diff --git a/src/libpisp/backend/backend.cpp b/src/libpisp/backend/backend.cpp
index 4a74433..dc33b96 100644
--- a/src/libpisp/backend/backend.cpp
+++ b/src/libpisp/backend/backend.cpp
@@ -65,11 +65,6 @@ void BackEnd::SetInputFormat(pisp_image_format_config const &input_format)
 	retile_ = true;
 }
 
-void BackEnd::SetInputBuffer(pisp_be_input_buffer_config const &input_buffer)
-{
-	be_config_.input_buffer = input_buffer;
-}
-
 void BackEnd::SetDecompress(pisp_decompress_config const &decompress)
 {
 	be_config_.decompress = decompress;
diff --git a/src/libpisp/backend/backend.hpp b/src/libpisp/backend/backend.hpp
index 2c4a112..36cb9a9 100644
--- a/src/libpisp/backend/backend.hpp
+++ b/src/libpisp/backend/backend.hpp
@@ -59,7 +59,6 @@ class BackEnd
 	void SetGlobal(pisp_be_global_config const &global);
 	void GetGlobal(pisp_be_global_config &global) const;
 	void SetInputFormat(pisp_image_format_config const &input_format);
-	void SetInputBuffer(pisp_be_input_buffer_config const &input_buffer);
 	void SetDecompress(pisp_decompress_config const &decompress);
 	void SetDpc(pisp_be_dpc_config const &dpc);
 	void SetGeq(pisp_be_geq_config const &geq);
diff --git a/src/libpisp/backend/pisp_be_config.h b/src/libpisp/backend/pisp_be_config.h
index fcecfe2..12c424f 100644
--- a/src/libpisp/backend/pisp_be_config.h
+++ b/src/libpisp/backend/pisp_be_config.h
@@ -397,14 +397,6 @@ typedef struct {
 } pisp_be_hog_buffer_config;
 
 typedef struct {
-	/* I/O configuration: */
-	pisp_be_input_buffer_config input_buffer;
-	pisp_be_tdn_input_buffer_config tdn_input_buffer;
-	pisp_be_stitch_input_buffer_config stitch_input_buffer;
-	pisp_be_tdn_output_buffer_config tdn_output_buffer;
-	pisp_be_stitch_output_buffer_config stitch_output_buffer;
-	pisp_be_output_buffer_config output_buffer[PISP_BACK_END_NUM_OUTPUTS];
-	pisp_be_hog_buffer_config hog_buffer;
 	/* Processing configuration: */
 	pisp_be_global_config global;
 	pisp_image_format_config input_format;