diff --git a/svg.cpp b/svg.cpp
index 2fcfa13..7b1ccd0 100644
--- a/svg.cpp
+++ b/svg.cpp
@@ -5,14 +5,6 @@
 
 using namespace std;
 
-bool
-check_width(double width) {
-    if (width >= 3 && width <= 30)
-        return true;
-    else
-        return false;
-}
-
 void
 svg_text(double left, double baseline, string text) {
     cout << "<text x='" << left
@@ -55,16 +47,8 @@ show_histogram_svg(const vector<size_t>& bins) {
     const auto TEXT_BASELINE = 20;
     const auto TEXT_WIDTH = 50;
     const auto BIN_HEIGHT = 30;
-    double BLOCK_WIDTH = 0;
+    const auto BLOCK_WIDTH = 10;
     const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
-    cerr << "Enter block width: ";
-    cin >> BLOCK_WIDTH;
-    bool check = check_width(BLOCK_WIDTH);
-    while (!check) {
-    cerr << "Incorrectly enter. The block width must be >= 3px and <= 30 px. Please try again." << endl;
-    cin >> BLOCK_WIDTH;
-    check = check_width(BLOCK_WIDTH);
-    }
     size_t max_count = 0;
     for (size_t x : bins) {
         if (x > max_count) {
diff --git a/unittest.cpp b/unittest.cpp
index dbbf756..5c3f8bd 100644
--- a/unittest.cpp
+++ b/unittest.cpp
@@ -2,7 +2,6 @@
 #define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
 #include "doctest.h"
 #include "histogram_internal.h"
-#include "svg_internal.h"
 
 TEST_CASE("distinct positive numbers") {
     double min = 0;
@@ -53,13 +52,3 @@ TEST_CASE("empty vector") {
     CHECK(min == 0);
     CHECK(max == 0);
 }
-
-TEST_CASE("correct block width") {
-    bool check = check_width(23.5);
-    CHECK(check == true);
-}
-
-TEST_CASE("incorrect block width") {
-    bool check = check_width(59);
-    CHECK(check == false);
-}