diff --git a/src/app-utils/c-interface.scm b/src/app-utils/c-interface.scm
index 9827d21463..10837a4c64 100644
--- a/src/app-utils/c-interface.scm
+++ b/src/app-utils/c-interface.scm
@@ -18,8 +18,6 @@
 (use-modules (ice-9 slib))
 (use-modules (ice-9 syncase))
 
-(require 'hash-table)
-
 (define (gnc:error->string tag args)
   (define (write-error port)
     (if (and (list? args) (not (null? args)))
diff --git a/src/app-utils/prefs.scm b/src/app-utils/prefs.scm
index d460646622..a0ee256fe2 100644
--- a/src/app-utils/prefs.scm
+++ b/src/app-utils/prefs.scm
@@ -17,8 +17,6 @@
 ;; 51 Franklin Street, Fifth Floor    Fax:    +1-617-542-2652
 ;; Boston, MA  02110-1301,  USA       gnu@gnu.org
 
-(require 'hash-table)
-
 ;; (define gnc:*double-entry-restriction*
 ;;   (gnc:make-config-var
 ;;    "Determines how the splits in a transaction will be balanced. 
diff --git a/src/business/business-reports/aging.scm b/src/business/business-reports/aging.scm
index 34e071bca1..499555bd1b 100644
--- a/src/business/business-reports/aging.scm
+++ b/src/business/business-reports/aging.scm
@@ -31,8 +31,6 @@
 (use-modules (gnucash printf))
 (use-modules (gnucash gnc-module))
 
-(require 'hash-table)
-
 (gnc:module-load "gnucash/report/report-system" 0)
 (gnc:module-load "gnucash/business-core" 0)
 
diff --git a/src/business/business-reports/easy-invoice.scm b/src/business/business-reports/easy-invoice.scm
index c95e83eddb..18717fee5f 100644
--- a/src/business/business-reports/easy-invoice.scm
+++ b/src/business/business-reports/easy-invoice.scm
@@ -35,8 +35,6 @@
 (use-modules (gnucash printf))
 (use-modules (gnucash gnc-module))
 
-(require 'hash-table)
-
 (gnc:module-load "gnucash/report/report-system" 0)
 (gnc:module-load "gnucash/business-utils" 0)
 
diff --git a/src/business/business-reports/fancy-invoice.scm b/src/business/business-reports/fancy-invoice.scm
index bb330add90..58c49c1192 100644
--- a/src/business/business-reports/fancy-invoice.scm
+++ b/src/business/business-reports/fancy-invoice.scm
@@ -53,8 +53,6 @@
 (use-modules (gnucash printf))
 (use-modules (gnucash gnc-module))
 
-(require 'hash-table)
-
 (gnc:module-load "gnucash/report/report-system" 0)
 (gnc:module-load "gnucash/business-utils" 0)
 
diff --git a/src/business/business-reports/invoice.scm b/src/business/business-reports/invoice.scm
index 4e362edce1..9780221100 100644
--- a/src/business/business-reports/invoice.scm
+++ b/src/business/business-reports/invoice.scm
@@ -29,8 +29,6 @@
 (use-modules (gnucash printf))
 (use-modules (gnucash gnc-module))
 
-(require 'hash-table)
-
 (gnc:module-load "gnucash/report/report-system" 0)
 (gnc:module-load "gnucash/business-utils" 0)
 
diff --git a/src/report/standard-reports/standard-reports.scm b/src/report/standard-reports/standard-reports.scm
index 60156a0c63..43eda4bcbb 100644
--- a/src/report/standard-reports/standard-reports.scm
+++ b/src/report/standard-reports/standard-reports.scm
@@ -13,8 +13,6 @@
 (export gnc:register-report-create)
 (export gnc:register-report-hook)
 
-(require 'hash-table)
-
 (define gnc:*register-report-hash* (make-hash-table 23))
 
 ;; Keep a hash-table of records, keyed off the account type.  Each