diff --git a/types/datatables.net-fixedcolumns/index.d.ts b/types/datatables.net-fixedcolumns/index.d.ts
index 791474a732..725c618315 100644
--- a/types/datatables.net-fixedcolumns/index.d.ts
+++ b/types/datatables.net-fixedcolumns/index.d.ts
@@ -22,7 +22,7 @@ declare namespace DataTables {
          * The algorithm to use. This can be one of (see below for full description):
          * 'none' | 'semiauto' | 'auto'
          */
-        heightMatch?: string;
+        heightMatch?: 'none' | 'semiauto' | 'auto';
 
         /*
          * The number of columns on the left hand side of the table to fix in place.
@@ -36,10 +36,6 @@ declare namespace DataTables {
     }
 
     interface Api {
-        fixedColumns: FixedColumnsMethodsModel;
-    }
-
-    interface FixedColumnsMethodsModel {
         /*
         * Get FixedColumns Api
         */
diff --git a/types/datatables.net-select/index.d.ts b/types/datatables.net-select/index.d.ts
index 87cdef4c39..1cef1a8d9e 100644
--- a/types/datatables.net-select/index.d.ts
+++ b/types/datatables.net-select/index.d.ts
@@ -81,4 +81,28 @@ declare namespace DataTables {
        */
       deselect(): Api;
     }
+
+    interface CellMethods {
+        /**
+         * Select cell
+         */
+        select(): Api;
+
+        /**
+         * Deselect a cell
+         */
+        deselect(): Api;
+    }
+
+    interface CellsMethods {
+        /**
+         * Select multiple cells
+         */
+        select(): Api;
+
+        /**
+         * Deselect cells
+         */
+        deselect(): Api;
+    }
 }