diff --git a/t/move.t b/t/move.t
index 6779517..4ef0cbc 100644
--- a/t/move.t
+++ b/t/move.t
@@ -1,4 +1,5 @@
 use strict;
+use Config;
 use Filesys::Notify::Simple;
 use Test::More;
 use Test::SharedFork;
@@ -6,6 +7,12 @@ use File::Temp qw( tempdir );
 
 use FindBin;
 
+plan skip_all => "fork not supported on this platform"
+  unless $Config::Config{d_fork} || $Config::Config{d_pseudofork} ||
+    (($^O eq 'MSWin32' || $^O eq 'NetWare') and
+     $Config::Config{useithreads} and
+     $Config::Config{ccflags} =~ /-DPERL_IMPLICIT_SYS/);
+
 plan tests => 2;
 
 my $dir = tempdir( DIR => "$FindBin::Bin/x" );
diff --git a/t/rm_create.t b/t/rm_create.t
index 55dfd37..41ce486 100644
--- a/t/rm_create.t
+++ b/t/rm_create.t
@@ -1,4 +1,5 @@
 use strict;
+use Config;
 use Filesys::Notify::Simple;
 use Test::More;
 use Test::SharedFork;
@@ -7,6 +8,11 @@ use File::Temp qw( tempdir );
 
 my $dir = tempdir( DIR => "$FindBin::Bin/x" );
 
+plan skip_all => "fork not supported on this platform"
+  unless $Config::Config{d_fork} || $Config::Config{d_pseudofork} ||
+    (($^O eq 'MSWin32' || $^O eq 'NetWare') and
+     $Config::Config{useithreads} and
+     $Config::Config{ccflags} =~ /-DPERL_IMPLICIT_SYS/);
 
 plan tests => 2;