diff --git a/src/eigensrc/twstats.c b/src/eigensrc/twstats.c
index d13d713..d580391 100644
--- a/src/eigensrc/twstats.c
+++ b/src/eigensrc/twstats.c
@@ -14,18 +14,6 @@ char *oname = NULL;
 
 char *twxtab = NULL;
 
-/**
- The Broad Institute
- SOFTWARE COPYRIGHT NOTICE AGREEMENT
- This software and its documentation are copyright <2006> by the
- Broad Institute/Massachusetts Institute of Technology. All rights are
- reserved.
-
- This software is supplied without any warranty or guaranteed support
- whatsoever. Neither the Broad Institute nor MIT can be responsible for
- its use, misuse, or functionality.
- */
-
 void
 readcommands (int argc, char **argv);
 
diff --git a/src/nicksrc/statsubs.c b/src/nicksrc/statsubs.c
index dbad1f6..83596d9 100644
--- a/src/nicksrc/statsubs.c
+++ b/src/nicksrc/statsubs.c
@@ -1242,7 +1242,7 @@ rtlchsq (int df, double z)
  Collected Algorithms for the CACM 1967 p. 243
  Updated for rounding errors based on remark in
  ACM TOMS June 1985, page 185
- Perlman.  No copyright
+ Perlman.
  */
 double
 pochisq (double x, int df)
@@ -1339,7 +1339,6 @@ critchi (int df, double p)
  Programmer:   Gary Perlman
  Organization: Wang Institute, Tyngsboro, MA 01879
  Tester:       compile with -DFTEST to include main program
- Copyright:    none
  Tabstops:     4
  */