diff --git a/pkgs/os-specific/linux/pam/default.nix b/pkgs/os-specific/linux/pam/default.nix
index 45f901b42f09..42b7ea910923 100644
--- a/pkgs/os-specific/linux/pam/default.nix
+++ b/pkgs/os-specific/linux/pam/default.nix
@@ -20,9 +20,6 @@ stdenv.mkDerivation rec {
       url = "https://git.alpinelinux.org/aports/plain/main/linux-pam/libpam-fix-build-with-eglibc-2.16.patch?id=05a62bda8ec255d7049a2bd4cf0fdc4b32bdb2cc";
       sha256 = "1ib6shhvgzinjsc603k2x1lxh9dic6qq449fnk110gc359m23j81";
     })
-    # From adelie's package repo, using local copy since it seems to be currently offline.
-    # (we previously used similar patch from void, but stopped working with update to 1.3.1)
-    ./musl-fix-pam_exec.patch
   ];
 
   outputs = [ "out" "doc" "man" /* "modules" */ ];
diff --git a/pkgs/os-specific/linux/pam/musl-fix-pam_exec.patch b/pkgs/os-specific/linux/pam/musl-fix-pam_exec.patch
deleted file mode 100644
index 194e47b9e5b0..000000000000
--- a/pkgs/os-specific/linux/pam/musl-fix-pam_exec.patch
+++ /dev/null
@@ -1,33 +0,0 @@
---- ./modules/pam_exec/pam_exec.c.orig
-+++ ./modules/pam_exec/pam_exec.c
-@@ -103,11 +103,14 @@
-   int optargc;
-   const char *logfile = NULL;
-   const char *authtok = NULL;
-+  char authtok_buf[PAM_MAX_RESP_SIZE+1];
-+
-   pid_t pid;
-   int fds[2];
-   int stdout_fds[2];
-   FILE *stdout_file = NULL;
- 
-+  memset(authtok_buf, 0, sizeof(authtok_buf));
-   if (argc < 1) {
-     pam_syslog (pamh, LOG_ERR,
- 		"This module needs at least one argument");
-@@ -180,12 +183,12 @@
- 	      if (resp)
- 		{
- 		  pam_set_item (pamh, PAM_AUTHTOK, resp);
--		  authtok = strndupa (resp, PAM_MAX_RESP_SIZE);
-+		  authtok = strncpy(authtok_buf, resp, sizeof(authtok_buf));
- 		  _pam_drop (resp);
- 		}
- 	    }
- 	  else
--	    authtok = strndupa (void_pass, PAM_MAX_RESP_SIZE);
-+	    authtok = strncpy(authtok_buf, void_pass, sizeof(authtok_buf));
- 
- 	  if (pipe(fds) != 0)
- 	    {
-