diff --git a/src/util/opengl_texture.cpp b/src/util/opengl_texture.cpp
index 285466b16..45e837352 100644
--- a/src/util/opengl_texture.cpp
+++ b/src/util/opengl_texture.cpp
@@ -855,10 +855,8 @@ std::unique_ptr<GPUTextureBuffer> OpenGLDevice::CreateTextureBuffer(GPUTextureBu
 }
 
 OpenGLDownloadTexture::OpenGLDownloadTexture(u32 width, u32 height, GPUTexture::Format format, bool imported,
-                                             GLuint buffer_id, u8* cpu_buffer, u32 buffer_size, const u8* map_ptr,
-                                             u32 map_pitch)
-  : GPUDownloadTexture(width, height, format, imported), m_buffer_id(buffer_id), m_buffer_size(buffer_size),
-    m_cpu_buffer(cpu_buffer)
+                                             GLuint buffer_id, u8* cpu_buffer, const u8* map_ptr, u32 map_pitch)
+  : GPUDownloadTexture(width, height, format, imported), m_buffer_id(buffer_id), m_cpu_buffer(cpu_buffer)
 {
   m_map_pointer = map_ptr;
   m_current_pitch = map_pitch;
@@ -922,8 +920,8 @@ std::unique_ptr<OpenGLDownloadTexture> OpenGLDownloadTexture::Create(u32 width,
       return {};
     }
 
-    return std::unique_ptr<OpenGLDownloadTexture>(new OpenGLDownloadTexture(
-      width, height, format, false, buffer_id, nullptr, buffer_size, buffer_map, buffer_pitch));
+    return std::unique_ptr<OpenGLDownloadTexture>(
+      new OpenGLDownloadTexture(width, height, format, false, buffer_id, nullptr, buffer_map, buffer_pitch));
   }
 
   // Fallback to glReadPixels() + CPU buffer.
@@ -937,7 +935,7 @@ std::unique_ptr<OpenGLDownloadTexture> OpenGLDownloadTexture::Create(u32 width,
   }
 
   return std::unique_ptr<OpenGLDownloadTexture>(
-    new OpenGLDownloadTexture(width, height, format, imported, 0, cpu_buffer, buffer_size, cpu_buffer, buffer_pitch));
+    new OpenGLDownloadTexture(width, height, format, imported, 0, cpu_buffer, cpu_buffer, buffer_pitch));
 }
 
 void OpenGLDownloadTexture::CopyFromTexture(u32 dst_x, u32 dst_y, GPUTexture* src, u32 src_x, u32 src_y, u32 width,
diff --git a/src/util/opengl_texture.h b/src/util/opengl_texture.h
index 7b213b89d..bbda8a17f 100644
--- a/src/util/opengl_texture.h
+++ b/src/util/opengl_texture.h
@@ -133,10 +133,9 @@ public:
 
 private:
   OpenGLDownloadTexture(u32 width, u32 height, GPUTexture::Format format, bool imported, GLuint buffer_id,
-                        u8* cpu_buffer, u32 buffer_size, const u8* map_ptr, u32 map_pitch);
+                        u8* cpu_buffer, const u8* map_ptr, u32 map_pitch);
 
   GLuint m_buffer_id = 0;
-  u32 m_buffer_size = 0;
 
   GLsync m_sync = {};
 
diff --git a/src/util/vulkan_texture.cpp b/src/util/vulkan_texture.cpp
index 61ae293ae..87316a11b 100644
--- a/src/util/vulkan_texture.cpp
+++ b/src/util/vulkan_texture.cpp
@@ -986,9 +986,9 @@ std::unique_ptr<GPUTextureBuffer> VulkanDevice::CreateTextureBuffer(GPUTextureBu
 
 VulkanDownloadTexture::VulkanDownloadTexture(u32 width, u32 height, GPUTexture::Format format, VmaAllocation allocation,
                                              VkDeviceMemory memory, VkBuffer buffer, VkDeviceSize memory_offset,
-                                             VkDeviceSize buffer_size, const u8* map_ptr, u32 map_pitch)
+                                             const u8* map_ptr, u32 map_pitch)
   : GPUDownloadTexture(width, height, format, (memory != VK_NULL_HANDLE)), m_allocation(allocation), m_memory(memory),
-    m_buffer(buffer), m_memory_offset(memory_offset), m_buffer_size(buffer_size)
+    m_buffer(buffer), m_memory_offset(memory_offset)
 {
   m_map_pointer = map_ptr;
   m_current_pitch = map_pitch;
@@ -1068,8 +1068,8 @@ std::unique_ptr<VulkanDownloadTexture> VulkanDownloadTexture::Create(u32 width,
     map_ptr = static_cast<u8*>(memory);
   }
 
-  return std::unique_ptr<VulkanDownloadTexture>(new VulkanDownloadTexture(
-    width, height, format, allocation, dev_memory, buffer, memory_offset, buffer_size, map_ptr, map_pitch));
+  return std::unique_ptr<VulkanDownloadTexture>(new VulkanDownloadTexture(width, height, format, allocation, dev_memory,
+                                                                          buffer, memory_offset, map_ptr, map_pitch));
 }
 
 void VulkanDownloadTexture::CopyFromTexture(u32 dst_x, u32 dst_y, GPUTexture* src, u32 src_x, u32 src_y, u32 width,
diff --git a/src/util/vulkan_texture.h b/src/util/vulkan_texture.h
index f1c83ccec..1b612fd0e 100644
--- a/src/util/vulkan_texture.h
+++ b/src/util/vulkan_texture.h
@@ -182,7 +182,7 @@ public:
 
 private:
   VulkanDownloadTexture(u32 width, u32 height, GPUTexture::Format format, VmaAllocation allocation,
-                        VkDeviceMemory memory, VkBuffer buffer, VkDeviceSize memory_offset, VkDeviceSize buffer_size,
+                        VkDeviceMemory memory, VkBuffer buffer, VkDeviceSize memory_offset,
                         const u8* map_ptr, u32 map_pitch);
 
   VmaAllocation m_allocation = VK_NULL_HANDLE;
@@ -191,7 +191,6 @@ private:
 
   u64 m_copy_fence_counter = 0;
   VkDeviceSize m_memory_offset = 0;
-  VkDeviceSize m_buffer_size = 0;
 
   bool m_needs_cache_invalidate = false;
 };