diff --git a/kubo_context.c b/kubo_context.c
index c45c666..439515c 100644
--- a/kubo_context.c
+++ b/kubo_context.c
@@ -111,6 +111,16 @@ struct kubo_wall *kubo_context_get_pending_wall(struct kubo_context *context) {
     return wall;
 }
 
+void kubo_context_delete_wall(struct kubo_context *context) {
+    if (context->state.id != KUBO_CONTEXT_WALL_SELECT ||
+        !context->walls.count) {
+        return;
+    }
+
+    kubo_wall_arr_del(&context->walls, context->wall_select_index);
+    kubo_context_select_next_wall(context);
+}
+
 void kubo_context_select_next_wall(struct kubo_context *context) {
     if (context->state.id != KUBO_CONTEXT_WALL_SELECT ||
         !context->walls.count) {
diff --git a/kubo_context.h b/kubo_context.h
index 27c095b..eaafbdf 100644
--- a/kubo_context.h
+++ b/kubo_context.h
@@ -71,6 +71,7 @@ void kubo_context_set_state(struct kubo_context *context,
 void kubo_context_accept_cmd(struct kubo_context *context);
 
 struct kubo_wall *kubo_context_get_pending_wall(struct kubo_context *context);
+void kubo_context_delete_wall(struct kubo_context *context);
 
 void kubo_context_select_next_wall(struct kubo_context *context);
 void kubo_context_select_prev_wall(struct kubo_context *context);
diff --git a/kubo_dynarray.h b/kubo_dynarray.h
index 893c0b5..71f1d07 100644
--- a/kubo_dynarray.h
+++ b/kubo_dynarray.h
@@ -21,6 +21,7 @@
 
 #include <assert.h>
 #include <stdlib.h>
+#include <string.h>
 
 #define KUBO_DRYNARRAY_DEFAULT_CAP 4
 
@@ -80,6 +81,12 @@
     static inline void name##_clear(struct name *arr) {                        \
         free(arr->data);                                                       \
         name##_init(arr);                                                      \
+    }                                                                          \
+                                                                               \
+    static inline void name##_del(struct name *arr, size_t index) {            \
+        assert(index < arr->count);                                            \
+        memmove(arr->data + index, arr->data + index + 1,                      \
+                (--arr->count - index) * sizeof(struct name));                 \
     }
 
 #endif
diff --git a/kubo_input.c b/kubo_input.c
index 2f78f0a..1b6b413 100644
--- a/kubo_input.c
+++ b/kubo_input.c
@@ -64,6 +64,9 @@ static void key_input(struct kubo_context *context) {
         kubo_context_select_prev_wall(context);
         break;
 
+    case KEY_X:
+        kubo_context_delete_wall(context);
+
     default:
         break;
     }
diff --git a/kubo_window.c b/kubo_window.c
index e7d0e06..25b2f60 100644
--- a/kubo_window.c
+++ b/kubo_window.c
@@ -30,6 +30,7 @@ void kubo_window_init() {
     InitWindow(KUBO_WINDOW_WIDTH, KUBO_WINDOW_HEIGHT, "Kubo");
     EnableEventWaiting();
     SetExitKey(0);
+    SetTargetFPS(60);
 }
 
 void kubo_window_cleanup() { CloseWindow(); }