diff --git a/misc-utils/whereis.1 b/misc-utils/whereis.1
index 08e351cec..2ecc70f21 100644
--- a/misc-utils/whereis.1
+++ b/misc-utils/whereis.1
@@ -42,11 +42,7 @@ whereis \- locate the binary, source, and manual page files for a command
 .SH DESCRIPTION
 .B whereis
 locates the binary, source and manual files for the specified command names.
-The supplied names are first stripped of leading pathname components and any
-(single) trailing extension of the form
-.BI . ext
-(for example:
-.BR .c )
+The supplied names are first stripped of leading pathname components.
 Prefixes of
 .B s.
 resulting from use of source code control are also dealt with.
diff --git a/misc-utils/whereis.c b/misc-utils/whereis.c
index e3e480bdc..d94e25a58 100644
--- a/misc-utils/whereis.c
+++ b/misc-utils/whereis.c
@@ -469,9 +469,6 @@ static void lookup(const char *pattern, struct wh_dirlist *ls, int want)
 				want & BIN_DIR ? "bin" : "",
 				want & MAN_DIR ? "man" : "",
 				want & SRC_DIR ? "src" : ""));
-	p = strrchr(patbuf, '.');
-	if (p)
-		*p = '\0';
 
 	if (!uflag)
 		/* if -u not specified then we always print the pattern */