diff --git a/src/parser/util.rs b/src/parser/util.rs
index 8d4ce02..5770de4 100644
--- a/src/parser/util.rs
+++ b/src/parser/util.rs
@@ -1,5 +1,4 @@
 use nom::branch::alt;
-use nom::bytes::complete::is_a;
 use nom::character::complete::anychar;
 use nom::character::complete::line_ending;
 use nom::character::complete::none_of;
@@ -230,13 +229,6 @@ where
     }
 }
 
-/// Match at least one space character.
-///
-/// This is similar to nom's space1 parser except space1 matches both spaces and tabs whereas this only matches spaces.
-pub(crate) fn only_space1<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource<'s>> {
-    is_a(" ")(input)
-}
-
 /// Match single space or tab.
 ///
 /// In org-mode syntax, spaces and tabs are often (but not always!) interchangeable.