diff --git a/cypress/e2e/calcScrollbarsDimensions-tests.cy.js b/cypress/e2e/calcScrollbarsDimensions-tests.cy.js
index bac6fa8..7fd1559 100644
--- a/cypress/e2e/calcScrollbarsDimensions-tests.cy.js
+++ b/cypress/e2e/calcScrollbarsDimensions-tests.cy.js
@@ -66,8 +66,6 @@ describe("calcScrollbarsDimensions", function () {
                         const _elementWithScrollbarOnTheYAxisOriginalScrollPos = _getCurrentScrollPos(_elementWithScrollbarOnTheYAxis);
                         const _elementWithScrollbarOnTheXYAxesOriginalScrollPos = _getCurrentScrollPos(_elementWithScrollbarOnTheXYAxes);
 
-                        uss.setPageScroller(_pageScroller);
-
                         //Test the scrollbars' dimensions of document.head's elements.
                         expect(constants.arraysAreEqual(uss.calcScrollbarsDimensions(_head), [0, 0])).to.be.true;
                         Array.from(_head.children).forEach(el => expect(constants.arraysAreEqual(uss.calcScrollbarsDimensions(el), [0, 0])).to.be.true);
diff --git a/cypress/e2e/calcXScrollbarDimension-tests.cy.js b/cypress/e2e/calcXScrollbarDimension-tests.cy.js
index ec1769e..c3264dc 100644
--- a/cypress/e2e/calcXScrollbarDimension-tests.cy.js
+++ b/cypress/e2e/calcXScrollbarDimension-tests.cy.js
@@ -55,8 +55,6 @@ describe("calcXScrollbarDimension", function () {
                         const _elementWithScrollbarOnTheYAxisOriginalScrollPos = _getCurrentScrollPos(_elementWithScrollbarOnTheYAxis);
                         const _elementWithScrollbarOnTheXYAxesOriginalScrollPos = _getCurrentScrollPos(_elementWithScrollbarOnTheXYAxes);
 
-                        uss.setPageScroller(_pageScroller);
-
                         //Test the x-scrollbar's dimension of document.head's elements.
                         expect(uss.calcXScrollbarDimension(_head)).to.equal(0);
                         Array.from(_head.children).forEach(el => expect(uss.calcXScrollbarDimension(el)).to.equal(0));
diff --git a/cypress/e2e/calcYScrollbarDimension-tests.cy.js b/cypress/e2e/calcYScrollbarDimension-tests.cy.js
index 1073a4d..1cd8cbe 100644
--- a/cypress/e2e/calcYScrollbarDimension-tests.cy.js
+++ b/cypress/e2e/calcYScrollbarDimension-tests.cy.js
@@ -55,8 +55,6 @@ describe("calcYScrollbarDimension", function () {
                         const _elementWithScrollbarOnTheYAxisOriginalScrollPos = _getCurrentScrollPos(_elementWithScrollbarOnTheYAxis);
                         const _elementWithScrollbarOnTheXYAxesOriginalScrollPos = _getCurrentScrollPos(_elementWithScrollbarOnTheXYAxes);
 
-                        uss.setPageScroller(_pageScroller);
-
                         //Test the y-scrollbar's dimension of document.head's elements.
                         expect(uss.calcYScrollbarDimension(_head)).to.equal(0);
                         Array.from(_head.children).forEach(el => expect(uss.calcYScrollbarDimension(el)).to.equal(0));