diff --git a/lib/libqof/backend/file/qsf-backend.c b/lib/libqof/backend/file/qsf-backend.c
index 63072644b8..5bc83365a6 100644
--- a/lib/libqof/backend/file/qsf-backend.c
+++ b/lib/libqof/backend/file/qsf-backend.c
@@ -283,6 +283,7 @@ qsf_session_end( QofBackend *be)
 static void
 qsf_destroy_backend (QofBackend *be)
 {
+	qof_backend_destroy(be);
 	g_free(be);
 }
 
diff --git a/lib/libqof/qof/qofbackend-p.h b/lib/libqof/qof/qofbackend-p.h
index cb128219bf..fab49a784b 100644
--- a/lib/libqof/qof/qofbackend-p.h
+++ b/lib/libqof/qof/qofbackend-p.h
@@ -377,6 +377,7 @@ void qof_backend_set_message(QofBackend *be, const char *format, ...);
 char * qof_backend_get_message(QofBackend *be);
 
 void qof_backend_init(QofBackend *be);
+void qof_backend_destroy(QofBackend *be);
 
 /** Allow backends to see if the book is open 
 
diff --git a/lib/libqof/qof/qofbackend.c b/lib/libqof/qof/qofbackend.c
index 4f70aa3887..e0a2dd4fbc 100644
--- a/lib/libqof/qof/qofbackend.c
+++ b/lib/libqof/qof/qofbackend.c
@@ -144,6 +144,15 @@ qof_backend_init(QofBackend *be)
     be->export = NULL;
 }
 
+void
+qof_backend_destroy(QofBackend *be)
+{
+    g_free(be->error_msg);
+    be->error_msg = NULL;
+    kvp_frame_delete(be->backend_configuration);
+    be->backend_configuration = NULL;
+}
+
 void
 qof_backend_run_begin(QofBackend *be, QofInstance *inst)
 {
diff --git a/lib/libqof/qof/qoflog.c b/lib/libqof/qof/qoflog.c
index 932139906a..1da32bd8a4 100644
--- a/lib/libqof/qof/qoflog.c
+++ b/lib/libqof/qof/qoflog.c
@@ -128,7 +128,8 @@ void
 qof_log_init_filename(const gchar* log_filename)
 {
      if (log_table == NULL)
-          log_table = g_hash_table_new(g_str_hash, g_str_equal);
+          log_table = g_hash_table_new_full(g_str_hash, g_str_equal,
+                                            g_free, NULL);
 
      if (log_filename)
      {
diff --git a/src/backend/file/gnc-backend-file.c b/src/backend/file/gnc-backend-file.c
index 8b086f7106..d1c8d57bdd 100644
--- a/src/backend/file/gnc-backend-file.c
+++ b/src/backend/file/gnc-backend-file.c
@@ -320,6 +320,7 @@ file_session_end(QofBackend *be_start)
 static void
 file_destroy_backend(QofBackend *be)
 {
+    qof_backend_destroy(be);
     g_free(be);
 }