diff --git a/src/libc_installation.zig b/src/libc_installation.zig
index 4fd55ab4e62d90265bc18fc8fc011db6c876c681..f9fb0cdb011d86225b49a80b5c0643b2818cf2cd 100644
--- a/src/libc_installation.zig
+++ b/src/libc_installation.zig
@@ -523,7 +523,7 @@ pub const CCPrintFileNameOptions = struct {
 };
 
 /// caller owns returned memory
-pub fn ccPrintFileName(args: CCPrintFileNameOptions) ![:0]u8 {
+fn ccPrintFileName(args: CCPrintFileNameOptions) ![:0]u8 {
     const allocator = args.allocator;
 
     const cc_exe = std.os.getenvZ("CC") orelse default_cc_exe;