diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index 1971417a95..3a32f6c466 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -3750,15 +3750,6 @@ is the GNU Compiler Collection.")
   ;; automatically "redirects" them to 'gcc-toolchain'.
   (deprecated-package "gcc" gcc-toolchain))
 
-
-(define-public gdc-toolchain-10
-  (package (inherit (make-gcc-toolchain gdc-10))
-    (synopsis "Complete GCC tool chain for D lang development")
-    (description "This package provides a complete GCC tool chain for
-D lang development to be installed in user profiles.  This includes
-gdc, as well as libc (headers and binaries, plus debugging symbols
-in the @code{debug} output), and binutils.")))
-
 (define-public gdc-toolchain-11
   (package (inherit (make-gcc-toolchain gdc-11))
     (synopsis "Complete GCC tool chain for D lang development")
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index caeba83735..bd20f3f606 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -1285,11 +1285,6 @@ as the 'native-search-paths' field."
                "gfortran" '("fortran")
                %generic-search-paths)))
 
-(define-public gdc-10
-  (hidden-package
-   (custom-gcc gcc-10 "gdc" '("d")
-               %generic-search-paths)))
-
 (define-public gdc-11
   (hidden-package
    (custom-gcc gcc-11 "gdc" '("d")