diff --git a/lib/SDRAM/ddr_sdr_v1_5/src/ddr_phy_virtex4.vhd b/lib/SDRAM/ddr_sdr_v1_5/src/ddr_phy_virtex4.vhd
index 2920643..11021bc 100644
--- a/lib/SDRAM/ddr_sdr_v1_5/src/ddr_phy_virtex4.vhd
+++ b/lib/SDRAM/ddr_sdr_v1_5/src/ddr_phy_virtex4.vhd
@@ -47,7 +47,6 @@ entity ddr_phy is
 		sdr_data_r		: out unsigned(SDR_DATA_WIDTH-1 downto 0);
 		sdr_data_vld	: out STD_LOGIC;
 		sdr_data_req_w	: out STD_LOGIC;
-		sdr_data_req_r	: out STD_LOGIC;
 		part_clk_p		: out STD_LOGIC;
 		part_clk_n		: out STD_LOGIC;
 		part_dm			: out unsigned(DDR_DM_WIDTH-1 downto 0);
@@ -345,7 +344,6 @@ misc_flags_and_data_out:
 			read_en			<= '0';
 			sdr_data_vld	<= '0';
 			sdr_data_req_w	<= '0';
-			sdr_data_req_r	<= '0';
 		elsif rising_edge(sys_clk0) then
 			sdr_data_r		<= data_reg_r;
 			if p(3) = '1' then
@@ -355,7 +353,6 @@ misc_flags_and_data_out:
 				u_tag_wr		<= u_tag_pipe(0);
 			end if;	
 			sdr_data_req_w	<= phy_ctrl.we;
-			sdr_data_req_r	<= phy_ctrl.re;
 			sdr_data_vld	<= p(3);
 			read_en			<= p(1);
 			if phy_ctrl.re = '1' then
diff --git a/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_frontend64_wb.vhd b/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_frontend64_wb.vhd
index ee98765..936b508 100644
--- a/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_frontend64_wb.vhd
+++ b/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_frontend64_wb.vhd
@@ -220,7 +220,6 @@ begin
 		-- User interface
 		u_data_vld			=> u_data_vld,
 		u_data_req_w		=> u_req_wr,
-		u_data_req_r		=> open,
 		u_tag_in			=> u_tag_in,
 		u_tag_rd			=> u_tag_rd,
 		u_tag_wr			=> u_tag_wr,
diff --git a/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_frontend_wb.vhd b/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_frontend_wb.vhd
index e0d432b..6d293d7 100644
--- a/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_frontend_wb.vhd
+++ b/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_frontend_wb.vhd
@@ -220,7 +220,6 @@ begin
 		-- User interface
 		u_data_vld			=> u_data_vld,
 		u_data_req_w		=> u_req_wr,
-		u_data_req_r		=> open,
 		u_tag_in			=> u_tag_in,
 		u_tag_rd			=> u_tag_rd,
 		u_tag_wr			=> u_tag_wr,
diff --git a/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_top.vhd b/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_top.vhd
index a6935ec..bbca07d 100644
--- a/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_top.vhd
+++ b/lib/SDRAM/ddr_sdr_v1_5/src/sdram_ctrl_top.vhd
@@ -47,7 +47,6 @@ entity sdram_ctrl_top is
 		-- User interface
 		u_data_vld			: out STD_LOGIC;
 		u_data_req_w		: out STD_LOGIC;
-		u_data_req_r		: out STD_LOGIC;
 		u_busy				: out STD_LOGIC;
 		u_tag_in			: in  user_tag_t;
 		u_tag_rd			: out user_tag_t;
@@ -222,7 +221,6 @@ begin
 		phy_ctrl		=> phy_ctrl,
 		part_ctrl		=> part_ctrl,
 		sdr_data_req_w	=> u_data_req_w,
-		sdr_data_req_r	=> u_data_req_r,
 		sdr_data_w		=> u_data_wr,
 		sdr_dm			=> u_dm,
 		sdr_data_r		=> u_data_rd,