diff --git a/Makefile.pl b/Makefile.pl
index 1e1d30d..b82ac5f 100755
--- a/Makefile.pl
+++ b/Makefile.pl
@@ -17,7 +17,6 @@ our $cflags  = "-fPIC -D_MILSKO";
 our $libdir  = "";
 our $ldflags = "";
 our $math    = "-lm";
-our $thread  = "-lpthread";
 our $shared  = "-shared";
 our $backend = "";
 
@@ -143,7 +142,7 @@ print(OUT "INCDIR = ${incdir}\n");
 print(OUT "CFLAGS = ${cflags}\n");
 print(OUT "LIBDIR = ${libdir}\n");
 print(OUT "LDFLAGS = ${ldflags}\n");
-print(OUT "LIBS = ${math} ${thread} ${libs}\n");
+print(OUT "LIBS = ${math} ${libs}\n");
 print(OUT "MATH = ${math}\n");
 print(OUT "SHARED = ${shared}\n");
 print(OUT "\n");
diff --git a/pl/ostype/Windows.pl b/pl/ostype/Windows.pl
index 5a00da4..98f6f4d 100644
--- a/pl/ostype/Windows.pl
+++ b/pl/ostype/Windows.pl
@@ -3,7 +3,6 @@ $library_prefix    = "";
 $library_suffix    = ".dll";
 $executable_suffix = ".exe";
 $math              = "";
-$thread            = "";
 add_ldflags("-Wl,--out-implib,src/libMw.a -static-libgcc");
 use_backend("gdi");