diff --git a/rtl/axi/taxi_axi_ram.sv b/rtl/axi/taxi_axi_ram.sv
index afee68c..2b212fd 100644
--- a/rtl/axi/taxi_axi_ram.sv
+++ b/rtl/axi/taxi_axi_ram.sv
@@ -98,7 +98,7 @@ logic s_axi_rlast_pipe_reg = 1'b0;
 logic s_axi_rvalid_pipe_reg = 1'b0;
 
 // (* RAM_STYLE="BLOCK" *)
-logic [DATA_W-1:0] mem[(2**VALID_ADDR_W)-1:0];
+logic [DATA_W-1:0] mem[2**VALID_ADDR_W];
 
 wire [VALID_ADDR_W-1:0] read_addr_valid = VALID_ADDR_W'(read_addr_reg >> (ADDR_W - VALID_ADDR_W));
 wire [VALID_ADDR_W-1:0] write_addr_valid = VALID_ADDR_W'(write_addr_reg >> (ADDR_W - VALID_ADDR_W));
diff --git a/rtl/axi/taxi_axil_dp_ram.sv b/rtl/axi/taxi_axil_dp_ram.sv
index 576e753..f838f34 100644
--- a/rtl/axi/taxi_axil_dp_ram.sv
+++ b/rtl/axi/taxi_axil_dp_ram.sv
@@ -94,9 +94,9 @@ logic s_axil_b_rvalid_reg = 1'b0, s_axil_b_rvalid_next;
 logic [DATA_W-1:0] s_axil_b_rdata_pipe_reg = '0;
 logic s_axil_b_rvalid_pipe_reg = 1'b0;
 
-// (* RAM_STYLE="BLOCK" *)
 // verilator lint_off MULTIDRIVEN
-logic [DATA_W-1:0] mem[(2**VALID_ADDR_W)-1:0];
+// (* RAM_STYLE="BLOCK" *)
+logic [DATA_W-1:0] mem[2**VALID_ADDR_W];
 // verilator lint_on MULTIDRIVEN
 
 wire [VALID_ADDR_W-1:0] s_axil_a_awaddr_valid = VALID_ADDR_W'(s_axil_wr_a.awaddr >> (ADDR_W - VALID_ADDR_W));
diff --git a/rtl/axi/taxi_axil_ram.sv b/rtl/axi/taxi_axil_ram.sv
index 41d2c31..106a2a3 100644
--- a/rtl/axi/taxi_axil_ram.sv
+++ b/rtl/axi/taxi_axil_ram.sv
@@ -67,7 +67,7 @@ logic [DATA_W-1:0] s_axil_rdata_pipe_reg = '0;
 logic s_axil_rvalid_pipe_reg = 1'b0;
 
 // (* RAM_STYLE="BLOCK" *)
-logic [DATA_W-1:0] mem[(2**VALID_ADDR_W)-1:0];
+logic [DATA_W-1:0] mem[2**VALID_ADDR_W];
 
 wire [VALID_ADDR_W-1:0] s_axil_awaddr_valid = VALID_ADDR_W'(s_axil_wr.awaddr >> (ADDR_W - VALID_ADDR_W));
 wire [VALID_ADDR_W-1:0] s_axil_araddr_valid = VALID_ADDR_W'(s_axil_rd.araddr >> (ADDR_W - VALID_ADDR_W));