diff --git a/pkg/cmab/config.go b/pkg/cmab/config.go
index ab4c8830..9118b380 100644
--- a/pkg/cmab/config.go
+++ b/pkg/cmab/config.go
@@ -24,8 +24,9 @@ import (
 )
 
 const (
-	// DefaultCacheSize is the default size for CMAB cache
-	DefaultCacheSize = 1000
+	// DefaultCacheSize is the default size for CMAB cache (aligned with ODP segments cache)
+	DefaultCacheSize = 10000
+
 	// DefaultCacheTTL is the default TTL for CMAB cache (30 minutes to match agent)
 	DefaultCacheTTL = 30 * time.Minute
 
diff --git a/pkg/cmab/config_test.go b/pkg/cmab/config_test.go
index 756e2fc7..16d28e63 100644
--- a/pkg/cmab/config_test.go
+++ b/pkg/cmab/config_test.go
@@ -18,7 +18,6 @@ package cmab
 
 import (
 	"testing"
-	"time"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -33,9 +32,3 @@ func TestNewDefaultConfig(t *testing.T) {
 	assert.Equal(t, DefaultMaxRetries, config.RetryConfig.MaxRetries)
 	assert.Nil(t, config.Cache) // Should be nil by default
 }
-
-func TestDefaultConstants(t *testing.T) {
-	assert.Equal(t, 1000, DefaultCacheSize)
-	assert.Equal(t, 30*time.Minute, DefaultCacheTTL)
-	assert.Equal(t, 10*time.Second, DefaultHTTPTimeout)
-}