diff --git a/config/buildroot/wally-config.vh b/config/buildroot/wally-config.vh
index a42587d96..f8fdb61d2 100644
--- a/config/buildroot/wally-config.vh
+++ b/config/buildroot/wally-config.vh
@@ -42,7 +42,7 @@
 `define ZICOUNTERS_SUPPORTED 1
 `define COUNTERS 32
 `define ZFH_SUPPORTED 0
-`define SSTC_SUPPORTED 1
+`define SSTC_SUPPORTED 0
 
 // LSU microarchitectural Features
 `define BUS_SUPPORTED 1
diff --git a/config/fpga/wally-config.vh b/config/fpga/wally-config.vh
index 6f52e3e9a..ec3b268bd 100644
--- a/config/fpga/wally-config.vh
+++ b/config/fpga/wally-config.vh
@@ -43,7 +43,7 @@
 `define ZICOUNTERS_SUPPORTED 1
 `define ZFH_SUPPORTED 0
 `define COUNTERS 32
-`define SSTC_SUPPORTED 1
+`define SSTC_SUPPORTED 0
 
 // LSU microarchitectural Features
 `define BUS_SUPPORTED 1