diff --git a/plugins/xchat-plugin.h b/plugins/xchat-plugin.h
index 15799424..373c664e 100644
--- a/plugins/xchat-plugin.h
+++ b/plugins/xchat-plugin.h
@@ -148,6 +148,8 @@ struct _xchat_plugin
 		int value);
 	int (*xchat_get_pluginpref_int) (xchat_plugin *ph,
 		const char *var);
+	int (*xchat_del_pluginpref) (xchat_plugin *ph,
+		const char *var);
 };
 #endif
 
@@ -321,6 +323,10 @@ int
 xchat_get_pluginpref_int (xchat_plugin *ph,
 		const char *var);
 
+int
+xchat_del_pluginpref (xchat_plugin *ph,
+		const char *var);
+
 #if !defined(PLUGIN_C) && defined(WIN32)
 #ifndef XCHAT_PLUGIN_HANDLE
 #define XCHAT_PLUGIN_HANDLE (ph)
@@ -359,6 +365,7 @@ xchat_get_pluginpref_int (xchat_plugin *ph,
 #define xchat_get_pluginpref_str ((XCHAT_PLUGIN_HANDLE)->xchat_get_pluginpref_str)
 #define xchat_set_pluginpref_int ((XCHAT_PLUGIN_HANDLE)->xchat_set_pluginpref_int)
 #define xchat_get_pluginpref_int ((XCHAT_PLUGIN_HANDLE)->xchat_get_pluginpref_int)
+#define xchat_del_pluginpref ((XCHAT_PLUGIN_HANDLE)->xchat_del_pluginpref)
 #endif
 
 #ifdef __cplusplus
diff --git a/src/common/plugin.c b/src/common/plugin.c
index 5ed20b87..02cdcce5 100644
--- a/src/common/plugin.c
+++ b/src/common/plugin.c
@@ -274,6 +274,7 @@ plugin_add (session *sess, char *filename, void *handle, void *init_func,
 		pl->xchat_get_pluginpref_str = xchat_get_pluginpref_str;
 		pl->xchat_set_pluginpref_int = xchat_set_pluginpref_int;
 		pl->xchat_get_pluginpref_int = xchat_get_pluginpref_int;
+		pl->xchat_del_pluginpref = xchat_del_pluginpref;
 
 		/* incase new plugins are loaded on older xchat */
 		pl->xchat_dummy4 = xchat_dummy;
@@ -1587,9 +1588,11 @@ xchat_free (xchat_plugin *ph, void *ptr)
 	g_free (ptr);
 }
 
-int
-xchat_set_pluginpref_str (xchat_plugin *pl, const char *var, const char *value)
+static int
+xchat_set_pluginpref_str_real (xchat_plugin *pl, const char *var, const char *value, int mode)
 {
+	/* mode: 0 = delete, 1 = save */
+
 	FILE *fpIn;
 	int fhOut;
 	int prevConfig;
@@ -1683,6 +1686,12 @@ xchat_set_pluginpref_str (xchat_plugin *pl, const char *var, const char *value)
 	}
 }
 
+int
+xchat_set_pluginpref_str (xchat_plugin *pl, const char *var, const char *value)
+{
+	return xchat_set_pluginpref_str (pl, var, value, 1);
+}
+
 int
 xchat_get_pluginpref_str (xchat_plugin *pl, const char *var, char *dest)
 {
@@ -1741,7 +1750,7 @@ xchat_set_pluginpref_int (xchat_plugin *pl, const char *var, int value)
 	char buffer[12];
 
 	sprintf (buffer, "%d", value);
-	return xchat_set_pluginpref_str (pl, var, buffer);
+	return xchat_set_pluginpref_str_real (pl, var, buffer, 1);
 }
 
 int
@@ -1758,3 +1767,9 @@ xchat_get_pluginpref_int (xchat_plugin *pl, const char *var)
 		return -1;
 	}
 }
+
+int
+xchat_del_pluginpref (xchat_plugin *pl, const char *var)
+{
+	xchat_set_pluginpref_str_real (pl, var, 0, 0);
+}
diff --git a/src/common/plugin.h b/src/common/plugin.h
index cddb86fb..bb86f0a3 100644
--- a/src/common/plugin.h
+++ b/src/common/plugin.h
@@ -109,6 +109,8 @@ struct _xchat_plugin
 		int value);
 	int (*xchat_get_pluginpref_int) (xchat_plugin *ph,
 		const char *var);
+	int (*xchat_del_pluginpref) (xchat_plugin *ph,
+		const char *var);
 	void *(*xchat_dummy4) (xchat_plugin *ph);
 	void *(*xchat_dummy3) (xchat_plugin *ph);
 	void *(*xchat_dummy2) (xchat_plugin *ph);
diff --git a/src/common/xchat-plugin.h b/src/common/xchat-plugin.h
index 15799424..373c664e 100644
--- a/src/common/xchat-plugin.h
+++ b/src/common/xchat-plugin.h
@@ -148,6 +148,8 @@ struct _xchat_plugin
 		int value);
 	int (*xchat_get_pluginpref_int) (xchat_plugin *ph,
 		const char *var);
+	int (*xchat_del_pluginpref) (xchat_plugin *ph,
+		const char *var);
 };
 #endif
 
@@ -321,6 +323,10 @@ int
 xchat_get_pluginpref_int (xchat_plugin *ph,
 		const char *var);
 
+int
+xchat_del_pluginpref (xchat_plugin *ph,
+		const char *var);
+
 #if !defined(PLUGIN_C) && defined(WIN32)
 #ifndef XCHAT_PLUGIN_HANDLE
 #define XCHAT_PLUGIN_HANDLE (ph)
@@ -359,6 +365,7 @@ xchat_get_pluginpref_int (xchat_plugin *ph,
 #define xchat_get_pluginpref_str ((XCHAT_PLUGIN_HANDLE)->xchat_get_pluginpref_str)
 #define xchat_set_pluginpref_int ((XCHAT_PLUGIN_HANDLE)->xchat_set_pluginpref_int)
 #define xchat_get_pluginpref_int ((XCHAT_PLUGIN_HANDLE)->xchat_get_pluginpref_int)
+#define xchat_del_pluginpref ((XCHAT_PLUGIN_HANDLE)->xchat_del_pluginpref)
 #endif
 
 #ifdef __cplusplus
diff --git a/src/version-script b/src/version-script
index e76f4fe9..fe04dd46 100644
--- a/src/version-script
+++ b/src/version-script
@@ -34,5 +34,6 @@ EXPORTED {
 		xchat_get_pluginpref_str;
 		xchat_set_pluginpref_int;
 		xchat_get_pluginpref_int;
+		xchat_del_pluginpref;
 	local: *;
 };