diff --git a/meta/recipes-devtools/tcltk/tcl/run-ptest b/meta/recipes-devtools/tcltk/tcl/run-ptest
index 2135b17074..c8acb4846f 100644
--- a/meta/recipes-devtools/tcltk/tcl/run-ptest
+++ b/meta/recipes-devtools/tcltk/tcl/run-ptest
@@ -18,6 +18,9 @@ SKIP="$SKIP \*io-46.1"
 SKIP="$SKIP \*io-13.6"
 # 14825
 SKIP="$SKIP socket-\* socket_inet-\*"
+# These tests seem to be unreliable:
+# https://core.tcl-lang.org/tcl/tktview/3764f4e81f1483ab554c6d60f8483887bde28221
+SKIP="$SKIP http11-\*"
 # tries to access google.com
 SKIP="$SKIP httpProxy-\*"
 
diff --git a/meta/recipes-devtools/tcltk8/tcl8/run-ptest b/meta/recipes-devtools/tcltk8/tcl8/run-ptest
index dd46ebdeaa..687e06fa4b 100644
--- a/meta/recipes-devtools/tcltk8/tcl8/run-ptest
+++ b/meta/recipes-devtools/tcltk8/tcl8/run-ptest
@@ -19,6 +19,9 @@ SKIP="$SKIP \*io-46.1"
 SKIP="$SKIP \*io-13.6"
 # 14825
 SKIP="$SKIP socket-\* socket_inet-\*"
+# These tests seem to be unreliable:
+# https://core.tcl-lang.org/tcl/tktview/3764f4e81f1483ab554c6d60f8483887bde28221
+SKIP="$SKIP http11-\*"
 
 for i in tests/*.test; do
     i=$(basename $i)