diff --git a/src/processor/basic_source_line_resolver.cc b/src/processor/basic_source_line_resolver.cc
index ff57140f..a0ce8e6d 100644
--- a/src/processor/basic_source_line_resolver.cc
+++ b/src/processor/basic_source_line_resolver.cc
@@ -37,7 +37,6 @@
 #include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#include <unistd.h>
 
 #include <map>
 #include <utility>