diff --git a/configure b/configure
index d07fb2121..a97d74563 100755
--- a/configure
+++ b/configure
@@ -4058,22 +4058,12 @@ if test "${with_junit+set}" = set; then :
 fi
 
 
-if test "$tabling" = yes -o "$orparallelism" = yes -o "$threads" = yes
-then
-  $as_echo "#define MinHeapSpace (1000*SIZEOF_INT_P)" >>confdefs.h
+$as_echo "#define MinHeapSpace (1000*SIZEOF_INT_P)" >>confdefs.h
 
-  $as_echo "#define MinStackSpace (300*SIZEOF_INT_P)" >>confdefs.h
+$as_echo "#define MinStackSpace (300*SIZEOF_INT_P)" >>confdefs.h
 
-  $as_echo "#define MinTrailSpace ( 48*SIZEOF_INT_P)" >>confdefs.h
+$as_echo "#define MinTrailSpace ( 48*SIZEOF_INT_P)" >>confdefs.h
 
-else
-  $as_echo "#define MinHeapSpace (300*SIZEOF_INT_P)" >>confdefs.h
-
-  $as_echo "#define MinStackSpace (200*SIZEOF_INT_P)" >>confdefs.h
-
-  $as_echo "#define MinTrailSpace ( 32*SIZEOF_INT_P)" >>confdefs.h
-
-fi
 
 cat >>confdefs.h <<_ACEOF
 #define DefHeapSpace $yap_cv_heap_space
diff --git a/configure.in b/configure.in
index 44c0c64e5..9946a194f 100755
--- a/configure.in
+++ b/configure.in
@@ -340,16 +340,9 @@ AC_ARG_WITH(junit, [  --with-junit=PATH	  Specify location of the junit JAR file
 			;;
 	     esac])
 
-if test "$tabling" = yes -o "$orparallelism" = yes -o "$threads" = yes
-then
-  AC_DEFINE(MinHeapSpace, (1000*SIZEOF_INT_P))
-  AC_DEFINE(MinStackSpace,(300*SIZEOF_INT_P)) 
-  AC_DEFINE(MinTrailSpace,( 48*SIZEOF_INT_P))
-else
-  AC_DEFINE(MinHeapSpace, (300*SIZEOF_INT_P))
-  AC_DEFINE(MinStackSpace,(200*SIZEOF_INT_P))
-  AC_DEFINE(MinTrailSpace,( 32*SIZEOF_INT_P))
-fi
+AC_DEFINE(MinHeapSpace, (1000*SIZEOF_INT_P))
+AC_DEFINE(MinStackSpace,(300*SIZEOF_INT_P)) 
+AC_DEFINE(MinTrailSpace,( 48*SIZEOF_INT_P))
 
 AC_DEFINE_UNQUOTED(DefHeapSpace,$yap_cv_heap_space)
 AC_DEFINE_UNQUOTED(DefStackSpace,$yap_cv_stack_space)