diff --git a/src/compare/sexp.rs b/src/compare/sexp.rs
index d06bbf0a..0cd558ec 100644
--- a/src/compare/sexp.rs
+++ b/src/compare/sexp.rs
@@ -106,8 +106,8 @@ fn is_slice_of(parent: &str, child: &str) -> bool {
 }
 
 /// Get a slice of the string that was consumed in a parser using the original input to the parser and the remaining input after the parser.
-pub fn get_consumed<'s>(input: &'s str, remaining: &'s str) -> &'s str {
-    assert!(is_slice_of(input, remaining));
+fn get_consumed<'s>(input: &'s str, remaining: &'s str) -> &'s str {
+    debug_assert!(is_slice_of(input, remaining));
     let source = {
         let offset = remaining.as_ptr() as usize - input.as_ptr() as usize;
         &input[..offset]
diff --git a/src/parser/org_source.rs b/src/parser/org_source.rs
index f38b85da..9f8c0f65 100644
--- a/src/parser/org_source.rs
+++ b/src/parser/org_source.rs
@@ -72,8 +72,8 @@ impl<'s> OrgSource<'s> {
     }
 
     pub(crate) fn get_until(&self, other: OrgSource<'s>) -> OrgSource<'s> {
-        assert!(other.start >= self.start);
-        assert!(other.end <= self.end);
+        debug_assert!(other.start >= self.start);
+        debug_assert!(other.end <= self.end);
         self.slice(..(other.start - self.start))
     }