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diff --git a/move_semantics/move_semantics1.rs b/move_semantics/move_semantics1.rs
index 73dc0ab1..37038ecd 100644
--- a/move_semantics/move_semantics1.rs
+++ b/move_semantics/move_semantics1.rs
@@ -1,7 +1,7 @@
 // move_semantics1.rs
 // Make me compile! Scroll down for hints :)
 
-pub fn main() {
+fn main() {
     let vec0 = Vec::new();
 
     let vec1 = fill_vec(vec0);
diff --git a/move_semantics/move_semantics2.rs b/move_semantics/move_semantics2.rs
index bc42d8ec..b50e3497 100644
--- a/move_semantics/move_semantics2.rs
+++ b/move_semantics/move_semantics2.rs
@@ -1,7 +1,7 @@
 // move_semantics2.rs
 // Make me compile without changing line 10! Scroll down for hints :)
 
-pub fn main() {
+fn main() {
     let vec0 = Vec::new();
 
     let mut vec1 = fill_vec(vec0);
diff --git a/move_semantics/move_semantics3.rs b/move_semantics/move_semantics3.rs
index 7805d442..8e7b0ad9 100644
--- a/move_semantics/move_semantics3.rs
+++ b/move_semantics/move_semantics3.rs
@@ -3,7 +3,7 @@
 // (no lines with multiple semicolons necessary!)
 // Scroll down for hints :)
 
-pub fn main() {
+fn main() {
     let vec0 = Vec::new();
 
     let mut vec1 = fill_vec(vec0);
diff --git a/move_semantics/move_semantics4.rs b/move_semantics/move_semantics4.rs
index 2b1ed8aa..903a330f 100644
--- a/move_semantics/move_semantics4.rs
+++ b/move_semantics/move_semantics4.rs
@@ -3,7 +3,7 @@
 // in `fn main`, we instead create it within `fn fill_vec` and transfer the
 // freshly created vector from fill_vec to its caller. Scroll for hints!
 
-pub fn main() {
+fn main() {
     let vec0 = Vec::new();
 
     let mut vec1 = fill_vec(vec0);