diff --git a/src/mzscheme/gc2/Makefile.in b/src/mzscheme/gc2/Makefile.in
index 6c3ccb8321..fd08b1cc0f 100644
--- a/src/mzscheme/gc2/Makefile.in
+++ b/src/mzscheme/gc2/Makefile.in
@@ -21,7 +21,7 @@ RANLIB = @RANLIB@
 
 CPPFLAGS = @PREFLAGS@ @OPTIONS@ @GC2OPTIONS@ @MZOPTIONS@ -I$(builddir)/.. -I$(srcdir)/../include
 CFLAGS = @CFLAGS@ $(CPPFLAGS) @COMPFLAGS@ @PROFFLAGS@
-LIBS = @LIBS@ -lpthread
+LIBS = @LIBS@
 
 DEF_COLLECTS_DIR = +D INITIAL_COLLECTS_DIRECTORY='"'"`cd $(srcdir)/../../../collects; pwd`"'"'