diff --git a/bundle.md b/bundle.md
index d874b993..6b9bcbd6 100644
--- a/bundle.md
+++ b/bundle.md
@@ -67,7 +67,6 @@ session:
     module: context-simple
     source: git+https://github.com/microsoft/amplifier-module-context-simple@main
     config:
-      max_tokens: 300000
       compact_threshold: 0.8
       auto_compact: true
 
diff --git a/bundles/anchors/bundle.md b/bundles/anchors/bundle.md
index 2a619d88..a8ba26dc 100644
--- a/bundles/anchors/bundle.md
+++ b/bundles/anchors/bundle.md
@@ -46,7 +46,6 @@ session:
     module: context-simple
     source: git+https://github.com/microsoft/amplifier-module-context-simple@main
     config:
-      max_tokens: 300000
       compact_threshold: 0.8
       auto_compact: true
 
diff --git a/experiments/delegation-only/bundle.md b/experiments/delegation-only/bundle.md
index fbc7ab1e..d36603b3 100644
--- a/experiments/delegation-only/bundle.md
+++ b/experiments/delegation-only/bundle.md
@@ -23,7 +23,6 @@ session:
     module: context-simple
     source: git+https://github.com/microsoft/amplifier-module-context-simple@main
     config:
-      max_tokens: 300000
       compact_threshold: 0.8
       auto_compact: true
 
diff --git a/experiments/exp-foundation.md b/experiments/exp-foundation.md
index 96351fdb..8137040a 100644
--- a/experiments/exp-foundation.md
+++ b/experiments/exp-foundation.md
@@ -51,7 +51,6 @@ session:
     module: context-simple
     source: git+https://github.com/microsoft/amplifier-module-context-simple@main
     config:
-      max_tokens: 300000
       compact_threshold: 0.8
       auto_compact: true
 
diff --git a/experiments/exp-lean/behaviors/lean-foundation.yaml b/experiments/exp-lean/behaviors/lean-foundation.yaml
index 9c483f7c..f736c799 100644
--- a/experiments/exp-lean/behaviors/lean-foundation.yaml
+++ b/experiments/exp-lean/behaviors/lean-foundation.yaml
@@ -19,7 +19,6 @@ session:
     module: context-simple
     source: git+https://github.com/microsoft/amplifier-module-context-simple@main
     config:
-      max_tokens: 300000
       compact_threshold: 0.8
       auto_compact: true
 
diff --git a/experiments/minimal-delegate/behaviors/minimal-delegate-foundation.yaml b/experiments/minimal-delegate/behaviors/minimal-delegate-foundation.yaml
index acebc64d..8a6394e7 100644
--- a/experiments/minimal-delegate/behaviors/minimal-delegate-foundation.yaml
+++ b/experiments/minimal-delegate/behaviors/minimal-delegate-foundation.yaml
@@ -41,6 +41,15 @@ session:
     module: context-simple
     source: git+https://github.com/microsoft/amplifier-module-context-simple@main
     config:
+      # A deliberately TIGHT budget -- this experiment is about how far a
+      # delegate-only head can get on very little context.
+      #
+      # This line existed before with the same value and never did anything:
+      # `max_tokens` used to be a fallback consulted only when a provider
+      # published no window, and the orchestrator always passes one. It is now
+      # a real cap, so the experiment finally runs at the size it asked for.
+      # Kept deliberately (nobody depends on this bundle today) so the 64k
+      # constraint can actually be measured.
       max_tokens: 64000
 
 # ONLY meta-tools — these gate access to other capabilities.