diff --git a/rtl/soc_top.v b/rtl/soc_top.v
index cefec8d..79a54ac 100644
--- a/rtl/soc_top.v
+++ b/rtl/soc_top.v
@@ -562,7 +562,7 @@ wire [4 :0] fft_bid    ;
 wire [1 :0] fft_bresp  ;
 wire        fft_bvalid ;
 wire        fft_bready ;
-wire        fft_finish ;
+wire        fft_finish = 1'b0;
 
 //slave 7
 wire [4 :0] axiOut_7_arid   ;
@@ -1423,50 +1423,20 @@ axi_dvi u_axi_dvi (
     .video_blue ( video_blue )
 );
 
-fft_controller u_fft_controller(
-    .aclk       	(sys_clk        ),
-    .aresetn     	(sys_resetn      ),
-    .s_awid     	(fft_awid      ),
-    .s_awaddr   	(fft_awaddr    ),
-    .s_awlen    	(fft_awlen     ),
-    .s_awsize   	(fft_awsize    ),
-    .s_awburst  	(fft_awburst   ),
-    .s_awlock   	(fft_awlock    ),
-    .s_awcache  	(fft_awcache   ),
-    .s_awprot   	(fft_awprot    ),
-    .s_awvalid  	(fft_awvalid   ),
-    .s_awready  	(fft_awready   ),
-    .s_wid      	(fft_wid       ),
-    .s_wdata    	(fft_wdata     ),
-    .s_wstrb    	(fft_wstrb     ),
-    .s_wlast    	(fft_wlast     ),
-    .s_wvalid   	(fft_wvalid    ),
-    .s_wready   	(fft_wready    ),
-    .s_bid      	(fft_bid       ),
-    .s_bresp    	(fft_bresp     ),
-    .s_bvalid   	(fft_bvalid    ),
-    .s_bready   	(fft_bready    ),
-    .s_arid     	(fft_arid      ),
-    .s_araddr   	(fft_araddr    ),
-    .s_arlen    	(fft_arlen     ),
-    .s_arsize   	(fft_arsize    ),
-    .s_arburst  	(fft_arburst   ),
-    .s_arlock   	(fft_arlock    ),
-    .s_arcache  	(fft_arcache   ),
-    .s_arprot   	(fft_arprot    ),
-    .s_arvalid  	(fft_arvalid   ),
-    .s_arready  	(fft_arready   ),
-    .s_rid      	(fft_rid       ),
-    .s_rdata    	(fft_rdata     ),
-    .s_rresp    	(fft_rresp     ),
-    .s_rlast    	(fft_rlast     ),
-    .s_rvalid   	(fft_rvalid    ),
-    .s_rready   	(fft_rready    ),
-    .fft_finish 	(fft_finish  )
-);
+// slave 6 (FFT) removed — tie off
+assign fft_bid    = 5'b0;
+assign fft_bresp  = 2'b0;
+assign fft_bvalid = 1'b0;
+assign fft_rid    = 5'b0;
+assign fft_rdata  = 32'b0;
+assign fft_rresp  = 2'b0;
+assign fft_rlast  = 1'b0;
+assign fft_rvalid = 1'b0;
+assign fft_arready = 1'b1;
+assign fft_awready = 1'b1;
+assign fft_wready  = 1'b1;
 
-
-//slave 7 - matmul accelerator
+//slave 7 - matmul accelerator
 matmul_axi_slave u_matmul_axi_slave (
     .clk            (sys_clk),
     .resetn         (sys_resetn),