diff --git a/src/spicelib/devices/bsim2/b2temp.c b/src/spicelib/devices/bsim2/b2temp.c
index 6f1c826c7..35fdad0d0 100644
--- a/src/spicelib/devices/bsim2/b2temp.c
+++ b/src/spicelib/devices/bsim2/b2temp.c
@@ -46,6 +46,13 @@ B2temp(GENmodel *inModel, CKTcircuit *ckt)
 	model->B2vgg2 = 2.0 * model->B2vgg;
 	model->B2vbb2 = 2.0 * model->B2vbb;
 	model->B2Vtm = 8.625e-5 * (model->B2temp + 273.0);
+
+        struct bsim2SizeDependParam *p = model->pSizeDependParamKnot;
+        while (p) {
+            struct bsim2SizeDependParam *next_p = p->pNext;
+            FREE(p);
+            p = next_p;
+        }
 	model->pSizeDependParamKnot = NULL;
 	pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim3soi_dd/b3soiddtemp.c b/src/spicelib/devices/bsim3soi_dd/b3soiddtemp.c
index 2f49556ef..e31f39903 100644
--- a/src/spicelib/devices/bsim3soi_dd/b3soiddtemp.c
+++ b/src/spicelib/devices/bsim3soi_dd/b3soiddtemp.c
@@ -50,6 +50,13 @@ int Size_Not_Found;
     {    Temp = ckt->CKTtemp;
          if (model->B3SOIDDGatesidewallJctPotential < 0.1)
              model->B3SOIDDGatesidewallJctPotential = 0.1;
+
+        struct b3soiddSizeDependParam *p = model->pSizeDependParamKnot;
+        while (p) {
+            struct b3soiddSizeDependParam *next_p = p->pNext;
+            FREE(p);
+            p = next_p;
+        }
          model->pSizeDependParamKnot = NULL;
 	 pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim3soi_fd/b3soifdtemp.c b/src/spicelib/devices/bsim3soi_fd/b3soifdtemp.c
index b1433d857..3fb6eae40 100644
--- a/src/spicelib/devices/bsim3soi_fd/b3soifdtemp.c
+++ b/src/spicelib/devices/bsim3soi_fd/b3soifdtemp.c
@@ -49,6 +49,13 @@ int Size_Not_Found;
     {    Temp = ckt->CKTtemp;
          if (model->B3SOIFDGatesidewallJctPotential < 0.1)
              model->B3SOIFDGatesidewallJctPotential = 0.1;
+
+        struct b3soifdSizeDependParam *p = model->pSizeDependParamKnot;
+        while (p) {
+            struct b3soifdSizeDependParam *next_p = p->pNext;
+            FREE(p);
+            p = next_p;
+        }
          model->pSizeDependParamKnot = NULL;
 	 pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim3soi_pd/b3soipdtemp.c b/src/spicelib/devices/bsim3soi_pd/b3soipdtemp.c
index 0d4f15e16..4e7d04c66 100644
--- a/src/spicelib/devices/bsim3soi_pd/b3soipdtemp.c
+++ b/src/spicelib/devices/bsim3soi_pd/b3soipdtemp.c
@@ -68,6 +68,13 @@ double tmp3, T7;
     {    Temp = ckt->CKTtemp;
          if (model->B3SOIPDGatesidewallJctPotential < 0.1)
              model->B3SOIPDGatesidewallJctPotential = 0.1;
+
+        struct b3soipdSizeDependParam *p = model->pSizeDependParamKnot;
+        while (p) {
+            struct b3soipdSizeDependParam *next_p = p->pNext;
+            FREE(p);
+            p = next_p;
+        }
          model->pSizeDependParamKnot = NULL;
 	 pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim3v0/b3v0temp.c b/src/spicelib/devices/bsim3v0/b3v0temp.c
index a5bab526d..d5ab05c1b 100644
--- a/src/spicelib/devices/bsim3v0/b3v0temp.c
+++ b/src/spicelib/devices/bsim3v0/b3v0temp.c
@@ -42,6 +42,13 @@ int Size_Not_Found;
 	     model->BSIM3v0bulkJctPotential = 0.1;
          if (model->BSIM3v0sidewallJctPotential < 0.1)
              model->BSIM3v0sidewallJctPotential = 0.1;
+
+         struct bsim3v0SizeDependParam *p = model->pSizeDependParamKnot;
+         while (p) {
+             struct bsim3v0SizeDependParam *next_p = p->pNext;
+             FREE(p);
+             p = next_p;
+         }
          model->pSizeDependParamKnot = NULL;
 	 pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim3v1/b3v1temp.c b/src/spicelib/devices/bsim3v1/b3v1temp.c
index f8b0bc0d7..f4e7e913e 100644
--- a/src/spicelib/devices/bsim3v1/b3v1temp.c
+++ b/src/spicelib/devices/bsim3v1/b3v1temp.c
@@ -51,6 +51,13 @@ int Size_Not_Found;
              model->BSIM3v1sidewallJctPotential = 0.1;
          if (model->BSIM3v1GatesidewallJctPotential < 0.1)
              model->BSIM3v1GatesidewallJctPotential = 0.1;
+
+         struct bsim3v1SizeDependParam *p = model->pSizeDependParamKnot;
+         while (p) {
+             struct bsim3v1SizeDependParam *next_p = p->pNext;
+             FREE(p);
+             p = next_p;
+         }
          model->pSizeDependParamKnot = NULL;
 	 pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim3v32/b3v32temp.c b/src/spicelib/devices/bsim3v32/b3v32temp.c
index e969c3087..18550edf6 100644
--- a/src/spicelib/devices/bsim3v32/b3v32temp.c
+++ b/src/spicelib/devices/bsim3v32/b3v32temp.c
@@ -55,6 +55,13 @@ int Size_Not_Found, error;
          {   model->BSIM3v32GatesidewallJctPotential = 0.1;
              fprintf(stderr, "Given pbswg is less than 0.1. Pbswg is set to 0.1.\n");
          }
+
+         struct bsim3v32SizeDependParam *p = model->pSizeDependParamKnot;
+         while (p) {
+             struct bsim3v32SizeDependParam *next_p = p->pNext;
+             FREE(p);
+             p = next_p;
+         }
          model->pSizeDependParamKnot = NULL;
          pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim4/b4temp.c b/src/spicelib/devices/bsim4/b4temp.c
index 5c4cd12a1..de0aee17c 100644
--- a/src/spicelib/devices/bsim4/b4temp.c
+++ b/src/spicelib/devices/bsim4/b4temp.c
@@ -220,6 +220,13 @@ int Size_Not_Found, i;
          }
          if (!model->BSIM4cgboGiven)
              model->BSIM4cgbo = 2.0 * model->BSIM4dwc * model->BSIM4coxe;
+
+         struct bsim4SizeDependParam *p = model->pSizeDependParamKnot;
+         while (p) {
+             struct bsim4SizeDependParam *next_p = p->pNext;
+             FREE(p);
+             p = next_p;
+         }
          model->pSizeDependParamKnot = NULL;
          pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim4v5/b4v5temp.c b/src/spicelib/devices/bsim4v5/b4v5temp.c
index aa2fdc3eb..13792f397 100644
--- a/src/spicelib/devices/bsim4v5/b4v5temp.c
+++ b/src/spicelib/devices/bsim4v5/b4v5temp.c
@@ -138,6 +138,13 @@ int Size_Not_Found, i;
          }
          if (!model->BSIM4v5cgboGiven)
              model->BSIM4v5cgbo = 2.0 * model->BSIM4v5dwc * model->BSIM4v5coxe;
+
+         struct bsim4v5SizeDependParam *p = model->pSizeDependParamKnot;
+         while (p) {
+             struct bsim4v5SizeDependParam *next_p = p->pNext;
+             FREE(p);
+             p = next_p;
+         }
          model->pSizeDependParamKnot = NULL;
          pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim4v6/b4v6temp.c b/src/spicelib/devices/bsim4v6/b4v6temp.c
index 804ae78f4..daa46ef52 100644
--- a/src/spicelib/devices/bsim4v6/b4v6temp.c
+++ b/src/spicelib/devices/bsim4v6/b4v6temp.c
@@ -163,6 +163,13 @@ int Size_Not_Found, i;
          }
          if (!model->BSIM4v6cgboGiven)
              model->BSIM4v6cgbo = 2.0 * model->BSIM4v6dwc * model->BSIM4v6coxe;
+
+         struct bsim4v6SizeDependParam *p = model->pSizeDependParamKnot;
+         while (p) {
+             struct bsim4v6SizeDependParam *next_p = p->pNext;
+             FREE(p);
+             p = next_p;
+         }
          model->pSizeDependParamKnot = NULL;
          pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsim4v7/b4v7temp.c b/src/spicelib/devices/bsim4v7/b4v7temp.c
index 2cbc3f477..588fd5c98 100644
--- a/src/spicelib/devices/bsim4v7/b4v7temp.c
+++ b/src/spicelib/devices/bsim4v7/b4v7temp.c
@@ -184,6 +184,13 @@ int Size_Not_Found, i;
          }
          if (!model->BSIM4v7cgboGiven)
              model->BSIM4v7cgbo = 2.0 * model->BSIM4v7dwc * model->BSIM4v7coxe;
+
+         struct bsim4SizeDependParam *p = model->pSizeDependParamKnot;
+         while (p) {
+             struct bsim4SizeDependParam *next_p = p->pNext;
+             FREE(p);
+             p = next_p;
+         }
          model->pSizeDependParamKnot = NULL;
          pLastKnot = NULL;
 
diff --git a/src/spicelib/devices/bsimsoi/b4soitemp.c b/src/spicelib/devices/bsimsoi/b4soitemp.c
index 6d617cd67..6d36b5586 100644
--- a/src/spicelib/devices/bsimsoi/b4soitemp.c
+++ b/src/spicelib/devices/bsimsoi/b4soitemp.c
@@ -89,6 +89,13 @@ B4SOItemp(
             model->B4SOIGatesidewallJctSPotential = 0.1;
         if (model->B4SOIGatesidewallJctDPotential < 0.1)        /* v4.0 */
             model->B4SOIGatesidewallJctDPotential = 0.1;
+
+        struct b4soiSizeDependParam *p = model->pSizeDependParamKnot;
+        while (p) {
+            struct b4soiSizeDependParam *next_p = p->pNext;
+            FREE(p);
+            p = next_p;
+        }
         model->pSizeDependParamKnot = NULL;
         pLastKnot = NULL;