diff --git a/src/graphics/vulkan/command_processor.cpp b/src/graphics/vulkan/command_processor.cpp
index c59ac1f..0a27ead 100644
--- a/src/graphics/vulkan/command_processor.cpp
+++ b/src/graphics/vulkan/command_processor.cpp
@@ -142,7 +142,7 @@ REXCVAR_DEFINE_BOOL(vulkan_reuse_transient_texture_descriptors, true, "GPU/Vulka
                     "unchanged instead of allocating and writing new ones for every draw")
     .lifecycle(rex::cvar::Lifecycle::kHotReload);
 
-REXCVAR_DEFINE_BOOL(vulkan_push_constants_descriptors, true, "GPU/Vulkan",
+REXCVAR_DEFINE_BOOL(vulkan_push_constants_descriptors, false, "GPU/Vulkan",
                     "Use VK_KHR_push_descriptor for the guest constant buffer descriptor set "
                     "instead of allocating and writing a transient descriptor set whenever "
                     "constants change (requires driver support; applied at startup)");
diff --git a/src/graphics/vulkan/render_target_cache.cpp b/src/graphics/vulkan/render_target_cache.cpp
index ff3744f..ddafd6d 100644
--- a/src/graphics/vulkan/render_target_cache.cpp
+++ b/src/graphics/vulkan/render_target_cache.cpp
@@ -50,7 +50,7 @@ REXCVAR_DEFINE_BOOL(vulkan_direct_resolve_fast32, true, "GPU/Vulkan",
                     "direct_host_resolve)")
     .lifecycle(rex::cvar::Lifecycle::kHotReload);
 
-REXCVAR_DEFINE_BOOL(vulkan_deferred_resolve_clears, true, "GPU/Vulkan",
+REXCVAR_DEFINE_BOOL(vulkan_deferred_resolve_clears, false, "GPU/Vulkan",
                     "Defer resolve clears of host render targets and replay them inside the next "
                     "render pass binding the render target, instead of a dedicated render pass "
                     "with an attachment clear per resolve")
diff --git a/src/graphics/vulkan/texture_cache.cpp b/src/graphics/vulkan/texture_cache.cpp
index f066477..a540188 100644
--- a/src/graphics/vulkan/texture_cache.cpp
+++ b/src/graphics/vulkan/texture_cache.cpp
@@ -47,13 +47,13 @@ REXCVAR_DEFINE_INT32(vulkan_debug_log_3d_as_2d_remaining, 0, "GPU/Vulkan",
     .lifecycle(rex::cvar::Lifecycle::kHotReload)
     .debug_only();
 
-REXCVAR_DEFINE_BOOL(vulkan_texel_buffer_texture_loads, true, "GPU/Vulkan",
+REXCVAR_DEFINE_BOOL(vulkan_texel_buffer_texture_loads, false, "GPU/Vulkan",
                     "Read guest texture data through uniform texel buffers instead of raw "
                     "storage buffer loads where a texel-buffer variant of the load shader is "
                     "available - much faster for the tiled access pattern on some hosts")
     .lifecycle(rex::cvar::Lifecycle::kHotReload);
 
-REXCVAR_DEFINE_BOOL(vulkan_storage_image_texture_loads, true, "GPU/Vulkan",
+REXCVAR_DEFINE_BOOL(vulkan_storage_image_texture_loads, false, "GPU/Vulkan",
                     "Write guest texture data directly from the load shader through a storage "
                     "image where a variant of the load shader is available, instead of going "
                     "through an intermediate buffer and a buffer-to-image copy - the copy is "