diff --git a/dev-libs/libmodbus/Manifest b/dev-libs/libmodbus/Manifest
index 4a5e8eb5f3184..ec5f9e9615f81 100644
--- a/dev-libs/libmodbus/Manifest
+++ b/dev-libs/libmodbus/Manifest
@@ -1,2 +1 @@
-DIST libmodbus-3.1.11.tar.gz 478276 BLAKE2B 7fb6c5cc05bca71067b377211da78046abefb9bd74c8f0f0c567324ea7c874d7aa509e2d67f9a1fd9288719e87fdbca280cf4d5612e222f1ef0ef613b2fae988 SHA512 76192230c548640b0954b471aa5d346488115d0690bd932370814f442de56c4316002a5f0288f5955a4b396168ebe7c463a40a029e57df16c7fa4b3d83af6acb
 DIST libmodbus-3.1.12.tar.gz 483861 BLAKE2B ba1a8c5e39c93e0a8f44ced69cf6d12d4b303a853b1820d52f75872166c16110d0c105118d80758aa875ea36acde6997fd725a3e6c764dc95c17550efda89ec9 SHA512 5b884c5a9a817965a37304f2b15ee8e2fb5f1d2caf7e7ca9417dcc5abb593ed47339c8d4e0045c0fbeca09af80bf73cbf7d79a65eb0678a103c755a0349b727a
diff --git a/dev-libs/libmodbus/libmodbus-3.1.11-r1.ebuild b/dev-libs/libmodbus/libmodbus-3.1.11-r1.ebuild
deleted file mode 100644
index f5da7aed5888f..0000000000000
--- a/dev-libs/libmodbus/libmodbus-3.1.11-r1.ebuild
+++ /dev/null
@@ -1,43 +0,0 @@
-# Copyright 1999-2025 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=8
-
-inherit autotools
-
-DESCRIPTION="Modbus library which supports RTU communication over a serial line or a TCP link"
-HOMEPAGE="https://libmodbus.org/"
-SRC_URI="https://github.com/stephane/${PN}/releases/download/v${PV}/${P}.tar.gz"
-
-LICENSE="LGPL-3"
-SLOT="0"
-KEYWORDS="amd64 arm ~arm64 ~ppc ppc64 ~riscv x86"
-IUSE="static-libs test"
-# Tests fail at least when run via the ebuild w/ a timeout assertion being hit
-# See https://github.com/stephane/libmodbus/issues/791 and https://github.com/stephane/libmodbus/pull/794
-# Try again > 3.1.11.
-RESTRICT="test"
-
-PATCHES=( "${FILESDIR}/${PN}-3.1.11-cflags.patch" )
-
-src_prepare() {
-	default
-	eautoreconf
-}
-
-src_configure() {
-	local myeconfargs=(
-		$(use_enable test tests)
-		$(use_enable static-libs static)
-	)
-
-	econf "${myeconfargs[@]}"
-}
-
-src_install() {
-	default
-
-	if ! use static-libs; then
-		find "${ED}" -name '*.la' -delete || die
-	fi
-}