diff --git a/src/layer/vulkan/convolution1d_vulkan.cpp b/src/layer/vulkan/convolution1d_vulkan.cpp
index f9d9135ceb90..53dff49262b0 100644
--- a/src/layer/vulkan/convolution1d_vulkan.cpp
+++ b/src/layer/vulkan/convolution1d_vulkan.cpp
@@ -98,7 +98,7 @@ int Convolution1D_vulkan::create_pipeline(const Option& _opt)
     }
 
     {
-        std::vector<vk_specialization_type> specializations(7 + 10);
+        std::vector<vk_specialization_type> specializations(7 + 4);
         specializations[0].i = kernel_w;
         specializations[1].i = dilation_w;
         specializations[2].i = stride_w;
@@ -110,12 +110,6 @@ int Convolution1D_vulkan::create_pipeline(const Option& _opt)
         specializations[7 + 1].i = 0;
         specializations[7 + 2].i = 0;
         specializations[7 + 3].i = 0;
-        specializations[7 + 4].i = 0;
-        specializations[7 + 5].i = 0;
-        specializations[7 + 6].i = 0;
-        specializations[7 + 7].i = 0;
-        specializations[7 + 8].i = 0;
-        specializations[7 + 9].i = 0;
 
         int shader_type_index = -1;
         if (elempack == 1 && out_elempack == 1) shader_type_index = LayerShaderType::convolution1d;
@@ -189,8 +183,6 @@ int Convolution1D_vulkan::upload_model(VkTransfer& cmd, const Option& opt)
 int Convolution1D_vulkan::forward(const VkMat& bottom_blob, VkMat& top_blob, VkCompute& cmd, const Option& opt) const
 {
     int w = bottom_blob.w;
-    int h = bottom_blob.h;
-    int channels = bottom_blob.c;
     size_t elemsize = bottom_blob.elemsize;
     int elempack = bottom_blob.elempack;
 
@@ -281,22 +273,16 @@ int Convolution1D_vulkan::forward(const VkMat& bottom_blob, VkMat& top_blob, VkC
     bindings[2] = weight_data_gpu;
     bindings[3] = bias_data_gpu;
 
-    std::vector<vk_constant_type> constants(10);
-    constants[0].i = bottom_blob_bordered.dims;
-    constants[1].i = bottom_blob_bordered.w;
-    constants[2].i = bottom_blob_bordered.h;
-    constants[3].i = bottom_blob_bordered.c;
-    constants[4].i = bottom_blob_bordered.cstep;
-    constants[5].i = top_blob.dims;
-    constants[6].i = top_blob.w;
-    constants[7].i = top_blob.h;
-    constants[8].i = top_blob.c;
-    constants[9].i = top_blob.cstep;
+    std::vector<vk_constant_type> constants(4);
+    constants[0].i = bottom_blob_bordered.w;
+    constants[1].i = bottom_blob_bordered.h;
+    constants[2].i = top_blob.w;
+    constants[3].i = top_blob.h;
 
     VkMat dispatcher;
     dispatcher.w = (top_blob.w + 1) / 2;
     dispatcher.h = (top_blob.h + 1) / 2;
-    dispatcher.c = (top_blob.c + 1) / 2;
+    dispatcher.c = 1;
 
     cmd.record_pipeline(pipeline_convolution1d, bindings, constants, dispatcher);
 
@@ -306,8 +292,6 @@ int Convolution1D_vulkan::forward(const VkMat& bottom_blob, VkMat& top_blob, VkC
 int Convolution1D_vulkan::forward(const VkImageMat& bottom_blob, VkImageMat& top_blob, VkCompute& cmd, const Option& opt) const
 {
     int w = bottom_blob.w;
-    int h = bottom_blob.h;
-    int channels = bottom_blob.c;
     size_t elemsize = bottom_blob.elemsize;
     int elempack = bottom_blob.elempack;
 
@@ -398,26 +382,20 @@ int Convolution1D_vulkan::forward(const VkImageMat& bottom_blob, VkImageMat& top
     bindings[2] = weight_data_gpu_image;
     bindings[3] = bias_data_gpu_image;
 
-    std::vector<vk_constant_type> constants(10);
-    constants[0].i = bottom_blob_bordered.dims;
-    constants[1].i = bottom_blob_bordered.w;
-    constants[2].i = bottom_blob_bordered.h;
-    constants[3].i = bottom_blob_bordered.c;
-    constants[4].i = 0; //bottom_blob_bordered.cstep;
-    constants[5].i = top_blob.dims;
-    constants[6].i = top_blob.w;
-    constants[7].i = top_blob.h;
-    constants[8].i = top_blob.c;
-    constants[9].i = 0; //top_blob.cstep;
+    std::vector<vk_constant_type> constants(4);
+    constants[0].i = bottom_blob_bordered.w;
+    constants[1].i = bottom_blob_bordered.h;
+    constants[2].i = top_blob.w;
+    constants[3].i = top_blob.h;
 
     VkImageMat dispatcher;
     dispatcher.w = (top_blob.w + 1) / 2;
     dispatcher.h = (top_blob.h + 1) / 2;
-    dispatcher.c = (top_blob.c + 1) / 2;
+    dispatcher.c = 1;
 
     cmd.record_pipeline(pipeline_convolution1d, bindings, constants, dispatcher);
 
     return 0;
 }
 
-} // namespace ncnn
\ No newline at end of file
+} // namespace ncnn
diff --git a/src/layer/vulkan/shader/convolution1d.comp b/src/layer/vulkan/shader/convolution1d.comp
index 3403a50f1939..a23f8b1abedf 100644
--- a/src/layer/vulkan/shader/convolution1d.comp
+++ b/src/layer/vulkan/shader/convolution1d.comp
@@ -33,17 +33,11 @@ layout (constant_id = 5) const float activation_param_0 = 0;
 layout (constant_id = 6) const float activation_param_1 = 0;
 
 #define shape_constant_id_offset 7
-layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
-layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
-layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
-layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
-layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
-
-layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
-layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
-layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
-layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
-layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
+layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
+layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
+
+layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
+layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
 
 #if NCNN_image_shader
 layout (binding = 0) uniform unfp sampler3D bottom_blob;
@@ -59,24 +53,18 @@ layout (binding = 3) readonly buffer bias_blob { sfp bias_data[]; };
 
 layout (push_constant) uniform parameter
 {
-    int dims;
     int w;
     int h;
-    int c;
-    int cstep;
 
-    int outdims;
     int outw;
     int outh;
-    int outc;
-    int outcstep;
 } p;
 
 void main()
 {
     int gx = int(gl_GlobalInvocationID.x) * 2;
     int gy = int(gl_GlobalInvocationID.y) * 2;
-	
+
     if (gx >= psc(outw) || gy >= psc(outh))
         return;
 
@@ -150,7 +138,7 @@ void main()
         w_offset += kernel_w;
     }
     
-#endif	
+#endif
 
     sum0 = activation_afp(sum0, activation_type, activation_param_0, activation_param_1);
     sum1 = activation_afp(sum1, activation_type, activation_param_0, activation_param_1);
@@ -165,7 +153,7 @@ void main()
     image3d_st1(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
     
 #else
-	
+
     const int gi = gy * psc(outw) + gx;
 
     buffer_st1(top_blob_data, gi, sum0);
@@ -174,4 +162,4 @@ void main()
     if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st1(top_blob_data, gi + psc(outw) + 1, sum3);
     
 #endif
-}
\ No newline at end of file
+}
diff --git a/src/layer/vulkan/shader/convolution1d_pack1to4.comp b/src/layer/vulkan/shader/convolution1d_pack1to4.comp
index 98e6fadd3c18..bcdd17782216 100644
--- a/src/layer/vulkan/shader/convolution1d_pack1to4.comp
+++ b/src/layer/vulkan/shader/convolution1d_pack1to4.comp
@@ -33,17 +33,11 @@ layout (constant_id = 5) const float activation_param_0 = 0;
 layout (constant_id = 6) const float activation_param_1 = 0;
 
 #define shape_constant_id_offset 7
-layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
-layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
-layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
-layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
-layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
-
-layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
-layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
-layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
-layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
-layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
+layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
+layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
+
+layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
+layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
 
 #if NCNN_image_shader
 layout (binding = 0) uniform unfp sampler3D bottom_blob;
@@ -59,24 +53,18 @@ layout (binding = 3) readonly buffer bias_blob { sfpvec4 bias_data[]; };
 
 layout (push_constant) uniform parameter
 {
-    int dims;
     int w;
     int h;
-    int c;
-    int cstep;
 
-    int outdims;
     int outw;
     int outh;
-    int outc;
-    int outcstep;
 } p;
 
 void main()
 {
     int gx = int(gl_GlobalInvocationID.x) * 2;
     int gy = int(gl_GlobalInvocationID.y) * 2;
-	
+
     if (gx >= psc(outw) || gy >= psc(outh))
         return;
 
@@ -150,7 +138,7 @@ void main()
         w_offset += kernel_w;
     }
     
-#endif	
+#endif
 
     sum0 = activation_afpvec4(sum0, activation_type, activation_param_0, activation_param_1);
     sum1 = activation_afpvec4(sum1, activation_type, activation_param_0, activation_param_1);
@@ -165,7 +153,7 @@ void main()
     image3d_st4(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
     
 #else
-	
+
     const int gi = gy * psc(outw) + gx;
 
     buffer_st4(top_blob_data, gi, sum0);
@@ -174,4 +162,4 @@ void main()
     if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st4(top_blob_data, gi + psc(outw) + 1, sum3);
     
 #endif
-}
\ No newline at end of file
+}
diff --git a/src/layer/vulkan/shader/convolution1d_pack1to8.comp b/src/layer/vulkan/shader/convolution1d_pack1to8.comp
index c32bc2114e58..d91559ecd1cc 100644
--- a/src/layer/vulkan/shader/convolution1d_pack1to8.comp
+++ b/src/layer/vulkan/shader/convolution1d_pack1to8.comp
@@ -34,17 +34,11 @@ layout (constant_id = 5) const float activation_param_0 = 0;
 layout (constant_id = 6) const float activation_param_1 = 0;
 
 #define shape_constant_id_offset 7
-layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
-layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
-layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
-layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
-layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
-
-layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
-layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
-layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
-layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
-layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
+layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
+layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
+
+layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
+layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
 
 #if NCNN_image_shader
 layout (binding = 0) uniform unfp sampler3D bottom_blob;
@@ -60,24 +54,18 @@ layout (binding = 3) readonly buffer bias_blob { sfpvec8 bias_data[]; };
 
 layout (push_constant) uniform parameter
 {
-    int dims;
     int w;
     int h;
-    int c;
-    int cstep;
 
-    int outdims;
     int outw;
     int outh;
-    int outc;
-    int outcstep;
 } p;
 
 void main()
 {
     int gx = int(gl_GlobalInvocationID.x) * 2;
     int gy = int(gl_GlobalInvocationID.y) * 2;
-	
+
     if (gx >= psc(outw) || gy >= psc(outh))
         return;
 
@@ -159,7 +147,7 @@ void main()
         w_offset += kernel_w;
     }
     
-#endif	
+#endif
 
     sum0 = activation_afpvec8(sum0, activation_type, activation_param_0, activation_param_1);
     sum1 = activation_afpvec8(sum1, activation_type, activation_param_0, activation_param_1);
@@ -174,7 +162,7 @@ void main()
     image3d_st8(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
     
 #else
-	
+
     const int gi = gy * psc(outw) + gx;
 
     buffer_st8(top_blob_data, gi, sum0);
@@ -183,4 +171,4 @@ void main()
     if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st8(top_blob_data, gi + psc(outw) + 1, sum3);
     
 #endif
-}
\ No newline at end of file
+}
diff --git a/src/layer/vulkan/shader/convolution1d_pack4.comp b/src/layer/vulkan/shader/convolution1d_pack4.comp
index f1e125867852..7ce8ddb013d5 100644
--- a/src/layer/vulkan/shader/convolution1d_pack4.comp
+++ b/src/layer/vulkan/shader/convolution1d_pack4.comp
@@ -33,17 +33,11 @@ layout (constant_id = 5) const float activation_param_0 = 0;
 layout (constant_id = 6) const float activation_param_1 = 0;
 
 #define shape_constant_id_offset 7
-layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
-layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
-layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
-layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
-layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
-
-layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
-layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
-layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
-layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
-layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
+layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
+layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
+
+layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
+layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
 
 #if NCNN_image_shader
 layout (binding = 0) uniform unfp sampler3D bottom_blob;
@@ -64,24 +58,18 @@ layout (binding = 3) readonly buffer bias_blob { sfpvec4 bias_data[]; };
 
 layout (push_constant) uniform parameter
 {
-    int dims;
     int w;
     int h;
-    int c;
-    int cstep;
 
-    int outdims;
     int outw;
     int outh;
-    int outc;
-    int outcstep;
 } p;
 
 void main()
 {
     int gx = int(gl_GlobalInvocationID.x) * 2;
     int gy = int(gl_GlobalInvocationID.y) * 2;
-	
+
     if (gx >= psc(outw) || gy >= psc(outh))
         return;
 
@@ -181,7 +169,7 @@ void main()
         w_offset += kernel_w;
     }
     
-#endif	
+#endif
 
     sum0 = activation_afpvec4(sum0, activation_type, activation_param_0, activation_param_1);
     sum1 = activation_afpvec4(sum1, activation_type, activation_param_0, activation_param_1);
@@ -196,7 +184,7 @@ void main()
     image3d_st4(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
     
 #else
-	
+
     const int gi = gy * psc(outw) + gx;
 
     buffer_st4(top_blob_data, gi, sum0);
@@ -205,4 +193,4 @@ void main()
     if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st4(top_blob_data, gi + psc(outw) + 1, sum3);
     
 #endif
-}
\ No newline at end of file
+}
diff --git a/src/layer/vulkan/shader/convolution1d_pack4to1.comp b/src/layer/vulkan/shader/convolution1d_pack4to1.comp
index 1f5c87e1835b..b262fd689ccf 100644
--- a/src/layer/vulkan/shader/convolution1d_pack4to1.comp
+++ b/src/layer/vulkan/shader/convolution1d_pack4to1.comp
@@ -33,17 +33,11 @@ layout (constant_id = 5) const float activation_param_0 = 0;
 layout (constant_id = 6) const float activation_param_1 = 0;
 
 #define shape_constant_id_offset 7
-layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
-layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
-layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
-layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
-layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
-
-layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
-layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
-layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
-layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
-layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
+layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
+layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
+
+layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
+layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
 
 #if NCNN_image_shader
 layout (binding = 0) uniform unfp sampler3D bottom_blob;
@@ -59,24 +53,18 @@ layout (binding = 3) readonly buffer bias_blob { sfp bias_data[]; };
 
 layout (push_constant) uniform parameter
 {
-    int dims;
     int w;
     int h;
-    int c;
-    int cstep;
 
-    int outdims;
     int outw;
     int outh;
-    int outc;
-    int outcstep;
 } p;
 
 void main()
 {
     int gx = int(gl_GlobalInvocationID.x) * 2;
     int gy = int(gl_GlobalInvocationID.y) * 2;
-	
+
     if (gx >= psc(outw) || gy >= psc(outh))
         return;
 
@@ -150,7 +138,7 @@ void main()
         w_offset += kernel_w;
     }
     
-#endif	
+#endif
 
     sum0 = activation_afp(sum0, activation_type, activation_param_0, activation_param_1);
     sum1 = activation_afp(sum1, activation_type, activation_param_0, activation_param_1);
@@ -165,7 +153,7 @@ void main()
     image3d_st1(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
     
 #else
-	
+
     const int gi = gy * psc(outw) + gx;
 
     buffer_st1(top_blob_data, gi, sum0);
@@ -174,4 +162,4 @@ void main()
     if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st1(top_blob_data, gi + psc(outw) + 1, sum3);
     
 #endif
-}
\ No newline at end of file
+}
diff --git a/src/layer/vulkan/shader/convolution1d_pack4to8.comp b/src/layer/vulkan/shader/convolution1d_pack4to8.comp
index 1133b097ac09..111972991d4c 100644
--- a/src/layer/vulkan/shader/convolution1d_pack4to8.comp
+++ b/src/layer/vulkan/shader/convolution1d_pack4to8.comp
@@ -34,17 +34,11 @@ layout (constant_id = 5) const float activation_param_0 = 0;
 layout (constant_id = 6) const float activation_param_1 = 0;
 
 #define shape_constant_id_offset 7
-layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
-layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
-layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
-layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
-layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
-
-layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
-layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
-layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
-layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
-layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
+layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
+layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
+
+layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
+layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
 
 #if NCNN_image_shader
 layout (binding = 0) uniform unfp sampler3D bottom_blob;
@@ -60,24 +54,18 @@ layout (binding = 3) readonly buffer bias_blob { sfpvec8 bias_data[]; };
 
 layout (push_constant) uniform parameter
 {
-    int dims;
     int w;
     int h;
-    int c;
-    int cstep;
 
-    int outdims;
     int outw;
     int outh;
-    int outc;
-    int outcstep;
 } p;
 
 void main()
 {
     int gx = int(gl_GlobalInvocationID.x) * 2;
     int gy = int(gl_GlobalInvocationID.y) * 2;
-	
+
     if (gx >= psc(outw) || gy >= psc(outh))
         return;
 
@@ -243,7 +231,7 @@ void main()
         w_offset += kernel_w;
     }
     
-#endif	
+#endif
 
     sum0 = activation_afpvec8(sum0, activation_type, activation_param_0, activation_param_1);
     sum1 = activation_afpvec8(sum1, activation_type, activation_param_0, activation_param_1);
@@ -258,7 +246,7 @@ void main()
     image3d_st8(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
     
 #else
-	
+
     const int gi = gy * psc(outw) + gx;
 
     buffer_st8(top_blob_data, gi, sum0);
@@ -267,4 +255,4 @@ void main()
     if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st8(top_blob_data, gi + psc(outw) + 1, sum3);
     
 #endif
-}
\ No newline at end of file
+}
diff --git a/src/layer/vulkan/shader/convolution1d_pack8.comp b/src/layer/vulkan/shader/convolution1d_pack8.comp
index fff72ade8290..38271697a485 100644
--- a/src/layer/vulkan/shader/convolution1d_pack8.comp
+++ b/src/layer/vulkan/shader/convolution1d_pack8.comp
@@ -34,17 +34,11 @@ layout (constant_id = 5) const float activation_param_0 = 0;
 layout (constant_id = 6) const float activation_param_1 = 0;
 
 #define shape_constant_id_offset 7
-layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
-layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
-layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
-layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
-layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
-
-layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
-layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
-layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
-layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
-layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
+layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
+layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
+
+layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
+layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
 
 #if NCNN_image_shader
 layout (binding = 0) uniform unfp sampler3D bottom_blob;
@@ -60,24 +54,18 @@ layout (binding = 3) readonly buffer bias_blob { sfpvec8 bias_data[]; };
 
 layout (push_constant) uniform parameter
 {
-    int dims;
     int w;
     int h;
-    int c;
-    int cstep;
 
-    int outdims;
     int outw;
     int outh;
-    int outc;
-    int outcstep;
 } p;
 
 void main()
 {
     int gx = int(gl_GlobalInvocationID.x) * 2;
     int gy = int(gl_GlobalInvocationID.y) * 2;
-	
+
     if (gx >= psc(outw) || gy >= psc(outh))
         return;
 
@@ -243,7 +231,7 @@ void main()
         w_offset += kernel_w;
     }
     
-#endif	
+#endif
 
     sum0 = activation_afpvec8(sum0, activation_type, activation_param_0, activation_param_1);
     sum1 = activation_afpvec8(sum1, activation_type, activation_param_0, activation_param_1);
@@ -258,7 +246,7 @@ void main()
     image3d_st8(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
     
 #else
-	
+
     const int gi = gy * psc(outw) + gx;
 
     buffer_st8(top_blob_data, gi, sum0);
@@ -267,4 +255,4 @@ void main()
     if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st8(top_blob_data, gi + psc(outw) + 1, sum3);
     
 #endif
-}
\ No newline at end of file
+}
diff --git a/src/layer/vulkan/shader/convolution1d_pack8to1.comp b/src/layer/vulkan/shader/convolution1d_pack8to1.comp
index 9d08d3b11af7..213e01a3c45e 100644
--- a/src/layer/vulkan/shader/convolution1d_pack8to1.comp
+++ b/src/layer/vulkan/shader/convolution1d_pack8to1.comp
@@ -34,17 +34,11 @@ layout (constant_id = 5) const float activation_param_0 = 0;
 layout (constant_id = 6) const float activation_param_1 = 0;
 
 #define shape_constant_id_offset 7
-layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
-layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
-layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
-layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
-layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
-
-layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
-layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
-layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
-layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
-layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
+layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
+layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
+
+layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
+layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
 
 #if NCNN_image_shader
 layout (binding = 0) uniform unfp sampler3D bottom_blob;
@@ -60,24 +54,18 @@ layout (binding = 3) readonly buffer bias_blob { sfp bias_data[]; };
 
 layout (push_constant) uniform parameter
 {
-    int dims;
     int w;
     int h;
-    int c;
-    int cstep;
 
-    int outdims;
     int outw;
     int outh;
-    int outc;
-    int outcstep;
 } p;
 
 void main()
 {
     int gx = int(gl_GlobalInvocationID.x) * 2;
     int gy = int(gl_GlobalInvocationID.y) * 2;
-	
+
     if (gx >= psc(outw) || gy >= psc(outh))
         return;
 
@@ -151,7 +139,7 @@ void main()
         w_offset += kernel_w;
     }
     
-#endif	
+#endif
 
     sum0 = activation_afp(sum0, activation_type, activation_param_0, activation_param_1);
     sum1 = activation_afp(sum1, activation_type, activation_param_0, activation_param_1);
@@ -166,7 +154,7 @@ void main()
     image3d_st1(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
     
 #else
-	
+
     const int gi = gy * psc(outw) + gx;
 
     buffer_st1(top_blob_data, gi, sum0);
@@ -175,4 +163,4 @@ void main()
     if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st1(top_blob_data, gi + psc(outw) + 1, sum3);
     
 #endif
-}
\ No newline at end of file
+}
diff --git a/src/layer/vulkan/shader/convolution1d_pack8to4.comp b/src/layer/vulkan/shader/convolution1d_pack8to4.comp
index 86ca696d5840..d574d1c8ebfd 100644
--- a/src/layer/vulkan/shader/convolution1d_pack8to4.comp
+++ b/src/layer/vulkan/shader/convolution1d_pack8to4.comp
@@ -34,17 +34,11 @@ layout (constant_id = 5) const float activation_param_0 = 0;
 layout (constant_id = 6) const float activation_param_1 = 0;
 
 #define shape_constant_id_offset 7
-layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
-layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
-layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
-layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
-layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
-
-layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
-layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
-layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
-layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
-layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
+layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
+layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
+
+layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
+layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
 
 #if NCNN_image_shader
 layout (binding = 0) uniform unfp sampler3D bottom_blob;
@@ -60,24 +54,18 @@ layout (binding = 3) readonly buffer bias_blob { sfpvec4 bias_data[]; };
 
 layout (push_constant) uniform parameter
 {
-    int dims;
     int w;
     int h;
-    int c;
-    int cstep;
 
-    int outdims;
     int outw;
     int outh;
-    int outc;
-    int outcstep;
 } p;
 
 void main()
 {
     int gx = int(gl_GlobalInvocationID.x) * 2;
     int gy = int(gl_GlobalInvocationID.y) * 2;
-	
+
     if (gx >= psc(outw) || gy >= psc(outh))
         return;
 
@@ -193,7 +181,7 @@ void main()
         w_offset += kernel_w;
     }
     
-#endif	
+#endif
 
     sum0 = activation_afpvec4(sum0, activation_type, activation_param_0, activation_param_1);
     sum1 = activation_afpvec4(sum1, activation_type, activation_param_0, activation_param_1);
@@ -208,7 +196,7 @@ void main()
     image3d_st4(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
     
 #else
-	
+
     const int gi = gy * psc(outw) + gx;
 
     buffer_st4(top_blob_data, gi, sum0);
@@ -217,4 +205,4 @@ void main()
     if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st4(top_blob_data, gi + psc(outw) + 1, sum3);
     
 #endif
-}
\ No newline at end of file
+}