diff --git a/cpu/gd32v/include/periph_cpu.h b/cpu/gd32v/include/periph_cpu.h
index ec6e437610..bec2001cb0 100644
--- a/cpu/gd32v/include/periph_cpu.h
+++ b/cpu/gd32v/include/periph_cpu.h
@@ -239,7 +239,7 @@ typedef union gpio_conf_gd32v gpio_conf_t;
  * @ingroup     drivers_periph_gpio_ll
  */
 union gpio_conf_gd32v {
-    uint16_t bits;  /**< the raw bits */
+    uint8_t bits;  /**< the raw bits */
     struct {
         /**
          * @brief   State of the pin
@@ -259,18 +259,6 @@ union gpio_conf_gd32v {
          * configured to @ref GPIO_OUTPUT_PUSH_PULL or @ref GPIO_OUTPUT_OPEN_DRAIN.
          */
         gpio_slew_t slew_rate           : 2;
-        /**
-         * @brief   Whether to disable the input Schmitt trigger
-         *
-         * @details This could be called `schmitt_trigger` with inverse
-         *          meaning, but the API contract says that additional
-         *          members in the structure should have a sane
-         *          default when zero.
-         *
-         * This value is ignored *unless* @ref gpio_conf_stm32::state is
-         * configured to @ref GPIO_INPUT.
-         */
-        bool schmitt_trigger_disabled   : 1;
         /**
          * @brief   Initial value of the output
          *
@@ -285,7 +273,6 @@ union gpio_conf_gd32v {
          * consulted.
          */
         bool initial_value          : 1;
-        uint8_t                     : 7;    /*< padding */
     };
 };
 
diff --git a/cpu/gd32v/periph/gpio_ll.c b/cpu/gd32v/periph/gpio_ll.c
index 375c010863..72de29352b 100644
--- a/cpu/gd32v/periph/gpio_ll.c
+++ b/cpu/gd32v/periph/gpio_ll.c
@@ -60,7 +60,6 @@ int gpio_ll_init(gpio_port_t port, uint8_t pin, gpio_conf_t conf)
 
     switch (conf.state) {
     case GPIO_DISCONNECT:
-        *ctrl |= 0x1 << (pos + 2);
         pin_used[GPIO_PORT_NUM(port)] &= ~(1 << pin);
         if (pin_used[GPIO_PORT_NUM(port)] == 0) {
             periph_clk_dis(APB2, (RCU_APB2EN_PAEN_Msk << GPIO_PORT_NUM(port)));
@@ -121,14 +120,14 @@ gpio_conf_t gpio_ll_query_conf(gpio_port_t port, uint8_t pin)
         result.state = GPIO_INPUT;
         switch (ctrl) {
         case 0:
-            result.state = GPIO_USED_BY_PERIPHERAL;
+            result.state = GPIO_DISCONNECT;
             break;
         case 1:
             result.pull = GPIO_FLOATING;
             break;
         case 2:
             result.pull = (((GPIO_Type *)port)->OCTL & (1UL << pin)) ? GPIO_PULL_UP
-                                                                  : GPIO_PULL_DOWN;
+                                                                     : GPIO_PULL_DOWN;
             break;
         default:
             break;
@@ -173,8 +172,4 @@ void gpio_ll_print_conf(gpio_conf_t conf)
     gpio_ll_print_conf_common(conf);
     print_str(", slew: ");
     print_str(slew_strs[conf.slew_rate]);
-
-    if (conf.schmitt_trigger_disabled) {
-        print_str(", Schmitt trigger disabled");
-    }
 }