diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 68c9f3f..7d9f7fe 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -13892,7 +13892,7 @@
 
 requires_openssl_tls1_3
 run_test    "Client Handshake defragmentation (256)" \
-            "$O_NEXT_SRV -mtu 32 -split_send_frag 256 " \
+            "$O_NEXT_SRV -split_send_frag 256 " \
             "$P_CLI debug_level=4 " \
             0 \
             -c "<= handshake" \
@@ -13900,7 +13900,7 @@
 
 requires_openssl_tls1_3
 run_test    "Client Handshake defragmentation (128)" \
-            "$O_NEXT_SRV -mtu 32 -split_send_frag 128 " \
+            "$O_NEXT_SRV -split_send_frag 128 " \
             "$P_CLI debug_level=4 " \
             0 \
             -c "<= handshake" \
@@ -13908,7 +13908,7 @@
 
 requires_openssl_tls1_3
 run_test    "Client Handshake defragmentation (64)" \
-            "$O_NEXT_SRV -mtu 32 -split_send_frag 64 " \
+            "$O_NEXT_SRV -split_send_frag 64 " \
             "$P_CLI debug_level=4 " \
             0 \
             -c "<= handshake" \
@@ -13916,7 +13916,7 @@
 
 requires_openssl_tls1_3
 run_test    "Client Handshake defragmentation (36)" \
-            "$O_NEXT_SRV -mtu 32 -split_send_frag 36 " \
+            "$O_NEXT_SRV -split_send_frag 36 " \
             "$P_CLI debug_level=4 " \
             0 \
             -c "<= handshake" \
@@ -13924,7 +13924,7 @@
 
 requires_openssl_tls1_3
 run_test    "Client Handshake defragmentation (32)" \
-            "$O_NEXT_SRV -mtu 32 -split_send_frag 32 " \
+            "$O_NEXT_SRV -split_send_frag 32 " \
             "$P_CLI debug_level=4 " \
             0 \
             -c "<= handshake" \
@@ -13932,7 +13932,7 @@
 
 requires_openssl_tls1_3
 run_test    "Client Handshake defragmentation (16)" \
-            "$O_NEXT_SRV -mtu 32 -split_send_frag 16 " \
+            "$O_NEXT_SRV -split_send_frag 16 " \
             "$P_CLI debug_level=4 " \
             0 \
             -c "<= handshake" \
@@ -13940,7 +13940,7 @@
 
 requires_openssl_tls1_3
 run_test    "Client Handshake defragmentation (13)" \
-            "$O_NEXT_SRV -mtu 32 -split_send_frag 13 " \
+            "$O_NEXT_SRV -split_send_frag 13 " \
             "$P_CLI debug_level=4 " \
             0 \
             -c "<= handshake" \
@@ -13948,7 +13948,7 @@
 
 requires_openssl_tls1_3
 run_test    "Client Handshake defragmentation (5)" \
-            "$O_NEXT_SRV -mtu 32 -split_send_frag 5 " \
+            "$O_NEXT_SRV -split_send_frag 5 " \
             "$P_CLI debug_level=4 " \
             0 \
             -c "<= handshake" \
@@ -13973,7 +13973,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (256)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 256 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
+            "$O_NEXT_CLI -split_send_frag 256 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -13981,7 +13981,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (128)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 128 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
+            "$O_NEXT_CLI -split_send_frag 128 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -13989,7 +13989,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (64)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 64 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
+            "$O_NEXT_CLI -split_send_frag 64 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -13997,7 +13997,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (36)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 36 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
+            "$O_NEXT_CLI -split_send_frag 36 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -14005,7 +14005,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (32)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 32 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
+            "$O_NEXT_CLI -split_send_frag 32 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -14013,7 +14013,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (16)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 16 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
+            "$O_NEXT_CLI -split_send_frag 16 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -14021,7 +14021,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (13)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 13 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
+            "$O_NEXT_CLI -split_send_frag 13 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "
@@ -14029,7 +14029,7 @@
 requires_openssl_tls1_3
 run_test    "Server Handshake defragmentation (5)" \
             "$P_SRV debug_level=4 " \
-            "$O_NEXT_CLI -mtu 32 -split_send_frag 5 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
+            "$O_NEXT_CLI -split_send_frag 5 -cert $DATA_FILES_PATH/server5.crt -key $DATA_FILES_PATH/server5.key" \
             0 \
             -s "<= handshake" \
             -s "handshake fragment: "