diff --git a/ports/septag-sx/portfile.cmake b/ports/septag-sx/portfile.cmake
deleted file mode 100644
index 9eba794a0b..0000000000
--- a/ports/septag-sx/portfile.cmake
+++ /dev/null
@@ -1,38 +0,0 @@
-if(TARGET_TRIPLET MATCHES "(uwp|arm)")
-    message(FATAL_ERROR "septag-sx doesn't support ${TARGET_TRIPLET} currently.")
-endif()
-
-vcpkg_from_github(
-    OUT_SOURCE_PATH SOURCE_PATH
-    REPO septag/sx
-    REF b70567a52636f9ecfdb904c586a957a806efc990
-    SHA512 8945476b428418d3c7845afd831503f43fd44672a9b3506576c5baf50f55739327275a8be97a323f3ae146f84b76bbe266ac7b5df1b85cb05a826ed5e30b9547
-    HEAD_REF master
-)
-
-string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" SX_SHARED_LIB)
-
-vcpkg_cmake_configure(
-    SOURCE_PATH "${SOURCE_PATH}"
-    OPTIONS
-        -DSX_BUILD_TESTS=OFF
-        -DSX_SHARED_LIB=${SX_SHARED_LIB}
-)
-
-vcpkg_cmake_install()
-
-vcpkg_copy_pdbs()
-
-vcpkg_cmake_config_fixup(CONFIG_PATH lib/cmake/sx PACKAGE_NAME sx)
-
-if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
-    vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/include/sx/config.h"
-        "define SX_CONFIG_SHARED_LIB 0"
-        "define SX_CONFIG_SHARED_LIB 1"
-    )
-endif()
-
-file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
-
-# Handle copyright
-configure_file("${SOURCE_PATH}/LICENSE" "${CURRENT_PACKAGES_DIR}/share/${PORT}/copyright" COPYONLY)
diff --git a/ports/septag-sx/vcpkg.json b/ports/septag-sx/vcpkg.json
deleted file mode 100644
index 756100f37e..0000000000
--- a/ports/septag-sx/vcpkg.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  "name": "septag-sx",
-  "version-date": "2019-05-07",
-  "port-version": 5,
-  "description": "Portable base library for C programmers, designed for performance and simplicity.",
-  "supports": "!(uwp | arm)",
-  "dependencies": [
-    {
-      "name": "vcpkg-cmake",
-      "host": true
-    },
-    {
-      "name": "vcpkg-cmake-config",
-      "host": true
-    }
-  ]
-}
diff --git a/scripts/ci.baseline.txt b/scripts/ci.baseline.txt
index 6d90bdf067..db73a0c93b 100644
--- a/scripts/ci.baseline.txt
+++ b/scripts/ci.baseline.txt
@@ -1037,7 +1037,6 @@ salome-medcoupling:x64-linux=fail
 saucer:arm64-osx=fail # std::move_only_function is not supported
 saucer:x64-linux=fail # requires gcc14 or later
 sentry-native:arm64-linux=fail
-septag-sx:x64-android=fail
 sfgui:arm-neon-android=fail
 sfgui:arm64-android=fail
 sfgui:x64-android=fail
diff --git a/versions/baseline.json b/versions/baseline.json
index 2fd34b6aa6..023b8dcdf2 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -9280,10 +9280,6 @@
       "baseline": "2026-02-23",
       "port-version": 0
     },
-    "septag-sx": {
-      "baseline": "2019-05-07",
-      "port-version": 5
-    },
     "seqan": {
       "baseline": "2.5.3",
       "port-version": 0