -20,7 +20,9 @@ public:
 	CDescriptorSet() : m_mem{} { }
 
     CDescriptorSet(const CDescriptorSet&) = delete;
-	
+
+    CDescriptorSet& operator=(const CDescriptorSet&) = delete;
+
     ~CDescriptorSet()
 	{
 		m_mem.destroy();
diff --git a/graphics/deko3d/deko_examples/source/SampleFramework/CExternalImage.h b/graphics/deko3d/deko_examples/source/SampleFramework/CExternalImage.h
index 5ca2022..6bbde41 100644
--- a/graphics/deko3d/deko_examples/source/SampleFramework/CExternalImage.h
+++ b/graphics/deko3d/deko_examples/source/SampleFramework/CExternalImage.h
@@ -15,7 +15,9 @@ public:
     CExternalImage() : m_image{}, m_descriptor{}, m_mem{} { }
 
     CExternalImage(const CExternalImage&) = delete;
-    
+
+    CExternalImage& operator=(const CExternalImage&) = delete;
+
     ~CExternalImage()
     {
         m_mem.destroy();
diff --git a/graphics/deko3d/deko_examples/source/SampleFramework/CMemPool.h b/graphics/deko3d/deko_examples/source/SampleFramework/CMemPool.h
index e35087f..20907a3 100644
--- a/graphics/deko3d/deko_examples/source/SampleFramework/CMemPool.h
+++ b/graphics/deko3d/deko_examples/source/SampleFramework/CMemPool.h
@@ -22,6 +22,8 @@ class CMemPool
 
         Block(const Block&) = delete;
 
+        Block& operator=(const Block&) = delete;
+
         constexpr void* cpuOffset(uint32_t offset) const
         {
             return m_cpuAddr ? ((u8*)m_cpuAddr + offset) : nullptr;
@@ -45,7 +47,9 @@ class CMemPool
         uint32_t m_end;
 
         Slice(const Slice&) = delete;
-        
+
+        Slice& operator=(const Slice&) = delete;
+
         constexpr uint32_t getSize() const { return m_end - m_start; }
         constexpr bool canCoalesce(Slice const& rhs) const { return m_pool == rhs.m_pool && m_block == rhs.m_block && m_end == rhs.m_start; }
 
@@ -119,6 +123,8 @@ public:
     Handle allocate(uint32_t size, uint32_t alignment = DK_CMDMEM_ALIGNMENT);
 
     CMemPool(const CMemPool&) = delete;
+
+    CMemPool& operator=(const CMemPool&) = delete;
 };
 
 constexpr bool operator<(uint32_t lhs, CMemPool::Slice const& rhs)
diff --git a/graphics/deko3d/deko_examples/source/SampleFramework/CShader.h b/graphics/deko3d/deko_examples/source/SampleFramework/CShader.h
index 1609987..ae9215a 100644
--- a/graphics/deko3d/deko_examples/source/SampleFramework/CShader.h
+++ b/graphics/deko3d/deko_examples/source/SampleFramework/CShader.h
@@ -14,7 +14,9 @@ public:
     CShader() : m_shader{}, m_codemem{} { }
 
     CShader(const CShader&) = delete;
-    
+
+    CShader& operator=(const CShader&) = delete;
+
     ~CShader()
     {
         m_codemem.destroy();