diff --git a/versions/z3-crsat-0.01.txt b/versions/z3-crsat-0.01.txt
deleted file mode 100644
index 49e1a1525..000000000
--- a/versions/z3-crsat-0.01.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-More focused (_FOCUS_ == 2) WalkSAT version.
-Variables are chosen among candidates in only one unsatisfied bit-vector term.
-Flip rate slightly slower; probably due to larger hash-table and recursive formula structure.
-No restarts.
-
-#define _CNF_ 0
-#define _BFS_ 1
-#define _FOCUS_ 3
-#define _RESTARTS_ 0
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 0
-#define _SCORE_OR_MUL_ 0
\ No newline at end of file
diff --git a/versions/z3-gsat-0.01.txt b/versions/z3-gsat-0.01.txt
deleted file mode 100644
index eb806a67f..000000000
--- a/versions/z3-gsat-0.01.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-Basic GSAT version.
-No restarts.
-
-#define _CNF_ 0
-#define _BFS_ 0
-#define _FOCUS_ 0
-#define _RESTARTS_ 0
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 0
-#define _SCORE_OR_MUL_ 0
\ No newline at end of file
diff --git a/versions/z3-gsat-res-0.01.txt b/versions/z3-gsat-res-0.01.txt
deleted file mode 100644
index 6a211f2bc..000000000
--- a/versions/z3-gsat-res-0.01.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-Basic GSAT version corresponding to Christoph's original code.
-Restarts after 100 plateaus.
-
-#define _CNF_ 0
-#define _BFS_ 0
-#define _FOCUS_ 0
-#define _RESTARTS_ 1
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 0
-#define _SCORE_OR_MUL_ 0
\ No newline at end of file
diff --git a/versions/z3-wsat-0.01.txt b/versions/z3-wsat-0.01.txt
deleted file mode 100644
index fec38518d..000000000
--- a/versions/z3-wsat-0.01.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-Basic WalkSAT version.
-Variables are chosen among candidates in only ONE top level assertion.
-Flip rate increased by roughly 10%-300%.
-No restarts.
-
-#define _CNF_ 0
-#define _BFS_ 1
-#define _FOCUS_ 1
-#define _RESTARTS_ 0
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 0
-#define _SCORE_OR_MUL_ 0
-
-BUGGY VERSION! Uses wrong value for modulo operation in assertion selection.
\ No newline at end of file
diff --git a/versions/z3-wsat-0.01b.txt b/versions/z3-wsat-0.01b.txt
deleted file mode 100644
index 8bcf2ffeb..000000000
--- a/versions/z3-wsat-0.01b.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-Basic WalkSAT version.
-Variables are chosen among candidates in only ONE top level assertion.
-Chooses a random top level assertion instead of using a BFS approach (_BFS_ == 0).
-No restarts.
-
-#define _CNF_ 0
-#define _BFS_ 0
-#define _FOCUS_ 1
-#define _RESTARTS_ 0
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 0
-#define _SCORE_OR_MUL_ 0
-
-BUGGY VERSION! Uses wrong value for modulo operation in assertion selection.
\ No newline at end of file
diff --git a/versions/z3-wsat-0.01c.txt b/versions/z3-wsat-0.01c.txt
deleted file mode 100644
index 223560e08..000000000
--- a/versions/z3-wsat-0.01c.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-Basic WalkSAT version.
-Variables are chosen among candidates in only ONE top level assertion.
-AND is scored by average; OR is scored by inverse multiplication.
-No restarts.
-
-#define _CNF_ 0
-#define _BFS_ 1
-#define _FOCUS_ 1
-#define _RESTARTS_ 0
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 1
-#define _SCORE_OR_MUL_ 1
\ No newline at end of file
diff --git a/versions/z3-wsat-0.01d.txt b/versions/z3-wsat-0.01d.txt
deleted file mode 100644
index 072191370..000000000
--- a/versions/z3-wsat-0.01d.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-Basic WalkSAT version.
-Variables are chosen among candidates in only ONE top level assertion with MINIMAL top_score.
-No restarts.
-
-#define _CNF_ 0
-#define _BFS_ 2
-#define _FOCUS_ 1
-#define _RESTARTS_ 0
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 0
-#define _SCORE_OR_MUL_ 0
\ No newline at end of file
diff --git a/versions/z3-wsat-0.01e.txt b/versions/z3-wsat-0.01e.txt
deleted file mode 100644
index b018c5e0d..000000000
--- a/versions/z3-wsat-0.01e.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-Basic WalkSAT version.
-Variables are chosen among candidates in only ONE top level assertion with MAXIMAL top_score.
-No restarts.
-
-#define _CNF_ 0
-#define _BFS_ 3
-#define _FOCUS_ 1
-#define _RESTARTS_ 0
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 0
-#define _SCORE_OR_MUL_ 0
\ No newline at end of file
diff --git a/versions/z3-wsat-0.02.txt b/versions/z3-wsat-0.02.txt
deleted file mode 100644
index 34dcb157c..000000000
--- a/versions/z3-wsat-0.02.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-Basic WalkSAT version.
-Variables are chosen among candidates in only ONE top level assertion.
-Score function reduced to 0/1.
-No restarts.
-
-#define _CNF_ 0
-#define _BFS_ 1
-#define _FOCUS_ 1
-#define _RESTARTS_ 0
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 0
-#define _SCORE_OR_MUL_ 0
-#define _WEIGHTED_DIST_ 1
\ No newline at end of file
diff --git a/versions/z3-wsat-res-0.01.txt b/versions/z3-wsat-res-0.01.txt
deleted file mode 100644
index 575180a59..000000000
--- a/versions/z3-wsat-res-0.01.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-Basic WalkSAT version.
-Variables are chosen among candidates in only ONE top level assertion.
-Flip rate increased by roughly 10%-300% compared to GSAT.
-Restarts after 100 plateaus.
-Fps slightly decreased due to restarts. 
-
-#define _CNF_ 0
-#define _BFS_ 1
-#define _FOCUS_ 1
-#define _RESTARTS_ 1
-#define _TIMELIMIT_ 300
-#define _SCORE_AND_AVG_ 0
-#define _SCORE_OR_MUL_ 0
\ No newline at end of file