diff --git a/HardwareVerify/HardwareVerify.ino b/HardwareVerify/HardwareVerify.ino
index 0fc0a52..840dfc1 100644
--- a/HardwareVerify/HardwareVerify.ino
+++ b/HardwareVerify/HardwareVerify.ino
@@ -396,6 +396,7 @@ static void commandLoop()
     case 's':
         if ((arg = getHex32(cursor, noValue)) != noValue)
         {
+            Serial.println();
             dumpBlock(arg, arg + 63);
         }
         else
diff --git a/TommyPROM/Configure.h b/TommyPROM/Configure.h
index 6b62360..563e41c 100644
--- a/TommyPROM/Configure.h
+++ b/TommyPROM/Configure.h
@@ -10,12 +10,6 @@
 //#define PROM_IS_27
 //#define PROM_IS_8755A
 
-// Uncomment the line below to use 74LS595 shift registers instead of the 74LS164s shown
-// in the schematics.  This enables extra code in PromAddressDriver.cpp to control the
-// RCLK line that latches the data to the output pins.
-
-// #define SHIFT_REGISTER_IS_595
-
 // Don't change anything below this comment unless you are adding support for a new device type.
 #if defined(PROM_IS_28C)
 #include "PromDevice28C.h"
diff --git a/TommyPROM/PromAddressDriver.cpp b/TommyPROM/PromAddressDriver.cpp
index b0044b8..5b5ad41 100644
--- a/TommyPROM/PromAddressDriver.cpp
+++ b/TommyPROM/PromAddressDriver.cpp
@@ -112,11 +112,11 @@ void PromAddressDriver::setAddressRegister(uint8_t clkPin, byte addr)
         addr <<= 1;
     }
 
-#ifdef SHIFT_REGISTER_IS_595
+    // Toggle the RCLK pin to output the data for 74LS595 shift registers.  This pin is
+    // not connected when using 74LS164 shift registers.
     PORTB &= ~RCLK_595_MASK;
     delayMicroseconds(1);
     PORTB |= RCLK_595_MASK;
     delayMicroseconds(1);
     PORTB &= ~RCLK_595_MASK;
-#endif
 }