diff --git a/src/import-export/csv-exp/gnc-plugin-csv-export.c b/src/import-export/csv-exp/gnc-plugin-csv-export.c
index f9dbfe6b9c..a0aa892aae 100644
--- a/src/import-export/csv-exp/gnc-plugin-csv-export.c
+++ b/src/import-export/csv-exp/gnc-plugin-csv-export.c
@@ -173,7 +173,6 @@ gnc_plugin_csv_export_register_cmd (GtkAction *action,
                                  GncMainWindowActionData *data)
 {
     Query   *query;
-    GList   *splits;
     Account *acc;
 
     GncPluginPage *page = gnc_main_window_get_current_page (data->window);
diff --git a/src/import-export/csv-imp/gnc-csv-gnumeric-popup.c b/src/import-export/csv-imp/gnc-csv-gnumeric-popup.c
index cbc38df34b..b2a5cc7ee0 100644
--- a/src/import-export/csv-imp/gnc-csv-gnumeric-popup.c
+++ b/src/import-export/csv-imp/gnc-csv-gnumeric-popup.c
@@ -93,7 +93,7 @@ gnumeric_create_popup_menu_list (GSList *elements,
                                  GdkEventButton *event)
 {
     GtkWidget *menu = gtk_menu_new ();
-    GtkWidget *item, *label;
+    GtkWidget *item;
 
     for (; elements != NULL ; elements = elements->next)
     {
diff --git a/src/import-export/import-main-matcher.c b/src/import-export/import-main-matcher.c
index 977d736b4e..15472db4cd 100644
--- a/src/import-export/import-main-matcher.c
+++ b/src/import-export/import-main-matcher.c
@@ -875,7 +875,6 @@ void gnc_gen_trans_list_add_trans_with_ref_id(GNCImportMainMatcher *gui, Transac
     GtkTreeModel *model;
     GtkTreeIter iter;
     GNCImportMatchInfo *selected_match;
-    GncGUID *pending_match_guid;
     gboolean match_selected_manually;
     g_assert (gui);
     g_assert (trans);
diff --git a/src/import-export/import-match-picker.c b/src/import-export/import-match-picker.c
index 235ec0360c..6559f58f22 100644
--- a/src/import-export/import-match-picker.c
+++ b/src/import-export/import-match-picker.c
@@ -452,7 +452,6 @@ static void
 init_match_picker_gui(GNCImportMatchPicker * matcher)
 {
     GtkBuilder *builder;
-    gboolean show_reconciled;
 
     /* DEBUG("Begin..."); */
 
diff --git a/src/import-export/ofx/gnc-ofx-kvp.c b/src/import-export/ofx/gnc-ofx-kvp.c
index 8b6f670b18..223297f59d 100644
--- a/src/import-export/ofx/gnc-ofx-kvp.c
+++ b/src/import-export/ofx/gnc-ofx-kvp.c
@@ -31,7 +31,6 @@ static const char *KEY_ASSOC_INCOME_ACCOUNT = "ofx/associated-income-account";
 
 Account *gnc_ofx_kvp_get_assoc_account(const Account* investment_account)
 {
-    Account *result = NULL;
     GncGUID *income_guid= NULL;
     g_assert(investment_account);
     qof_instance_get (QOF_INSTANCE (investment_account),
diff --git a/src/plugins/bi_import/dialog-bi-import.c b/src/plugins/bi_import/dialog-bi-import.c
index e7832ee889..dce91a2aa0 100644
--- a/src/plugins/bi_import/dialog-bi-import.c
+++ b/src/plugins/bi_import/dialog-bi-import.c
@@ -528,7 +528,6 @@ gnc_bi_import_create_bis (GtkListStore * store, QofBook * book,
     gchar *new_id = NULL;
     gint64 denom = 0;
     gnc_commodity *currency;
-    Transaction * txn;
 
     // these arguments are needed
     g_return_if_fail (store && book);
diff --git a/src/register/ledger-core/split-register-model-save.c b/src/register/ledger-core/split-register-model-save.c
index 824c9cd02d..cd8b607c68 100644
--- a/src/register/ledger-core/split-register-model-save.c
+++ b/src/register/ledger-core/split-register-model-save.c
@@ -727,10 +727,6 @@ gnc_template_register_save_debcred_cell (BasicCell * cell,
 {
     SRSaveData *sd = save_data;
     SplitRegister *reg = user_data;
-    const char *formula;
-    char *error_loc;
-    gnc_numeric amount;
-    gboolean parse_result;
     GHashTable *parser_vars = g_hash_table_new(g_str_hash, g_str_equal);
 
     g_return_if_fail (gnc_basic_cell_has_name (cell, FDEBT_CELL) ||
diff --git a/src/register/ledger-core/split-register-model.c b/src/register/ledger-core/split-register-model.c
index db3d5d67be..a6ce1eaa29 100644
--- a/src/register/ledger-core/split-register-model.c
+++ b/src/register/ledger-core/split-register-model.c
@@ -603,7 +603,6 @@ gnc_split_register_get_fg_color_internal (VirtualLocation virt_loc,
     const guint32 red_color = color_table[COLOR_NEGATIVE];
     guint32 fg_color;
     const char * cell_name;
-    gboolean is_current;
     gnc_numeric value;
     Split *split;
 
diff --git a/src/register/register-gnome/gnucash-register.c b/src/register/register-gnome/gnucash-register.c
index a3c9d6e3ea..edc8c3bafb 100644
--- a/src/register/register-gnome/gnucash-register.c
+++ b/src/register/register-gnome/gnucash-register.c
@@ -407,7 +407,6 @@ static void
 gnucash_register_configure (GnucashSheet *sheet, gchar * state_section)
 {
     GNCHeaderWidths widths;
-    GnucashRegister *greg;
     Table *table;
     GList *node;
     gchar *key;
diff --git a/src/report/report-gnome/dialog-custom-report.c b/src/report/report-gnome/dialog-custom-report.c
index 3db3d9aa4a..0b26d23df9 100644
--- a/src/report/report-gnome/dialog-custom-report.c
+++ b/src/report/report-gnome/dialog-custom-report.c
@@ -198,7 +198,6 @@ set_reports_view_and_model(CustomReportDialog *crd)
 {
     GtkCellRenderer *renderer;
     GtkTreeModel *model;
-    GtkTreeViewColumn * col;
     gint colnum;
 
     crd->namerenderer = gtk_cell_renderer_text_new();
diff --git a/src/report/report-gnome/gnc-plugin-page-report.c b/src/report/report-gnome/gnc-plugin-page-report.c
index f530cfef6d..b95d905fc6 100644
--- a/src/report/report-gnome/gnc-plugin-page-report.c
+++ b/src/report/report-gnome/gnc-plugin-page-report.c
@@ -658,7 +658,6 @@ gnc_plugin_page_report_option_change_cb(gpointer data)
     SCM dirty_report = scm_c_eval_string("gnc:report-set-dirty?!");
     const gchar *old_name;
     gchar *new_name;
-    gchar *new_name_escaped;
 
     g_return_if_fail(GNC_IS_PLUGIN_PAGE_REPORT(data));
     report = GNC_PLUGIN_PAGE_REPORT(data);
diff --git a/src/report/report-system/gnc-report.c b/src/report/report-system/gnc-report.c
index b491140388..763afad645 100644
--- a/src/report/report-system/gnc-report.c
+++ b/src/report/report-system/gnc-report.c
@@ -153,7 +153,6 @@ error_handler(const char *str)
 gboolean
 gnc_run_report (gint report_id, char ** data)
 {
-    gchar *free_data;
     SCM scm_text;
     gchar *str;