diff --git a/rtl/lfsr.v b/rtl/lfsr.v
index 3d183d8..7e01bdd 100644
--- a/rtl/lfsr.v
+++ b/rtl/lfsr.v
@@ -201,10 +201,10 @@ reg [DATA_WIDTH-1:0] lfsr_mask_data[LFSR_WIDTH-1:0];
 reg [LFSR_WIDTH-1:0] output_mask_state[DATA_WIDTH-1:0];
 reg [DATA_WIDTH-1:0] output_mask_data[DATA_WIDTH-1:0];
 
-reg [LFSR_WIDTH-1:0] state_val = 0;
-reg [DATA_WIDTH-1:0] data_val = 0;
+reg [LFSR_WIDTH-1:0] state_val;
+reg [DATA_WIDTH-1:0] data_val;
 
-integer i, j, k;
+integer i, j;
 
 initial begin
     // init bit masks
@@ -391,8 +391,8 @@ end else if (STYLE_INT == "LOOP") begin
     // same size as generated code with Quartus
     // --> better for synthesis
 
-    reg [LFSR_WIDTH-1:0] state_out_reg = 0;
-    reg [DATA_WIDTH-1:0] data_out_reg = 0;
+    reg [LFSR_WIDTH-1:0] state_out_reg;
+    reg [DATA_WIDTH-1:0] data_out_reg;
 
     assign state_out = state_out_reg;
     assign data_out = data_out_reg;