diff --git a/src/core/ppp/nm-ppp-manager.c b/src/core/ppp/nm-ppp-manager.c
index 58364c384d..bb043a7e41 100644
--- a/src/core/ppp/nm-ppp-manager.c
+++ b/src/core/ppp/nm-ppp-manager.c
@@ -38,7 +38,6 @@
 #include "nm-pppd-plugin.h"
 #include "nm-ppp-plugin-api.h"
 #include "nm-ppp-status.h"
-#include "nm-pppd-compat.h"
 
 #define NM_PPPD_PLUGIN PPPD_PLUGIN_DIR "/nm-pppd-plugin.so"
 
@@ -844,7 +843,7 @@ create_pppd_cmd_line(NMPPPManager   *self,
         const char *pppoe_service;
 
         nm_strv_ptrarray_add_string_dup(cmd, "plugin");
-        nm_strv_ptrarray_add_string_dup(cmd, nm_pppd_compat_get_pppoe_plugin_name());
+        nm_strv_ptrarray_add_string_dup(cmd, "rp-pppoe.so");
 
         nm_strv_ptrarray_add_string_concat(cmd, "nic-", priv->parent_iface);
 
@@ -873,7 +872,7 @@ create_pppd_cmd_line(NMPPPManager   *self,
 
         } else if (!strcmp(protocol, NM_SETTING_ADSL_PROTOCOL_PPPOE)) {
             nm_strv_ptrarray_add_string_dup(cmd, "plugin");
-            nm_strv_ptrarray_add_string_dup(cmd, nm_pppd_compat_get_pppoe_plugin_name());
+            nm_strv_ptrarray_add_string_dup(cmd, "rp-pppoe.so");
             nm_strv_ptrarray_add_string_dup(cmd, priv->parent_iface);
         }
 
diff --git a/src/core/ppp/nm-pppd-compat.c b/src/core/ppp/nm-pppd-compat.c
index 81b69f4663..fd67eb3493 100644
--- a/src/core/ppp/nm-pppd-compat.c
+++ b/src/core/ppp/nm-pppd-compat.c
@@ -94,14 +94,6 @@ G_STATIC_ASSERT(NM_PPPD_COMPAT_MAXSECRETLEN == MAXSECRETLEN);
 
 /*****************************************************************************/
 
-_nm_const const char *
-nm_pppd_compat_get_pppoe_plugin_name(void)
-{
-    return PPP_VERSION_2_5_OR_NEWER ? "pppoe.so" : "rp-pppoe.so";
-}
-
-/*****************************************************************************/
-
 int
 nm_pppd_compat_get_ifunit(void)
 {
diff --git a/src/core/ppp/nm-pppd-compat.h b/src/core/ppp/nm-pppd-compat.h
index 1edffdfa98..11376e360e 100644
--- a/src/core/ppp/nm-pppd-compat.h
+++ b/src/core/ppp/nm-pppd-compat.h
@@ -11,8 +11,6 @@
 
 int nm_pppd_compat_get_ifunit(void);
 
-const char *nm_pppd_compat_get_pppoe_plugin_name(void) _nm_const;
-
 const char *nm_pppd_compat_get_ifname(void);
 void        nm_pppd_compat_set_ifname(const char *ifname);