diff --git a/internal/pushrules/default_content.go b/internal/pushrules/default_content.go
index 8982dd587..ce78194c3 100644
--- a/internal/pushrules/default_content.go
+++ b/internal/pushrules/default_content.go
@@ -16,12 +16,6 @@ func mRuleContainsUserNameDefinition(localpart string) *Rule {
 		Default: true,
 		Enabled: true,
 		Pattern: localpart,
-		Conditions: []*Condition{
-			{
-				Kind: EventMatchCondition,
-				Key:  "content.body",
-			},
-		},
 		Actions: []*Action{
 			{Kind: NotifyAction},
 			{
@@ -32,7 +26,6 @@ func mRuleContainsUserNameDefinition(localpart string) *Rule {
 			{
 				Kind:  SetTweakAction,
 				Tweak: HighlightTweak,
-				Value: true,
 			},
 		},
 	}
diff --git a/internal/pushrules/default_override.go b/internal/pushrules/default_override.go
index a9788df2f..f8a916564 100644
--- a/internal/pushrules/default_override.go
+++ b/internal/pushrules/default_override.go
@@ -22,6 +22,7 @@ const (
 	MRuleTombstone           = ".m.rule.tombstone"
 	MRuleRoomNotif           = ".m.rule.roomnotif"
 	MRuleReaction            = ".m.rule.reaction"
+	MRuleRoomACLs            = ".m.rule.room.server_acl"
 )
 
 var (
@@ -73,7 +74,6 @@ var (
 			{
 				Kind:  SetTweakAction,
 				Tweak: HighlightTweak,
-				Value: true,
 			},
 		},
 	}
@@ -98,10 +98,27 @@ var (
 			{
 				Kind:  SetTweakAction,
 				Tweak: HighlightTweak,
-				Value: true,
 			},
 		},
 	}
+	mRuleACLsDefinition = Rule{
+		RuleID:  MRuleRoomACLs,
+		Default: true,
+		Enabled: true,
+		Conditions: []*Condition{
+			{
+				Kind:    EventMatchCondition,
+				Key:     "type",
+				Pattern: "m.room.server_acl",
+			},
+			{
+				Kind:    EventMatchCondition,
+				Key:     "state_key",
+				Pattern: "",
+			},
+		},
+		Actions: []*Action{},
+	}
 	mRuleRoomNotifDefinition = Rule{
 		RuleID:  MRuleRoomNotif,
 		Default: true,
@@ -122,7 +139,6 @@ var (
 			{
 				Kind:  SetTweakAction,
 				Tweak: HighlightTweak,
-				Value: true,
 			},
 		},
 	}
@@ -172,11 +188,6 @@ func mRuleInviteForMeDefinition(userID string) *Rule {
 				Tweak: SoundTweak,
 				Value: "default",
 			},
-			{
-				Kind:  SetTweakAction,
-				Tweak: HighlightTweak,
-				Value: false,
-			},
 		},
 	}
 }
diff --git a/internal/pushrules/default_pushrules_test.go b/internal/pushrules/default_pushrules_test.go
new file mode 100644
index 000000000..362f90c08
--- /dev/null
+++ b/internal/pushrules/default_pushrules_test.go
@@ -0,0 +1,105 @@
+package pushrules
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// Tests that the pre-defined rules as of
+// https://spec.matrix.org/v1.4/client-server-api/#predefined-rules
+// are correct
+func TestDefaultRules(t *testing.T) {
+	type testCase struct {
+		name       string
+		inputBytes []byte
+		want       Rule
+	}
+
+	testCases := []testCase{
+		// Default override rules
+		{
+			name:       ".m.rule.master",
+			inputBytes: []byte(`{"rule_id":".m.rule.master","default":true,"enabled":false,"conditions":[],"actions":["dont_notify"]}`),
+			want:       mRuleMasterDefinition,
+		},
+		{
+			name:       ".m.rule.suppress_notices",
+			inputBytes: []byte(`{"rule_id":".m.rule.suppress_notices","default":true,"enabled":true,"conditions":[{"kind":"event_match","key":"content.msgtype","pattern":"m.notice"}],"actions":["dont_notify"]}`),
+			want:       mRuleSuppressNoticesDefinition,
+		},
+		{
+			name:       ".m.rule.invite_for_me",
+			inputBytes: []byte(`{"rule_id":".m.rule.invite_for_me","default":true,"enabled":true,"conditions":[{"key":"type","kind":"event_match","pattern":"m.room.member"},{"key":"content.membership","kind":"event_match","pattern":"invite"},{"key":"state_key","kind":"event_match","pattern":"@test:localhost"}],"actions":["notify",{"set_tweak":"sound","value":"default"}]}`),
+			want:       *mRuleInviteForMeDefinition("@test:localhost"),
+		},
+		{
+			name:       ".m.rule.member_event",
+			inputBytes: []byte(`{"rule_id":".m.rule.member_event","default":true,"enabled":true,"conditions":[{"key":"type","kind":"event_match","pattern":"m.room.member"}],"actions":["dont_notify"]}`),
+			want:       mRuleMemberEventDefinition,
+		},
+		{
+			name:       ".m.rule.contains_display_name",
+			inputBytes: []byte(`{"rule_id":".m.rule.contains_display_name","default":true,"enabled":true,"conditions":[{"kind":"contains_display_name"}],"actions":["notify",{"set_tweak":"sound","value":"default"},{"set_tweak":"highlight"}]}`),
+			want:       mRuleContainsDisplayNameDefinition,
+		},
+		{
+			name:       ".m.rule.tombstone",
+			inputBytes: []byte(`{"rule_id":".m.rule.tombstone","default":true,"enabled":true,"conditions":[{"kind":"event_match","key":"type","pattern":"m.room.tombstone"},{"kind":"event_match","key":"state_key","pattern":""}],"actions":["notify",{"set_tweak":"highlight"}]}`),
+			want:       mRuleTombstoneDefinition,
+		},
+		{
+			name:       ".m.rule.room.server_acl",
+			inputBytes: []byte(`{"rule_id":".m.rule.room.server_acl","default":true,"enabled":true,"conditions":[{"kind":"event_match","key":"type","pattern":"m.room.server_acl"},{"kind":"event_match","key":"state_key","pattern":""}],"actions":[]}`),
+			want:       mRuleACLsDefinition,
+		},
+		{
+			name:       ".m.rule.roomnotif",
+			inputBytes: []byte(`{"rule_id":".m.rule.roomnotif","default":true,"enabled":true,"conditions":[{"kind":"event_match","key":"content.body","pattern":"@room"},{"kind":"sender_notification_permission","key":"room"}],"actions":["notify",{"set_tweak":"highlight"}]}`),
+			want:       mRuleRoomNotifDefinition,
+		},
+		// Default content rules
+		{
+			name:       ".m.rule.contains_user_name",
+			inputBytes: []byte(`{"rule_id":".m.rule.contains_user_name","default":true,"enabled":true,"pattern":"myLocalUser","actions":["notify",{"set_tweak":"sound","value":"default"},{"set_tweak":"highlight"}]}`),
+			want:       *mRuleContainsUserNameDefinition("myLocalUser"),
+		},
+		// default underride rules
+		{
+			name:       ".m.rule.call",
+			inputBytes: []byte(`{"rule_id":".m.rule.call","default":true,"enabled":true,"conditions":[{"key":"type","kind":"event_match","pattern":"m.call.invite"}],"actions":["notify",{"set_tweak":"sound","value":"ring"}]}`),
+			want:       mRuleCallDefinition,
+		},
+		{
+			name:       ".m.rule.encrypted_room_one_to_one",
+			inputBytes: []byte(`{"rule_id":".m.rule.encrypted_room_one_to_one","default":true,"enabled":true,"conditions":[{"kind":"room_member_count","is":"2"},{"kind":"event_match","key":"type","pattern":"m.room.encrypted"}],"actions":["notify",{"set_tweak":"sound","value":"default"}]}`),
+			want:       mRuleEncryptedRoomOneToOneDefinition,
+		},
+		{
+			name:       ".m.rule.room_one_to_one",
+			inputBytes: []byte(`{"rule_id":".m.rule.room_one_to_one","default":true,"enabled":true,"conditions":[{"kind":"room_member_count","is":"2"},{"kind":"event_match","key":"type","pattern":"m.room.message"}],"actions":["notify",{"set_tweak":"sound","value":"default"}]}`),
+			want:       mRuleRoomOneToOneDefinition,
+		},
+		{
+			name:       ".m.rule.message",
+			inputBytes: []byte(`{"rule_id":".m.rule.message","default":true,"enabled":true,"conditions":[{"kind":"event_match","key":"type","pattern":"m.room.message"}],"actions":["notify"]}`),
+			want:       mRuleMessageDefinition,
+		},
+		{
+			name:       ".m.rule.encrypted",
+			inputBytes: []byte(`{"rule_id":".m.rule.encrypted","default":true,"enabled":true,"conditions":[{"kind":"event_match","key":"type","pattern":"m.room.encrypted"}],"actions":["notify"]}`),
+			want:       mRuleEncryptedDefinition,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			r := Rule{}
+			err := json.Unmarshal(tc.inputBytes, &r)
+			assert.NoError(t, err)
+			assert.Equal(t, tc.want, r)
+		})
+
+	}
+}
diff --git a/internal/pushrules/default_underride.go b/internal/pushrules/default_underride.go
index 8da449a19..e63634527 100644
--- a/internal/pushrules/default_underride.go
+++ b/internal/pushrules/default_underride.go
@@ -35,11 +35,6 @@ var (
 				Tweak: SoundTweak,
 				Value: "ring",
 			},
-			{
-				Kind:  SetTweakAction,
-				Tweak: HighlightTweak,
-				Value: false,
-			},
 		},
 	}
 	mRuleEncryptedRoomOneToOneDefinition = Rule{
@@ -64,11 +59,6 @@ var (
 				Tweak: SoundTweak,
 				Value: "default",
 			},
-			{
-				Kind:  SetTweakAction,
-				Tweak: HighlightTweak,
-				Value: false,
-			},
 		},
 	}
 	mRuleRoomOneToOneDefinition = Rule{
@@ -90,13 +80,8 @@ var (
 			{Kind: NotifyAction},
 			{
 				Kind:  SetTweakAction,
-				Tweak: HighlightTweak,
-				Value: false,
-			},
-			{
-				Kind:  SetTweakAction,
-				Tweak: HighlightTweak,
-				Value: false,
+				Tweak: SoundTweak,
+				Value: "default",
 			},
 		},
 	}
@@ -113,11 +98,6 @@ var (
 		},
 		Actions: []*Action{
 			{Kind: NotifyAction},
-			{
-				Kind:  SetTweakAction,
-				Tweak: HighlightTweak,
-				Value: false,
-			},
 		},
 	}
 	mRuleEncryptedDefinition = Rule{
@@ -133,11 +113,6 @@ var (
 		},
 		Actions: []*Action{
 			{Kind: NotifyAction},
-			{
-				Kind:  SetTweakAction,
-				Tweak: HighlightTweak,
-				Value: false,
-			},
 		},
 	}
 )
diff --git a/internal/pushrules/pushrules.go b/internal/pushrules/pushrules.go
index bbed1f95f..3c778bf68 100644
--- a/internal/pushrules/pushrules.go
+++ b/internal/pushrules/pushrules.go
@@ -42,7 +42,7 @@ type Rule struct {
 
 	// Conditions provide the rule's conditions for OverrideKind and
 	// UnderrideKind. Not allowed for other kinds.
-	Conditions []*Condition `json:"conditions"`
+	Conditions []*Condition `json:"conditions,omitempty"`
 
 	// Pattern is the body pattern to match for ContentKind. Required
 	// for that kind. The interpretation is the same as that of