diff --git a/internal/plugin/grpc_provider.go b/internal/plugin/grpc_provider.go
index b3b15a0b53..62ec373b4b 100644
--- a/internal/plugin/grpc_provider.go
+++ b/internal/plugin/grpc_provider.go
@@ -767,6 +767,21 @@ func (p *GRPCProvider) ReadDataSource(r providers.ReadDataSourceRequest) (resp p
 	return resp
 }
 
+func (p *GRPCProvider) OpenEphemeral(r providers.OpenEphemeralRequest) (resp providers.OpenEphemeralResponse) {
+	logger.Trace("GRPCProvider: OpenEphemeral")
+	panic("ephemeral resources not supported")
+}
+
+func (p *GRPCProvider) RenewEphemeral(r providers.RenewEphemeralRequest) (resp providers.RenewEphemeralResponse) {
+	logger.Trace("GRPCProvider: RenewEphemeral")
+	panic("ephemeral resources not supported")
+}
+
+func (p *GRPCProvider) CloseEphemeral(r providers.CloseEphemeralRequest) (resp providers.CloseEphemeralResponse) {
+	logger.Trace("GRPCProvider: CloseEphemeral")
+	panic("ephemeral resources not supported")
+}
+
 func (p *GRPCProvider) CallFunction(r providers.CallFunctionRequest) (resp providers.CallFunctionResponse) {
 	logger.Trace("GRPCProvider", "CallFunction", r.FunctionName)
 
diff --git a/internal/plugin6/grpc_provider.go b/internal/plugin6/grpc_provider.go
index 52b620f8b4..a6a9cfe78a 100644
--- a/internal/plugin6/grpc_provider.go
+++ b/internal/plugin6/grpc_provider.go
@@ -756,6 +756,21 @@ func (p *GRPCProvider) ReadDataSource(r providers.ReadDataSourceRequest) (resp p
 	return resp
 }
 
+func (p *GRPCProvider) OpenEphemeral(r providers.OpenEphemeralRequest) (resp providers.OpenEphemeralResponse) {
+	logger.Trace("GRPCProvide.v6: OpenEphemeral")
+	panic("ephemeral resources not supported")
+}
+
+func (p *GRPCProvider) RenewEphemeral(r providers.RenewEphemeralRequest) (resp providers.RenewEphemeralResponse) {
+	logger.Trace("GRPCProvider.v6: RenewEphemeral")
+	panic("ephemeral resources not supported")
+}
+
+func (p *GRPCProvider) CloseEphemeral(r providers.CloseEphemeralRequest) (resp providers.CloseEphemeralResponse) {
+	logger.Trace("GRPCProvider.v6: CloseEphemeral")
+	panic("ephemeral resources not supported")
+}
+
 func (p *GRPCProvider) CallFunction(r providers.CallFunctionRequest) (resp providers.CallFunctionResponse) {
 	logger.Trace("GRPCProvider.v6", "CallFunction", r.FunctionName)
 
diff --git a/internal/provider-simple-v6/provider.go b/internal/provider-simple-v6/provider.go
index 833468f282..a7b23bfb37 100644
--- a/internal/provider-simple-v6/provider.go
+++ b/internal/provider-simple-v6/provider.go
@@ -171,6 +171,24 @@ func (s simple) ReadDataSource(req providers.ReadDataSourceRequest) (resp provid
 	return resp
 }
 
+func (s simple) OpenEphemeral(providers.OpenEphemeralRequest) providers.OpenEphemeralResponse {
+	// Our schema doesn't include any ephemeral resource types, so it should be
+	// impossible to get in here.
+	panic("OpenEphemeral on provider that didn't declare any ephemeral resource types")
+}
+
+func (s simple) RenewEphemeral(providers.RenewEphemeralRequest) providers.RenewEphemeralResponse {
+	// Our schema doesn't include any ephemeral resource types, so it should be
+	// impossible to get in here.
+	panic("RenewEphemeral on provider that didn't declare any ephemeral resource types")
+}
+
+func (s simple) CloseEphemeral(providers.CloseEphemeralRequest) providers.CloseEphemeralResponse {
+	// Our schema doesn't include any ephemeral resource types, so it should be
+	// impossible to get in here.
+	panic("CloseEphemeral on provider that didn't declare any ephemeral resource types")
+}
+
 func (s simple) CallFunction(req providers.CallFunctionRequest) (resp providers.CallFunctionResponse) {
 	if req.FunctionName != "noop" {
 		resp.Err = fmt.Errorf("CallFunction for undefined function %q", req.FunctionName)
diff --git a/internal/provider-simple/provider.go b/internal/provider-simple/provider.go
index ebd14ab54a..a5c44ee05d 100644
--- a/internal/provider-simple/provider.go
+++ b/internal/provider-simple/provider.go
@@ -144,6 +144,24 @@ func (s simple) ReadDataSource(req providers.ReadDataSourceRequest) (resp provid
 	return resp
 }
 
+func (s simple) OpenEphemeral(providers.OpenEphemeralRequest) providers.OpenEphemeralResponse {
+	// Our schema doesn't include any ephemeral resource types, so it should be
+	// impossible to get in here.
+	panic("OpenEphemeral on provider that didn't declare any ephemeral resource types")
+}
+
+func (s simple) RenewEphemeral(providers.RenewEphemeralRequest) providers.RenewEphemeralResponse {
+	// Our schema doesn't include any ephemeral resource types, so it should be
+	// impossible to get in here.
+	panic("RenewEphemeral on provider that didn't declare any ephemeral resource types")
+}
+
+func (s simple) CloseEphemeral(providers.CloseEphemeralRequest) providers.CloseEphemeralResponse {
+	// Our schema doesn't include any ephemeral resource types, so it should be
+	// impossible to get in here.
+	panic("CloseEphemeral on provider that didn't declare any ephemeral resource types")
+}
+
 func (s simple) CallFunction(req providers.CallFunctionRequest) (resp providers.CallFunctionResponse) {
 	// Our schema doesn't include any functions, so it should be impossible
 	// to get in here.