diff --git a/dcs.c b/dcs.c
deleted file mode 100644
index c591974a..00000000
--- a/dcs.c
+++ /dev/null
@@ -1,32 +0,0 @@
-#include "dcs.h"
-
-#define LOG_MODULE "dcs"
-#define LOG_ENABLE_DBG 0
-#include "log.h"
-
-void
-dcs_passthrough(struct terminal *term)
-{
-    LOG_DBG("DCS passthrough: %.*s (%zu bytes)",
-            (int)term->vt.dcs.idx, term->vt.dcs.data, term->vt.dcs.idx);
-}
-
-bool
-dcs_ensure_size(struct terminal *term, size_t required_size)
-{
-    if (required_size <= term->vt.dcs.size)
-        return true;
-
-    size_t new_size = (required_size + 127) / 128 * 128;
-    assert(new_size > 0);
-
-    uint8_t *new_data = realloc(term->vt.dcs.data, new_size);
-    if (new_data == NULL) {
-        LOG_ERRNO("failed to increase size of DCS buffer");
-        return false;
-    }
-
-    term->vt.dcs.data = new_data;
-    term->vt.dcs.size = new_size;
-    return true;
-}
diff --git a/dcs.h b/dcs.h
deleted file mode 100644
index 38108444..00000000
--- a/dcs.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#pragma once
-
-#include <stdbool.h>
-#include "terminal.h"
-
-void dcs_passthrough(struct terminal *term);
-bool dcs_ensure_size(struct terminal *term, size_t required_size);
diff --git a/main.c b/main.c
index 2ec17618..54140fd0 100644
--- a/main.c
+++ b/main.c
@@ -842,7 +842,6 @@ out:
         xkb_context_unref(term.kbd.xkb);
 
     free(term.vt.osc.data);
-    free(term.vt.dcs.data);
     for (int row = 0; row < term.normal.num_rows; row++)
         grid_row_free(term.normal.rows[row]);
     free(term.normal.rows);
diff --git a/meson.build b/meson.build
index 9b1aa679..5d1bd058 100644
--- a/meson.build
+++ b/meson.build
@@ -63,7 +63,6 @@ executable(
   'config.c', 'config.h',
   'commands.c', 'commands.h',
   'csi.c', 'csi.h',
-  'dcs.c', 'dcs.h',
   'font.c', 'font.h',
   'grid.c', 'grid.h',
   'input.c', 'input.h',
diff --git a/terminal.h b/terminal.h
index a6cf65cd..a32f7890 100644
--- a/terminal.h
+++ b/terminal.h
@@ -129,11 +129,6 @@ struct vt {
         size_t size;
         size_t idx;
     } osc;
-    struct {
-        uint8_t *data;
-        size_t size;
-        size_t idx;
-    } dcs;
     struct {
         uint8_t data[4];
         size_t idx;
diff --git a/vt.c b/vt.c
index 6511ceba..1c71e4bc 100644
--- a/vt.c
+++ b/vt.c
@@ -9,7 +9,6 @@
 #define LOG_ENABLE_DBG 0
 #include "log.h"
 #include "csi.h"
-#include "dcs.h"
 #include "grid.h"
 #include "osc.h"
 
@@ -931,20 +930,9 @@ action(struct terminal *term, enum action _action, uint8_t c)
         break;
 
     case ACTION_HOOK:
-        term->vt.dcs.idx = 0;
-        break;
-
     case ACTION_PUT:
-        if (!dcs_ensure_size(term, term->vt.dcs.idx + 1))
-            break;
-        term->vt.dcs.data[term->vt.dcs.idx++] = c;
-        break;
-
     case ACTION_UNHOOK:
-        if (!dcs_ensure_size(term, term->vt.dcs.idx + 1))
-            break;
-        term->vt.dcs.data[term->vt.dcs.idx] = '\0';
-        dcs_passthrough(term);
+        /* We have no parent terminal to pass through to */
         break;
 
     case ACTION_UTF8_2_ENTRY: