diff --git a/src/bin/mos6502.rs b/src/bin/mos6502.rs
index 22e0586..df56d6d 100644
--- a/src/bin/mos6502.rs
+++ b/src/bin/mos6502.rs
@@ -39,10 +39,7 @@ fn main() {
 
     // "Load" a program
 
-    // JAM: FIXME: What's the syntax for specifying the array element type,
-    //             but not the length? (For a fixed-size array)
-
-    let zero_page_data: [u8; 17] = [
+    let zero_page_data = [
         // ZeroPage data start
         0x00,
         0x02, // ADC ZeroPage target
@@ -63,7 +60,7 @@ fn main() {
         0x80, // ADC IndirectIndexedY address
     ];
 
-    let program: [u8; 33] = [
+    let program = [
         // Code start
         0xA9, // LDA Immediate
         0x01, //     Immediate operand
@@ -100,7 +97,7 @@ fn main() {
         0xFF, // Something invalid -- the end!
     ];
 
-    let data: [u8; 25] = [
+    let data = [
         0x00,
         0x09, // ADC Absolute target
         0x00,