diff --git a/backends/vulkan/runtime/graph/ops/glsl/reduce_per_row_buffer.glsl b/backends/vulkan/runtime/graph/ops/glsl/reduce_per_row_buffer.glsl
index 5d377cf1f1a..af5f5f661e7 100644
--- a/backends/vulkan/runtime/graph/ops/glsl/reduce_per_row_buffer.glsl
+++ b/backends/vulkan/runtime/graph/ops/glsl/reduce_per_row_buffer.glsl
@@ -57,8 +57,6 @@ $else:
 $if OUTPUT_IS_INDICES:
   #define OUTPUT_IS_INDICES
 
-#extension GL_EXT_debug_printf : require
-
 void main() {
   const uint out_bufi = gl_GlobalInvocationID.y;
 
diff --git a/backends/vulkan/runtime/graph/ops/glsl/sdpa_kv_cache_update.glsl b/backends/vulkan/runtime/graph/ops/glsl/sdpa_kv_cache_update.glsl
index b780cdce6fe..5f7e4c2719d 100644
--- a/backends/vulkan/runtime/graph/ops/glsl/sdpa_kv_cache_update.glsl
+++ b/backends/vulkan/runtime/graph/ops/glsl/sdpa_kv_cache_update.glsl
@@ -14,10 +14,6 @@ ${define_required_extensions(DTYPE)}
 
 layout(std430) buffer;
 
-#define DEBUG_MODE
-
-#extension GL_EXT_debug_printf : enable
-
 #include "common.glslh"
 
 ${layout_declare_tensor(B, "w", "t_cache", DTYPE, OUTPUT_STORAGE, is_scalar_array=False)}
diff --git a/backends/vulkan/test/custom_ops/glsl/packed_int32_canvas_buffer.glsl b/backends/vulkan/test/custom_ops/glsl/packed_int32_canvas_buffer.glsl
index c1d90fadf7e..e2d198b129f 100644
--- a/backends/vulkan/test/custom_ops/glsl/packed_int32_canvas_buffer.glsl
+++ b/backends/vulkan/test/custom_ops/glsl/packed_int32_canvas_buffer.glsl
@@ -12,8 +12,6 @@
 
 ${define_active_storage_type("texture3d")}
 
-#extension GL_EXT_debug_printf : enable
-
 layout(std430) buffer;
 
 ${layout_declare_tensor(B, "w", "t_out", "int", "texture3d")}
@@ -33,12 +31,6 @@ void main() {
   // Pack four 8-bit values equal to 1 into a single uint
   int packed = (1 << 0) | (1 << 8) | (1 << 16) | (1 << 24);
 
-  debugPrintfEXT(
-      "t_out[%i, %i] = %i\\n",
-      lpos.x, lpos.y,
-      packed);
-
-
   // Placeholder: just copy input to output
   ivec4 in_texel = ivec4(packed);
   imageStore(t_out, lpos, in_texel);
diff --git a/backends/vulkan/test/custom_ops/glsl/packed_int32_canvas_texture3d.glsl b/backends/vulkan/test/custom_ops/glsl/packed_int32_canvas_texture3d.glsl
index be6717efdaa..80e6fc27909 100644
--- a/backends/vulkan/test/custom_ops/glsl/packed_int32_canvas_texture3d.glsl
+++ b/backends/vulkan/test/custom_ops/glsl/packed_int32_canvas_texture3d.glsl
@@ -12,8 +12,6 @@
 
 ${define_active_storage_type("texture2d")}
 
-#extension GL_EXT_debug_printf : enable
-
 layout(std430) buffer;
 
 ${layout_declare_tensor(B, "w", "t_out", "int", "texture3d")}
@@ -33,12 +31,6 @@ void main() {
   // Pack four 8-bit values equal to 1 into a single uint
   int packed = (1 << 0) | (1 << 8) | (1 << 16) | (1 << 24);
 
-  debugPrintfEXT(
-      "t_out[%i, %i] = %i\\n",
-      lpos.x, lpos.y,
-      packed);
-
-
   // Placeholder: just copy input to output
   ivec4 in_texel = ivec4(packed);
   imageStore(t_out, lpos, in_texel);