diff --git a/include/crm/common/schemas.h b/include/crm/common/schemas.h
index 338311ba75..c892010b0c 100644
--- a/include/crm/common/schemas.h
+++ b/include/crm/common/schemas.h
@@ -1,33 +1,32 @@
 /*
- * Copyright 2024 the Pacemaker project contributors
+ * Copyright 2024-2025 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
  * This source code is licensed under the GNU Lesser General Public License
  * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
  */
 
 #ifndef PCMK__CRM_COMMON_SCHEMAS__H
 #define PCMK__CRM_COMMON_SCHEMAS__H
 
-#include <stdbool.h>        // bool
 #include <libxml/tree.h>    // xmlNode
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /*!
  * \file
  * \brief XML schema API
  * \ingroup core
  */
 
 int
 pcmk_update_configured_schema(xmlNode **xml);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif // PCMK__CRM_COMMON_SCHEMAS__H