diff --git a/include/proto/h1.h b/include/proto/h1.h
index 7fd32241b..472f4e765 100644
--- a/include/proto/h1.h
+++ b/include/proto/h1.h
@@ -150,17 +150,12 @@ static inline const char *h1m_state_str(enum h1_state msg_state)
 	case H1_MSG_HDR_L2_LF:   return "MSG_HDR_L2_LF";
 	case H1_MSG_HDR_L2_LWS:  return "MSG_HDR_L2_LWS";
 	case H1_MSG_LAST_LF:     return "MSG_LAST_LF";
-	case H1_MSG_ERROR:       return "MSG_ERROR";
 	case H1_MSG_BODY:        return "MSG_BODY";
-	case H1_MSG_100_SENT:    return "MSG_100_SENT";
 	case H1_MSG_CHUNK_SIZE:  return "MSG_CHUNK_SIZE";
 	case H1_MSG_DATA:        return "MSG_DATA";
 	case H1_MSG_CHUNK_CRLF:  return "MSG_CHUNK_CRLF";
 	case H1_MSG_TRAILERS:    return "MSG_TRAILERS";
-	case H1_MSG_ENDING:      return "MSG_ENDING";
 	case H1_MSG_DONE:        return "MSG_DONE";
-	case H1_MSG_CLOSING:     return "MSG_CLOSING";
-	case H1_MSG_CLOSED:      return "MSG_CLOSED";
 	case H1_MSG_TUNNEL:      return "MSG_TUNNEL";
 	default:                 return "MSG_??????";
 	}
diff --git a/include/types/h1.h b/include/types/h1.h
index 7d9c12e90..e410d9d0e 100644
--- a/include/types/h1.h
+++ b/include/types/h1.h
@@ -120,27 +120,19 @@ enum h1m_state {
 
 	H1_MSG_LAST_LF      = 25, // parsing last LF
 
-	/* error state : must be before H1_MSG_BODY so that (>=BODY) always indicates
-	 * that data are being processed.
-	 */
-	H1_MSG_ERROR        = 26, // an error occurred
 	/* Body processing.
 	 * The state H1_MSG_BODY is a delimiter to know if we're waiting for headers
 	 * or body. All the sub-states below also indicate we're processing the body,
 	 * with some additional information.
 	 */
-	H1_MSG_BODY         = 27, // parsing body at end of headers
-	H1_MSG_100_SENT     = 28, // parsing body after a 100-Continue was sent
-	H1_MSG_CHUNK_SIZE   = 29, // parsing the chunk size (RFC7230 #4.1)
-	H1_MSG_DATA         = 30, // skipping data chunk / content-length data
-	H1_MSG_CHUNK_CRLF   = 31, // skipping CRLF after data chunk
-	H1_MSG_TRAILERS     = 32, // trailers (post-data entity headers)
+	H1_MSG_BODY         = 26, // parsing body at end of headers
+	H1_MSG_CHUNK_SIZE   = 27, // parsing the chunk size (RFC7230 #4.1)
+	H1_MSG_DATA         = 28, // skipping data chunk / content-length data
+	H1_MSG_CHUNK_CRLF   = 29, // skipping CRLF after data chunk
+	H1_MSG_TRAILERS     = 30, // trailers (post-data entity headers)
 	/* we enter this state when we've received the end of the current message */
-	H1_MSG_ENDING       = 33, // message end received, wait that the filters end too
-	H1_MSG_DONE         = 34, // message end received, waiting for resync or close
-	H1_MSG_CLOSING      = 35, // shutdown_w done, not all bytes sent yet
-	H1_MSG_CLOSED       = 36, // shutdown_w done, all bytes sent
-	H1_MSG_TUNNEL       = 37, // tunneled data after DONE
+	H1_MSG_DONE         = 31, // message end received, waiting for resync or close
+	H1_MSG_TUNNEL       = 32, // tunneled data after DONE
 } __attribute__((packed));