diff --git a/docs/src/content/docs/reference/frontmatter-full.md b/docs/src/content/docs/reference/frontmatter-full.md
index f3dac260916..519dc04e5cb 100644
--- a/docs/src/content/docs/reference/frontmatter-full.md
+++ b/docs/src/content/docs/reference/frontmatter-full.md
@@ -1158,10 +1158,6 @@ tools:
     # (optional)
     description: "Description of the workflow"
 
-    # Docker image to use for the memory MCP server (default: mcp/memory)
-    # (optional)
-    docker-image: "example-value"
-
     # Number of days to retain uploaded artifacts (1-90 days, default: repository
     # setting)
     # (optional)
diff --git a/pkg/parser/schema_test.go b/pkg/parser/schema_test.go
index 9ae4c0effb0..86496f386a9 100644
--- a/pkg/parser/schema_test.go
+++ b/pkg/parser/schema_test.go
@@ -1178,13 +1178,13 @@ func TestValidateIncludedFileFrontmatterWithSchema(t *testing.T) {
 			wantErr: false,
 		},
 		{
-			name: "valid frontmatter with cache-memory with all options",
+			name: "valid frontmatter with cache-memory with all valid options",
 			frontmatter: map[string]any{
 				"tools": map[string]any{
 					"cache-memory": map[string]any{
 						"key":            "custom-key",
 						"retention-days": 30,
-						"docker-image":   "custom/memory:latest",
+						"description":    "Test cache description",
 					},
 				},
 			},
@@ -1214,6 +1214,18 @@ func TestValidateIncludedFileFrontmatterWithSchema(t *testing.T) {
 			wantErr:     true,
 			errContains: "got 91, want 90",
 		},
+		{
+			name: "invalid cache-memory with unsupported docker-image field",
+			frontmatter: map[string]any{
+				"tools": map[string]any{
+					"cache-memory": map[string]any{
+						"docker-image": "custom/memory:latest",
+					},
+				},
+			},
+			wantErr:     true,
+			errContains: "additional properties 'docker-image' not allowed",
+		},
 		{
 			name: "invalid cache-memory with additional property",
 			frontmatter: map[string]any{
diff --git a/pkg/parser/schemas/included_file_schema.json b/pkg/parser/schemas/included_file_schema.json
index 2f71d66c675..100fef29c9b 100644
--- a/pkg/parser/schemas/included_file_schema.json
+++ b/pkg/parser/schemas/included_file_schema.json
@@ -120,10 +120,6 @@
                   "type": "string",
                   "description": "Optional description for the cache that will be shown in the agent prompt"
                 },
-                "docker-image": {
-                  "type": "string",
-                  "description": "Docker image to use for the memory MCP server (default: mcp/memory)"
-                },
                 "retention-days": {
                   "type": "integer",
                   "minimum": 1,
diff --git a/pkg/parser/schemas/main_workflow_schema.json b/pkg/parser/schemas/main_workflow_schema.json
index 98b1de1d217..1973beb1559 100644
--- a/pkg/parser/schemas/main_workflow_schema.json
+++ b/pkg/parser/schemas/main_workflow_schema.json
@@ -2038,10 +2038,6 @@
                   "type": "string",
                   "description": "Optional description for the cache that will be shown in the agent prompt"
                 },
-                "docker-image": {
-                  "type": "string",
-                  "description": "Docker image to use for the memory MCP server (default: mcp/memory)"
-                },
                 "retention-days": {
                   "type": "integer",
                   "minimum": 1,