diff --git a/gnu/packages/machine-learning.scm b/gnu/packages/machine-learning.scm
index 8e8b4c9d088..933ede23ac9 100644
--- a/gnu/packages/machine-learning.scm
+++ b/gnu/packages/machine-learning.scm
@@ -4979,7 +4979,7 @@ in the audio domain.")
              python-xxhash))
       (native-inputs
        (list openssl
-             python-flit-core-next
+             python-flit-core
              python-pytest
              python-pytest-cov))
       (home-page "https://pyg.org")
diff --git a/gnu/packages/pdf.scm b/gnu/packages/pdf.scm
index 81ff1d528b0..dba033cf823 100644
--- a/gnu/packages/pdf.scm
+++ b/gnu/packages/pdf.scm
@@ -1484,7 +1484,7 @@ converter using the Poppler and Cairo libraries.")
                     " and not "))))
     (native-inputs
      (list python-flit
-           python-flit-core-next
+           python-flit-core
            python-pytest
            python-pytest-socket
            python-pytest-timeout
diff --git a/gnu/packages/python-build.scm b/gnu/packages/python-build.scm
index 3d6dbb383bd..87a982d8d83 100644
--- a/gnu/packages/python-build.scm
+++ b/gnu/packages/python-build.scm
@@ -36,6 +36,7 @@
   #:use-module (guix build-system python)
   #:use-module (guix build-system pyproject)
   #:use-module (guix gexp)
+  #:use-module (guix deprecation)
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (guix packages))
@@ -614,7 +615,8 @@ specified by PEP 517, @code{flit_core.buildapi}.")
        (delete "python-toml")
        (prepend python-tomli)))))
 
-(define-public python-flit-core-next python-flit-core)
+(define-deprecated/public-alias python-flit-core-next
+  python-flit-core)                    ;may be removed after 2025-12-01
 
 (define-public python-flit-scm
   (package
diff --git a/gnu/packages/python-check.scm b/gnu/packages/python-check.scm
index 34dc4c40cc0..72d4775abf6 100644
--- a/gnu/packages/python-check.scm
+++ b/gnu/packages/python-check.scm
@@ -3783,7 +3783,7 @@ possibly work.")
     (native-inputs
      (list python-ddt
            python-iso8601
-           python-flit-core-next ;requires >=3.12
+           python-flit-core
            python-setuptools))
     (propagated-inputs
      (list python-cliff-bootstrap
diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 526b6be9efb..f540fc6fa23 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -411,7 +411,7 @@ APIs to detect, query, and compare them.")
                 (("from click") "from asyncclick")))))))
     (native-inputs
      (list python-anyio
-           python-flit-core-next
+           python-flit-core
            python-pytest
            python-trio))
     (home-page "https://github.com/python-trio/asyncclick")