diff --git a/src/pcie/rtl/taxi_pcie_msix_apb.sv b/src/pcie/rtl/taxi_pcie_msix_apb.sv
index 6e81101..0de1ac9 100644
--- a/src/pcie/rtl/taxi_pcie_msix_apb.sv
+++ b/src/pcie/rtl/taxi_pcie_msix_apb.sv
@@ -139,11 +139,11 @@ logic msix_mask_reg = 1'b0;
 
 // MSI-X table
 (* ramstyle = "no_rw_check, mlab" *)
-logic [63:0] tbl_mem[2**TBL_ADDR_W];
+logic [63:0] tbl_mem[2**TBL_ADDR_W] = '{default: '0};
 
 // MSI-X PBA
 (* ram_style = "distributed", ramstyle = "no_rw_check, mlab" *)
-logic [63:0] pba_mem[2**PBA_ADDR_W];
+logic [63:0] pba_mem[2**PBA_ADDR_W] = '{default: '0};
 
 logic tbl_rd_data_valid_reg = 1'b0, tbl_rd_data_valid_next;
 logic pba_rd_data_valid_reg = 1'b0, pba_rd_data_valid_next;
@@ -176,15 +176,6 @@ assign tx_wr_req_tlp.valid = tx_wr_req_tlp_valid_reg;
 assign tx_wr_req_tlp.sop = 1'b1;
 assign tx_wr_req_tlp.eop = 1'b1;
 
-initial begin
-    for (integer i = 0; i < 2**TBL_ADDR_W; i = i + 1) begin
-        tbl_mem[i] = '0;
-    end
-    for (integer i = 0; i < 2**PBA_ADDR_W; i = i + 1) begin
-        pba_mem[i] = '0;
-    end
-end
-
 always_comb begin
     state_next = STATE_IDLE;
 
diff --git a/src/pcie/rtl/taxi_pcie_msix_axil.sv b/src/pcie/rtl/taxi_pcie_msix_axil.sv
index 40bac83..bcb1251 100644
--- a/src/pcie/rtl/taxi_pcie_msix_axil.sv
+++ b/src/pcie/rtl/taxi_pcie_msix_axil.sv
@@ -149,11 +149,11 @@ logic msix_mask_reg = 1'b0;
 
 // MSI-X table
 (* ramstyle = "no_rw_check, mlab" *)
-logic [63:0] tbl_mem[2**TBL_ADDR_W];
+logic [63:0] tbl_mem[2**TBL_ADDR_W] = '{default: '0};
 
 // MSI-X PBA
 (* ram_style = "distributed", ramstyle = "no_rw_check, mlab" *)
-logic [63:0] pba_mem[2**PBA_ADDR_W];
+logic [63:0] pba_mem[2**PBA_ADDR_W] = '{default: '0};
 
 logic tbl_rd_data_valid_reg = 1'b0, tbl_rd_data_valid_next;
 logic pba_rd_data_valid_reg = 1'b0, pba_rd_data_valid_next;
@@ -194,15 +194,6 @@ assign tx_wr_req_tlp.valid = tx_wr_req_tlp_valid_reg;
 assign tx_wr_req_tlp.sop = 1'b1;
 assign tx_wr_req_tlp.eop = 1'b1;
 
-initial begin
-    for (integer i = 0; i < 2**TBL_ADDR_W; i = i + 1) begin
-        tbl_mem[i] = '0;
-    end
-    for (integer i = 0; i < 2**PBA_ADDR_W; i = i + 1) begin
-        pba_mem[i] = '0;
-    end
-end
-
 always_comb begin
     state_next = STATE_IDLE;