15 files changed, 1 insertions, 61 deletions

diff --git a/keyboards/amj96/matrix.c b/keyboards/amj96/matrix.c
index e41bbec72..5d00ea98f 100644
--- a/keyboards/amj96/matrix.c
+++ b/keyboards/amj96/matrix.c
@@ -63,9 +63,6 @@ void matrix_init(void)
 #ifdef UART_RGB_ENABLE
     uart_rgb_init();
 #endif
-    // disable JTAG
-    MCUCR = _BV(JTD);
-    MCUCR = _BV(JTD);
 
     // 85 REST
     DDRD |= _BV(PD7);
diff --git a/keyboards/clueboard/17/17.c b/keyboards/clueboard/17/17.c
index 627aa236d..9e8ca644e 100644
--- a/keyboards/clueboard/17/17.c
+++ b/keyboards/clueboard/17/17.c
@@ -6,10 +6,6 @@ void matrix_init_kb(void) {
     // put your keyboard start-up code here
     // runs once when the firmware starts up
     matrix_init_user();
-
-    // JTAG disable for PORT F. write JTD bit twice within four cycles.
-    MCUCR |= (1<<JTD);
-    MCUCR |= (1<<JTD);
 };
 
 void led_set_kb(uint8_t usb_led) {
diff --git a/keyboards/clueboard/66/rev2/rev2.c b/keyboards/clueboard/66/rev2/rev2.c
index 1a35b87b8..d676b6d5f 100644
--- a/keyboards/clueboard/66/rev2/rev2.c
+++ b/keyboards/clueboard/66/rev2/rev2.c
@@ -8,10 +8,6 @@ void matrix_init_kb(void) {
         // runs once when the firmware starts up
         matrix_init_user();
         led_init_ports();
-
-    // JTAG disable for PORT F. write JTD bit twice within four cycles.
-    MCUCR |= (1<<JTD);
-    MCUCR |= (1<<JTD);
 }
 
 
diff --git a/keyboards/clueboard/66_hotswap/prototype/prototype.c b/keyboards/clueboard/66_hotswap/prototype/prototype.c
index 991d4b8fa..7c307be61 100644
--- a/keyboards/clueboard/66_hotswap/prototype/prototype.c
+++ b/keyboards/clueboard/66_hotswap/prototype/prototype.c
@@ -8,10 +8,6 @@ void matrix_init_kb(void) {
         // runs once when the firmware starts up
         matrix_init_user();
         led_init_ports();
-
-    // JTAG disable for PORT F. write JTD bit twice within four cycles.
-    MCUCR |= (1<<JTD);
-    MCUCR |= (1<<JTD);
 }
 
 
diff --git a/keyboards/ergodone/matrix.c b/keyboards/ergodone/matrix.c
index 2eb8f24ba..4a8230aa8 100644
--- a/keyboards/ergodone/matrix.c
+++ b/keyboards/ergodone/matrix.c
@@ -77,10 +77,6 @@ uint8_t matrix_cols(void)
 
 void matrix_init(void)
 {
-  // disable JTAG
-  MCUCR = (1<<JTD);
-  MCUCR = (1<<JTD);
-
   unselect_rows();
   init_cols();
 
diff --git a/keyboards/handwired/promethium/matrix.c b/keyboards/handwired/promethium/matrix.c
index 3b8e5af82..b4a4c6396 100644
--- a/keyboards/handwired/promethium/matrix.c
+++ b/keyboards/handwired/promethium/matrix.c
@@ -104,13 +104,6 @@ uint8_t matrix_cols(void) {
 }
 
 void matrix_init(void) {
-
-    // To use PORTF disable JTAG with writing JTD bit twice within four cycles.
-    #if  (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__))
-        MCUCR |= _BV(JTD);
-        MCUCR |= _BV(JTD);
-    #endif
-
     // initialize row and col
     unselect_rows();
     init_cols();
diff --git a/keyboards/hhkb/rn42/rn42.c b/keyboards/hhkb/rn42/rn42.c
index 154da4e10..06665425c 100644
--- a/keyboards/hhkb/rn42/rn42.c
+++ b/keyboards/hhkb/rn42/rn42.c
@@ -26,10 +26,6 @@ host_driver_t rn42_driver = {
 
 void rn42_init(void)
 {
-    // JTAG disable for PORT F. write JTD bit twice within four cycles.
-    MCUCR |= (1<<JTD);
-    MCUCR |= (1<<JTD);
-
     // PF7: BT connection control(high: connect, low: disconnect)
     rn42_autoconnect();
 
diff --git a/keyboards/hid_liber/matrix.c b/keyboards/hid_liber/matrix.c
index de154890d..05554a24c 100755
--- a/keyboards/hid_liber/matrix.c
+++ b/keyboards/hid_liber/matrix.c
@@ -172,10 +172,6 @@ uint8_t matrix_cols(void)
 
 void matrix_init(void)
 {
-    // To use PORTF disable JTAG with writing JTD bit twice within four cycles.
-    MCUCR |= (1<<JTD);
-    MCUCR |= (1<<JTD);
-
     // initialize row and col
     setup_io_pins();
     setup_leds();
diff --git a/keyboards/hotdox/matrix.c b/keyboards/hotdox/matrix.c
index 9d3a98db2..11a1142d4 100644
--- a/keyboards/hotdox/matrix.c
+++ b/keyboards/hotdox/matrix.c
@@ -77,10 +77,6 @@ uint8_t matrix_cols(void)
 
 void matrix_init(void)
 {
-  // disable JTAG
-  MCUCR = (1<<JTD);
-  MCUCR = (1<<JTD);
-
   unselect_rows();
   init_cols();
 
diff --git a/keyboards/launchpad/rev1/rev1.c b/keyboards/launchpad/rev1/rev1.c
index a7aec80e1..cff4edf9f 100644
--- a/keyboards/launchpad/rev1/rev1.c
+++ b/keyboards/launchpad/rev1/rev1.c
@@ -1,14 +1,9 @@
 #include "launchpad.h"
 
 void matrix_init_kb(void) {
-        
-        // JTAG disable for PORT F. write JTD bit twice within four cycles.
-    MCUCR |= (1<<JTD);
-    MCUCR |= (1<<JTD);
-        
         // Undo init of RX LED, we use that port currently
         //DDRB &= ~(1<<0);
         
         matrix_init_user();
         
-};
\ No newline at end of file
+};
diff --git a/keyboards/lets_split/sockets/sockets.h b/keyboards/lets_split/sockets/sockets.h
index 0ee93c020..a1a3f00a0 100644
--- a/keyboards/lets_split/sockets/sockets.h
+++ b/keyboards/lets_split/sockets/sockets.h
@@ -1,5 +1,4 @@
 #pragma once
-#define DISABLE_JTAG // The keyboard uses PF4 and PF7, which are used by JTAG.
 
 #include "lets_split.h"
 
diff --git a/keyboards/miniaxe/config.h b/keyboards/miniaxe/config.h
index db8509717..b0b9d4c47 100644
--- a/keyboards/miniaxe/config.h
+++ b/keyboards/miniaxe/config.h
@@ -237,5 +237,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define EE_HANDS
 #define I2C_MASTER_LEFT
 //#define I2C_MASTER_RIGHT
-
-#define DISABLE_JTAG
diff --git a/keyboards/sx60/matrix.c b/keyboards/sx60/matrix.c
index e8e9d6574..58647d13b 100644
--- a/keyboards/sx60/matrix.c
+++ b/keyboards/sx60/matrix.c
@@ -113,13 +113,6 @@ uint8_t matrix_cols(void) {
 }
 
 void matrix_init(void) {
-
-    /* To use PORTF disable JTAG with writing JTD bit twice within four cycles. */
-    #if  (defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega32U4__))
-        MCUCR |= _BV(JTD);
-        MCUCR |= _BV(JTD);
-    #endif
-
     mcp23018_status = true;
 
     /* initialize row and col */
diff --git a/keyboards/vitamins_included/matrix.c b/keyboards/vitamins_included/matrix.c
index 1f5071c69..d44e70f08 100644
--- a/keyboards/vitamins_included/matrix.c
+++ b/keyboards/vitamins_included/matrix.c
@@ -136,12 +136,6 @@ bool has_usb(void) {
 
 void matrix_init(void)
 {
-#ifdef DISABLE_JTAG
-  // JTAG disable for PORT F. write JTD bit twice within four cycles.
-  MCUCR |= (1<<JTD);
-  MCUCR |= (1<<JTD);
-#endif
-
     // initialize row and col
 #if (DIODE_DIRECTION == COL2ROW)
     unselect_rows();
diff --git a/keyboards/vitamins_included/rev1/rev1.h b/keyboards/vitamins_included/rev1/rev1.h
index aa5029034..ee97e09cf 100644
--- a/keyboards/vitamins_included/rev1/rev1.h
+++ b/keyboards/vitamins_included/rev1/rev1.h
@@ -1,6 +1,5 @@
 #ifndef REV1_H
 #define REV1_H
-#define DISABLE_JTAG // The keyboard uses PF4, PF5 and PF7, which are used by JTAG.
 #define EE_HANDS // This isn't optional for the vitamins included
 
 #include QMK_KEYBOARD_H