diff --git a/keyboards/kc60/Makefile b/keyboards/kc60/Makefile
index 9717b519c..b00a488b9 100644
--- a/keyboards/kc60/Makefile
+++ b/keyboards/kc60/Makefile
@@ -53,7 +53,7 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
 # Build Options
 #   change yes to no to disable
 #
-BOOTMAGIC_ENABLE ?= yes      # Virtual DIP switch configuration(+1000)
+BOOTMAGIC_ENABLE ?= no       # Virtual DIP switch configuration(+1000)
 MOUSEKEY_ENABLE ?= yes       # Mouse keys(+4700)
 EXTRAKEY_ENABLE ?= yes       # Audio control and System control(+450)
 CONSOLE_ENABLE ?= yes        # Console for debug(+400)
diff --git a/quantum/quantum.c b/quantum/quantum.c
index 09daa4712..d5b9753b7 100644
--- a/quantum/quantum.c
+++ b/quantum/quantum.c
@@ -212,6 +212,12 @@ bool process_record_quantum(keyrecord_t *record) {
         register_mods(MOD_BIT(KC_LSFT));
       }
       else {
+        #ifdef DISABLE_SPACE_CADET_ROLLOVER
+          if (get_mods() & MOD_BIT(KC_RSFT)) {
+            shift_interrupted[0] = true;
+            shift_interrupted[1] = true;
+          }
+        #endif
         if (!shift_interrupted[0]) {
           register_code(LSPO_KEY);
           unregister_code(LSPO_KEY);
@@ -228,6 +234,12 @@ bool process_record_quantum(keyrecord_t *record) {
         register_mods(MOD_BIT(KC_RSFT));
       }
       else {
+        #ifdef DISABLE_SPACE_CADET_ROLLOVER
+          if (get_mods() & MOD_BIT(KC_LSFT)) {
+            shift_interrupted[0] = true;
+            shift_interrupted[1] = true;
+          }
+        #endif
         if (!shift_interrupted[1]) {
           register_code(RSPC_KEY);
           unregister_code(RSPC_KEY);
diff --git a/readme.md b/readme.md
index 7f7a55c82..e0dcd5608 100644
--- a/readme.md
+++ b/readme.md
@@ -306,6 +306,12 @@ It's defaulted to work on US keyboards, but if your layout uses different keys f
     #define LSPO_KEY KC_9
     #define RSPC_KEY KC_0
 
+You can also choose between different rollover behaviors of the shift keys by defining:
+
+    #define DISABLE_SPACE_CADET_ROLLOVER
+
+in your `config.h`. Disabling rollover allows you to use the opposite shift key to cancel the space cadet state in the event of an erroneous press instead of emitting a pair of parentheses when the keys are released.
+
 The only other thing you're going to want to do is create a `Makefile` in your keymap directory and set the following:
 
 ```